Charleston County, South Carolina — County Report Card

SC

#20 in South Carolina
43.4
County Score
Property Tax 93Income & Jobs 88Health 74.9

County Report Card

About Charleston County, South Carolina

High-End Living with Significant Natural Risk

Charleston County posts a composite score of 43.4, falling below the national median of 50.0. While its economic and health indicators are elite, severe environmental risks drag down its national standing. The county operates as a high-reward but high-exposure coastal market.

An Economic Leader in South Carolina

Despite its national ranking, Charleston outperforms the state average score of 42.8. It serves as a primary economic engine for South Carolina, fueled by high household incomes and robust health systems. It remains one of the most desirable, yet complex, counties in the Palmetto State.

Elite Incomes and Favorable Tax Policy

Charleston excels with an Income Score of 88.0 and a median household income of $84,320. The Tax Score of 93.0 is exceptionally high, thanks to a lean effective tax rate of 0.413%. Additionally, a Health Score of 74.9 indicates superior access to medical care and wellness outcomes.

Facing Steep Costs and Environmental Hazards

The county faces a critical Risk Score of 1.4, highlighting extreme vulnerability to coastal hazards. Affordability is also a major hurdle, with a Cost Score of 7.0 and median home values reaching $450,800. These challenges create a high barrier to entry for new residents and require significant investment in resilience.

The Choice for Wealthier Coastal Enthusiasts

Charleston County is perfect for high-earning professionals and retirees who prioritize lifestyle and healthcare over cost. It rewards those who can afford premium housing and are willing to manage the risks of coastal living. This is a premier destination for residents seeking an active, high-income environment.

Score breakdown

Tax93Cost7Safety13.7Health74.9Schools42.6Income88Risk1.4Water63.2Weather45.9
🏛93
Property Tax
Effective property tax rate vs national benchmarks
TaxByCounty
🏠7
Cost of Living
Median rent, home values, and housing affordability
CostByCounty
💼88
Income & Jobs
Median household income and per capita earnings
IncomeByCounty
🛡13.7
Safety
Violent and property crime rates per 100K residents
CrimeByCounty
74.9
Health
Life expectancy, uninsured rates, and health access
HealthByCounty
🎓42.6
Schools
Graduation rates, per-pupil spending, and attainment
SchoolsByCounty
1.4
Disaster Risk
FEMA National Risk Index — flood, fire, tornado, and more
RiskByCounty
💧63.2
Water Quality
EPA drinking water health violations and safety grades
WaterByCounty
🌤45.9
Weather & Climate
Average temperatures, precipitation, and extreme weather events
WeatherByCounty
🪨
Soil Quality
Soil composition, pH, drainage, and organic matter content
SoilByCounty
🌱33.8
Lawn Care
Lawn difficulty score based on climate, soil, and grass suitability
LawnByCounty
🛒
Farmers Markets
Local market density, SNAP/EBT acceptance, and product variety
MarketsByCounty
Sponsored

Compare mortgage rates in Charleston County

Whether buying or refinancing in Charleston County, compare rates from top lenders to find the best deal.

See Today's Rates

Deep Dives

Charleston County across the ByCounty Network

Detailed analysis from 10 data dimensions — each powered by a dedicated ByCounty site.

Property Tax in Charleston County

via TaxByCounty

Charleston taxes below national average

Charleston's effective tax rate of 0.413% ranks among the lowest in the nation, falling well short of the U.S. median of 0.52%. Despite higher home values here, the county's median tax bill of $1,864 remains roughly one-third less than the national median of $2,690.

Charleston ranks second-lowest in state

With a 0.413% rate, Charleston is South Carolina's second-lowest taxed county, just behind Calhoun at 0.423%. Residents enjoy $75 less annual tax than the state median of $939, despite owning homes worth significantly more than their neighbors.

Best tax rate in the coastal region

Charleston's 0.413% rate sharply undercuts Colleton County's 0.605% and Clarendon County's 0.576%. Among growing coastal and Lowcountry counties, Charleston offers the clearest tax advantage to homeowners.

Higher values, moderate tax burden

Charleston's median home value of $450,800—the highest among these eight counties—results in a median property tax of $1,864 annually. With mortgage escrow, that bill climbs to roughly $1,968 per year.

Charleston homeowners should verify assessments

Even in low-tax Charleston, many properties are overassessed relative to comparable sales. Requesting a reassessment review from the county assessor costs nothing and could yield significant annual savings.

Cost of Living in Charleston County

via CostByCounty

Charleston's housing costs soar above U.S. average

Charleston renters spend 21.4% of income on housing—slightly above the national 20.1% threshold—with median rents at $1,506 monthly. Yet Charleston's median household income of $84,320 exceeds the national average of $74,755, suggesting higher-earning residents absorb these premium costs.

South Carolina's priciest county by far

Charleston's $1,506 median rent towers 59% above South Carolina's $945 average, reflecting its status as the state's economic and tourism engine. With a median home value of $450,800—triple the typical South Carolina property—Charleston ranks as the state's most expensive housing market.

Charleston dwarfs surrounding county rents

Renters in Charleston pay $1,506 monthly versus $813 in neighboring Cherokee County—an 85% difference that reflects Charleston's coastal desirability. Moving inland or north cuts housing costs nearly in half while remaining within South Carolina.

Owners and renters both stretch budgets

Charleston renters spend $1,506 monthly on housing while owners pay $1,568—remarkably balanced across tenure types—out of a $84,320 median income. For renters, this represents 21.4% of income; for owners, the burden reaches 22.3%, both above comfortable thresholds.

Charleston offers opportunity at a premium price

If you're earning above the county's $84,320 median and value coastal amenities and economic vitality, Charleston's market rewards your income. Consider comparing to inland alternatives like Calhoun or Chester for similar quality of life at significantly lower cost.

Income & Jobs in Charleston County

via IncomeByCounty

Charleston's income leads the Southeast

Charleston County's median household income of $84,320 exceeds the national median of $74,755 by more than $9,500. This strong performance reflects the county's role as South Carolina's economic engine, home to tourism, shipping, and financial services.

Clearly the state's income leader

Charleston's $84,320 median household income outpaces South Carolina's state average of $57,006 by $27,314—making it the clear statewide leader among 46 counties. The county's per capita income of $54,769 is 69% higher than the state average of $32,382.

Dominant income over surrounding counties

Charleston's $84,320 household income towers over adjacent counties like Berkeley ($N/A), Dorchester ($N/A), and Calhoun ($56,690). The regional income disparity reflects Charleston's concentration of higher-wage employment in tourism, healthcare, and professional services.

High incomes offset rising home values

Charleston's rent-to-income ratio of 21.4% remains sustainable despite a median home value of $450,800—reflecting the county's ability to absorb rising real estate costs. Households here earn enough to weather the competitive housing market, though affordability remains a challenge for lower-income residents.

Leverage Charleston's wealth-building opportunities

Above-average incomes position Charleston residents to invest aggressively in retirement accounts, real estate, and diversified portfolios. Work with a wealth advisor to optimize tax strategy and capitalize on the county's strong job market to accelerate long-term wealth accumulation.

Safety in Charleston County

via CrimeByCounty

Charleston's Safety Metrics vs the Nation

Charleston County maintains a safety score of 96.1, which is notably high despite a total crime rate of 2472.7 per 100,000. This total crime rate sits slightly above the national average of 2,385.5.

A Top Safety Performer in South Carolina

With a safety score of 96.1, Charleston County outperforms the state average of 95.4. It stands as one of the more secure coastal regions in South Carolina.

Lower Crime Rates than Surrounding Areas

Charleston's crime rate of 2472.7 is significantly lower than neighboring Colleton County, which sees 3493.1 crimes per 100,000. It offers a much safer profile than more rural neighbors like Clarendon.

Understanding Charleston's Crime Mix

Violent crime stands at 376.0, very close to the national benchmark of 369.8. Property crime accounts for 2096.7 incidents per 100,000, representing the bulk of local safety concerns.

Securing Your Charleston Home

Investing in smart home technology can help mitigate the risk of property-related crimes. Motion-activated lights and window sensors are practical investments for maintaining a safe household.

Health in Charleston County

via HealthByCounty

Healthiest outcomes in the state

Charleston County residents enjoy a life expectancy of 77.9 years, matching the U.S. national average and exceeding South Carolina's state average by 5.4 years. Only 12% of residents report poor or fair health, well below the nation's 15% rate.

Charleston leads South Carolina

Charleston County ranks #1 in South Carolina for life expectancy at 77.9 years, significantly outpacing the state average of 72.5 years. The county's robust healthcare infrastructure and economic resources create measurable advantages in health outcomes.

Clear leader among peers

Charleston's 77.9-year life expectancy towers over adjacent counties like Colleton (68.6 years) and Dorchester (not listed), reflecting both wealth and healthcare density. With 124 primary care providers per 100,000 residents—nearly six times Calhoun's rate—Charleston offers unmatched access to routine medical care.

Abundant providers, high coverage

Charleston's 9.7% uninsured rate is among the state's lowest, and residents benefit from exceptional provider density: 124 primary care and 467 mental health providers per 100,000. This infrastructure allows residents to access preventive care, screenings, and mental health support with relative ease.

Keep your coverage strong

Charleston's low uninsured rate reflects good coverage, but reviewing your health plan annually ensures it still meets your needs. Check healthcare.gov or your employer's options during open enrollment to confirm you have the right coverage.

Schools in Charleston County

via SchoolsByCounty

Extensive School Infrastructure in Charleston

Charleston County manages a massive network of 92 public schools, including 55 elementary, 12 middle, and 23 high schools. This robust system supports a total enrollment of 52,982 students.

Performance Matches National Graduation Benchmarks

The county maintains an 87.0% graduation rate, placing it well ahead of the South Carolina average of 84.2%. Per-pupil spending of $7,500 remains above the state average, though it trails the national average of $13,000.

Charleston 01 and a Thriving Charter Scene

Charleston 01 is the dominant district, serving 49,929 students across 82 schools. The county features a diverse educational landscape with 19 charter schools, representing over 20% of the total school count.

City Classrooms and Coastal Suburbs

The landscape is primarily urban with 62 schools in city locales and 17 in suburbs. Wando High is the largest school in the county with 2,596 students, while James Island Charter High serves nearly 1,600 students.

Find a Home in Top-Tier Districts

Prospective buyers can choose between vibrant city neighborhoods and quiet suburbs with high-performing schools. Charleston’s diverse school types and strong grad rates make it a premier destination for families.

Disaster Risk in Charleston County

via RiskByCounty

Charleston faces elevated national disaster risk

Charleston County's composite risk score of 98.63 places it in the Relatively High category and substantially above the national average, reflecting its exposure as South Carolina's most disaster-vulnerable county. The county scores critically high across nearly every hazard category, particularly hurricane (99.62), flood (99.80), and earthquake (98.79), making it one of America's highest-risk counties. This profile demands comprehensive disaster preparedness and appropriate insurance coverage.

Charleston County ranks highest-risk in state

With a composite score of 98.63 compared to South Carolina's 70.75 state average, Charleston County carries by far the state's greatest natural disaster burden. The county's coastal position exposes it to the full spectrum of hazards—hurricane storm surge, tidal flooding, seismic activity, and severe weather—at levels unmatched elsewhere in South Carolina. This elevated risk profile directly reflects Charleston's geography and requires specialized attention to disaster planning.

Charleston's risks far exceed nearby counties

Charleston County's 98.63 score dramatically exceeds neighboring Colleton County (85.46) and Clarendon County (76.49), underscoring the coastal concentration of disaster threats. Charleston's position on the Atlantic coast subjects it to hurricane impacts, coastal flooding, and earthquake exposure that inland neighbors largely avoid. This geographic disadvantage makes Charleston's risk profile fundamentally different from surrounding counties.

Hurricanes and flooding pose critical threats

Charleston County faces exceptionally elevated risks from hurricane (99.62) and flood (99.80) hazards, with both scores among the nation's highest—reflecting the county's coastal position and vulnerability to Atlantic storm surge. Earthquake risk (98.79) and wildfire risk (93.86) also rank critically high, with tornado risk (71.02) adding additional severe weather exposure. These combined threats mean nearly every hazard type poses significant risk to residents and property.

Specialized coverage essential for Charleston homeowners

Charleston homeowners must carry comprehensive flood insurance through the National Flood Insurance Program or private carriers, as standard homeowners policies exclude flood damage and coastal areas face substantial inundation risk. Wind and hurricane damage coverage is equally critical—ensure your policy includes adequate protection against storm damage with appropriate deductibles. Consider earthquake insurance given the high seismic exposure, and review your coverage annually as flooding patterns shift and storm threats evolve.

Weather & Climate in Charleston County

via WeatherByCounty

A Coastal Hub Warmer Than Most

Charleston County maintains a warm annual average temperature of 66.1°F, far exceeding the national median. This subtropical climate remains consistently mild compared to the broader United States. The county experiences a humid environment driven by its coastal location.

Well Above the South Carolina Average

The county's average temperature sits more than three degrees higher than the South Carolina state average of 62.8°F. This makes Charleston one of the warmest regions in the state. Its coastal proximity prevents the deeper temperature drops seen in the Upstate.

Warmer and Wetter Than Colleton

Charleston averages 66.1°F, outpacing neighboring Colleton County's 64.8°F. Rainfall here reaches 51.2 inches annually, exceeding the state average of 48.9 inches. Residents enjoy slightly more tropical conditions than their inland peers.

Endless Summers and Negligible Snow

Summer temperatures peak at an average of 81.9°F in July, while extreme heat days occur 49 times per year. Winter is mild with a 50.9°F average and a rare 0.3 inches of annual snowfall. The transition between seasons is often subtle and brief.

Prioritize Humidity Control and Light Gear

High annual precipitation of 51.2 inches requires robust drainage and moisture control for homes. HVAC systems should be optimized for cooling rather than heating to handle the 49 extreme heat days. Lightweight, breathable clothing is the standard for most of the year.

Soil Quality in Charleston County

via SoilByCounty

Coastal Soil Identity

Specific pH and taxonomic data for Charleston County is currently limited in the primary dataset. However, coastal South Carolina typically features sandy, acidic profiles shaped by proximity to the Atlantic. Local soil testing is highly recommended to determine the exact acidity of your specific plot.

Varied Coastal Textures

While specific percentages for sand, silt, and clay are unavailable, coastal counties usually experience high sand concentrations near the shore and heavier silts in marshy areas. This variance affects how quickly water moves through the ground. Landowners should observe their property after heavy rains to gauge drainage performance.

Natural Coastal Fertility

Detailed organic matter and water capacity data are currently unavailable for this area. Despite this, the region’s rich history of agriculture suggests pockets of high productivity. Integrating compost and local mulch can help bridge any data gaps and improve your soil's natural health.

Navigating Coastal Hydrology

Hydraulic data is limited here, but coastal geography makes drainage management a top priority for any project. Whether you are building or farming, monitoring water tables is crucial in this low-lying region. Consult local soil surveys for site-specific details on drainage classes.

Subtropical Success in Zone 9a

Charleston sits in the warm Hardiness Zone 9a, allowing for almost year-round gardening opportunities. Citrus trees and salt-tolerant perennials flourish in this mild, humid climate. Start your coastal garden journey now by selecting plants that love the South Carolina sun.

Lawn Care in Charleston County

via LawnByCounty

Coastal Gardening in Zone 9a

Charleston County presents a unique challenge with a lawn difficulty score of 33.8, placing it slightly below the state average of 35.1. As part of USDA Hardiness Zone 9a, the county experiences very mild winters that extend the growing season but increase the risk of year-round pest activity.

Abundant Rain and Long Seasons

With 51.2 inches of annual precipitation, Charleston receives more rainfall than the state average of 48.9 inches. Despite the 49 extreme heat days, the massive 6,218 Growing Degree Days provide a powerful engine for turf growth. This high energy means you will be mowing more frequently than your inland neighbors.

Understanding the Coastal Foundation

Local soil data is limited for this coastal region, but typical Lowcountry landscapes require careful management of drainage and salt spray. Well-maintained lawns in this area often benefit from adding organic matter to improve the structure of sandy coastal deposits. Regular testing is recommended to ensure your specific site meets the ideal pH of 6.0 to 7.0.

Battling Severe Drought Risks

The past year was tough for local lawns, with 24 weeks spent in drought and 100% of the county currently facing severe drought (D2+). These extreme conditions require strict adherence to water conservation and the use of drought-hardy species. Avoid heavy fertilization during these periods to prevent further stressing your grass.

Targeting a Long Growing Window

St. Augustine and Centipedegrass thrive in Charleston's humid, coastal environment. With the last spring frost typically occurring by March 7 and the first fall frost not until December 1, you have a massive window for establishment. Get growing now to take advantage of one of the longest seasons in the state.

Frequently Asked Questions

What is Charleston County's county score?
Charleston County, South Carolina has a composite county score of 43.4 out of 100 on CountyScore. This score is calculated from a weighted average of available data dimensions including property tax, cost of living, income, safety, health, and schools.
How does Charleston County rank among counties in South Carolina?
Charleston County ranks #20 among all counties in South Carolina on CountyScore's composite ranking. Rankings are based on available data dimensions and updated as new data is added.
What are property taxes like in Charleston County, South Carolina?
The median annual property tax in Charleston County is $1,864, with an effective tax rate of 0.41%. This earns Charleston County a tax score of 93/100 on CountyScore (higher = lower taxes).
What is the median household income in Charleston County?
The median household income in Charleston County, South Carolina is $84,320 per year according to U.S. Census Bureau data. Charleston County earns an income score of 88/100 on CountyScore.
Is Charleston County, South Carolina a good place to live?
Charleston County scores 43.4/100 on CountyScore's overall county ranking, ranking #20 in South Carolina. The best way to evaluate Charleston County is to compare individual dimension scores — property tax, cost of living, income, safety, health, and schools — based on your personal priorities. Use CountyScore to compare Charleston County with other counties side by side.