countyscore
60.7
County Score
Income & Jobs 99.4Health 95.1Property Tax 92.1

County Report Card

About Williamson County, Tennessee

A National Leader in Livability

Williamson County earns a high 60.7 composite score, placing it well above the national median of 50.0. It consistently ranks as one of the most prosperous counties in the entire United States.

Top Tier in Tennessee

The county's score of 60.7 is significantly higher than the 51.3 state average. It sets the benchmark for educational outcomes and health standards across the state.

Premier Wealth and Wellness

The county dominates with a 99.4 income score and a 95.1 health score. A median household income of $131,202 and an elite tax score of 92.1 create a highly affluent environment.

Extreme Housing Costs

The cost score of 2.3 is among the lowest in the country, driven by median home values of $673,700. Additionally, the risk score of 14.9 suggests vulnerability to specific environmental or economic factors.

The Gold Standard for Affluent Families

This county is tailored for high-earning professionals who demand the best schools and healthcare. Residents must be prepared for some of the highest real estate prices in the Southeast.

Score breakdown

Tax92.1Cost2.3Safety64.3Health95.1Schools66.3Income99.4Risk14.9Water62Weather64.3
🏛92.1
Property Tax
Effective property tax rate vs national benchmarks
TaxByCounty →
🏠2.3
Cost of Living
Median rent, home values, and housing affordability
CostByCounty →
💼99.4
Income & Jobs
Median household income and per capita earnings
IncomeByCounty →
🛡64.3
Safety
Violent and property crime rates per 100K residents
CrimeByCounty →
❤95.1
Health
Life expectancy, uninsured rates, and health access
HealthByCounty →
🎓66.3
Schools
Graduation rates, per-pupil spending, and attainment
SchoolsByCounty →
⚡14.9
Disaster Risk
FEMA National Risk Index — flood, fire, tornado, and more
RiskByCounty →
💧62
Water Quality
EPA drinking water health violations and safety grades
WaterByCounty →
🌤64.3
Weather & Climate
Average temperatures, precipitation, and extreme weather events
WeatherByCounty →
🪨39
Soil Quality
Soil composition, pH, drainage, and organic matter content
SoilByCounty →
🌱48.5
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 →
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Nearby counties

Davidson County
Tennessee
31.6
Maury County
Tennessee
40.7
Cheatham County
Tennessee
46.5
Dickson County
Tennessee
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Hickman County
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Rutherford County
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Marshall County
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Bedford County
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Deep Dives

Williamson County across the ByCounty Network

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

Property Tax in Williamson County

via TaxByCounty

Williamson taxes below national median

Despite boasting the state's highest median home value of $673,700, Williamson County's effective tax rate of 0.429% keeps median taxes at $2,891—still below the national median of $2,690. This low rate represents a significant tax advantage for affluent homeowners.

Lowest rate in Tennessee

Williamson County's effective rate of 0.429% is the lowest across all Tennessee counties and well below the state average of 0.511%. Its median tax of $2,891 exceeds the state average of $1,016 only because homes here are substantially more valuable.

Low rate despite premium prices

Williamson County's 0.429% rate edges below White County (0.425%) and ties Warren County's territory, yet homes here average $673,700—far exceeding regional neighbors. Williamson offers one of Tennessee's most favorable tax rates on high-value properties.

A $673,700 home costs $2,891

The typical Williamson County homeowner with a median-valued property of $673,700 pays approximately $2,891 in annual property taxes. Though this sounds high in absolute terms, it's just barely above the national median tax despite owning a home nearly 2.4 times the national average value.

High-value homes need review too

Even luxury properties in Williamson County can be overassessed, especially during market downturns or if recent appraisals were inflated. Schedule a reassessment review with the county assessor—it costs nothing and could save thousands annually on premium properties.

Full property tax analysis on TaxByCounty

Cost of Living in Williamson County

via CostByCounty

Williamson County: Prosperity Comes at a Price

Williamson County renters spend 17.3% of income on housing—slightly above Tennessee's 17.6% state average despite paying $1,895 monthly, the highest in this cluster. The county's exceptional median household income of $131,202 makes these premium rents manageable, but only for affluent households well above regional norms.

High Costs, Supported by High Incomes

Williamson County's 17.3% ratio appears reasonable on paper, but reflects an economy serving households earning nearly double Tennessee's median income. This county operates in a different affordability universe than surrounding rural and small-town communities, driven by Nashville-area prosperity.

Wealth Premium Across Housing Markets

Williamson County's $1,895 rent and $673,700 median home value dwarf every neighbor—Washington ($951/$231,700) and Wilson ($1,370/$397,000) pale by comparison. The county commands a wealth premium reflecting its status as an affluent Nashville suburb with strong regional job markets.

Affluent Living Carries Affluent Costs

Renters pay $1,895 monthly while homeowners carry $2,024 on homes valued near $674,000—figures that would burden typical Tennesseans but represent reasonable proportions of Williamson County's exceptional incomes. The county's 17.3% housing ratio masks absolute costs that exclude most working-class households from this market.

Williamson County: For High Earners Only

Relocating to Williamson County makes sense only if your salary aligns with the $131,202 county median or higher—otherwise housing costs will overwhelm your budget. Consider this county a destination for executives and professionals; working-class households should explore more accessible alternatives in surrounding areas.

Full cost of living analysis on CostByCounty

Income & Jobs in Williamson County

via IncomeByCounty

Williamson dominates regional and national income

Williamson County's median household income of $131,202 towers 75.5% above the national median of $74,755, placing it among America's highest-earning counties. Per capita income of $64,632 more than doubles the national average, reflecting an affluent, educated workforce. Williamson stands apart as an economic powerhouse in the national landscape.

Tennessee's income leader by significant margin

Williamson County's $131,202 household income exceeds Tennessee's state median of $58,994 by $72,208 annually—more than double the state average. Per capita income of $64,632 similarly dwarfs the state's $31,458, indicating concentrated wealth and high earners. Williamson dominates Tennessee's income hierarchy by an unprecedented margin.

Vast income gulf separates Williamson

Williamson County ($131,202) earns more than double Wilson County ($94,048), which itself significantly outpaces Warren ($54,088), Washington ($61,051), and peers. The disparity reflects Williamson's proximity to Nashville and concentration of corporate headquarters, executives, and affluent professionals. No other county in this analysis approaches Williamson's income scale.

Affluence enables aggressive wealth building

Williamson County's rent-to-income ratio of 17.3% remains reasonable despite median home values of $673,700—a testament to exceptionally high earning power. Households have substantial discretionary income after housing costs, enabling investment and wealth accumulation. The county represents a fundamentally different economic reality from peers.

Maximize tax efficiency and diversification

Williamson County's median household income of $131,202 positions residents to aggressively pursue wealth-building strategies including maxed retirement accounts and taxable investments. High earners should work with financial advisors and tax professionals to optimize savings across multiple account types. The county's affluence enables generational wealth transfer and diversified portfolio construction.

Full income & jobs analysis on IncomeByCounty

Safety in Williamson County

via CrimeByCounty

Williamson County is a safety leader

Williamson County earns a high 98.7 safety score, with crime rates far below national levels. Its total crime rate of 831.7 per 100K is significantly lower than the US average of 2,385.5.

One of Tennessee's safest counties

The county's crime rate of 831.7 is less than half of the Tennessee state average of 1785.6. This performance places it well above the state's average safety score of 97.2.

Leading the way in regional safety

Williamson County is safer than neighboring Wilson County, which has a crime rate of 1281.1. Six different reporting agencies cooperate to maintain this high standard of safety.

Minimal violent and property crime

Violent crime occurs at a low rate of 151.9, while property crime is also low at 679.8 per 100K. These numbers represent some of the best safety metrics in the region.

Smart security for a safe community

While crime is low, Williamson residents often use smart home technology to stay connected. Modern security systems help preserve the county's reputation as a secure place to live.

Full safety analysis on CrimeByCounty

Health in Williamson County

via HealthByCounty

Williamson County: Tennessee's health outlier

At 81.5 years, Williamson County residents live 5.1 years longer than the national average of 76.4 years—a striking advantage. With only 11.5% reporting poor or fair health, Williamson is the clear health leader in this group and among the nation's healthiest counties.

Williamson County far exceeds state averages

Williamson's life expectancy of 81.5 years surpasses Tennessee's 72.4-year average by 9.1 years, making it a state health champion. The 11.5% poor/fair health rate—less than half the state's typical burden—confirms Williamson's exceptional wellness environment.

Williamson's healthcare infrastructure unmatched

With 138 primary care providers and 273 mental health providers per 100,000 residents, Williamson has robust healthcare access that rivals major urban centers. This deep provider network ensures residents can access preventive, specialty, and mental health care without delay.

Low uninsurance reflects Williamson's affluence

Only 5.7% of Williamson residents lack health insurance—the lowest rate in this group and well below Tennessee's 11.9% average. With strong coverage and abundant providers, Williamson residents enjoy unobstructed access to comprehensive care.

Williamson residents: maintain your advantage

Even at 5.7% uninsured, Williamson's uninsured population should secure coverage to maintain this county's health success. Visit healthcare.gov to ensure continuous protection and keep benefiting from Williamson's excellent healthcare ecosystem.

Full health analysis on HealthByCounty

Schools in Williamson County

via SchoolsByCounty

A Large and Growing Educational Hub

Williamson County features a massive network of 58 public schools serving 45,361 students. This extensive system includes 33 elementary schools and 11 high schools, making it one of the largest in the state.

Leading the State in Academic Excellence

With a 96.0% graduation rate and a school score of 56.8, this county significantly outperforms state and national benchmarks. Per-pupil expenditure is $7,061, which is the highest in this group and well above the Tennessee average of $6,215.

Two Distinct and High-Achieving Districts

The Williamson County district is the primary provider with 50 schools and 42,171 students, while Franklin SSD serves another 3,190 students across eight schools. There are currently no charter schools in the county, with all students enrolled in traditional public districts.

A Dynamic Mix of Large-Scale Schools

The county offers a diverse locale mix with 24 rural, 15 city, and 13 suburban schools, averaging a large 782 students per campus. Independence High School is the largest with 2,095 students, reflecting the high-density suburban nature of the region.

Premier Living Near Elite Public Schools

Williamson County is renowned for having some of the best schools in Tennessee, making it a top choice for homebuyers. Start your home search in Brentwood or Franklin to access these high-performing educational districts.

Full schools analysis on SchoolsByCounty

Disaster Risk in Williamson County

via RiskByCounty

Williamson County's notable risk elevation

Williamson County scores 85.15 on the composite risk scale, placing it significantly above Tennessee's state average of 52.45 in the 'Relatively Moderate' risk category. The county faces elevated exposure to multiple hazards, making it one of Tennessee's highest-risk communities.

Among Tennessee's highest-risk counties

Williamson County ranks in the upper tier of Tennessee's 95 counties by composite risk, with its 85.15 score among the state's most concerning. The county's multi-hazard vulnerability across floods, tornadoes, and earthquakes places it well above typical state conditions.

Williamson's exceptional risk profile

Williamson County (85.15) faces substantially higher risk than all nearby counties, including Warren County (63.45), Washington County (61.16), and Wilson County (79.99). The county's 'Relatively Moderate' rating is the highest among its peers, reflecting distinctive hazard exposure in the Nashville metropolitan area.

Williamson's three critical hazards

Tornadoes (88.87), earthquakes (89.41), and floods (88.23) dominate Williamson County's disaster risks, with all three scoring near the national high end. These three hazards collectively represent exceptional vulnerability, requiring comprehensive preparedness planning across multiple threat types.

Comprehensive coverage is critical

Williamson County residents must secure flood insurance, earthquake coverage, and maintain robust homeowners policies, given the county's exceptional multi-hazard exposure. The county's 85.15 composite score demands the highest level of disaster preparedness, including documented emergency plans and reinforced shelter areas.

Full disaster risk analysis on RiskByCounty

Weather & Climate in Williamson County

via WeatherByCounty

Warm and Growing Seasons

Williamson County’s 59.0°F annual average is much higher than the national median. This warmth supports a long growing season and a characteristic Southern climate.

Among Tennessee's Warmer Counties

At 59.0°F, Williamson is nearly a full degree warmer than the state average of 58.1°F. It ranks as one of the warmer urban-adjacent counties in the state.

Warmer Than Surrounding Rural Areas

Williamson is warmer than Trousdale (57.9°F) and White County (58.0°F). Its climate is more consistent with the lower-elevation basins of Middle Tennessee.

Significant Summer Heat Peaks

The county sees 48 days of temperatures reaching 90°F or higher, with a July average of 78.9°F. Winters are mild with only 2.6 inches of annual snowfall.

Focus on Summer Electricity Costs

The 48 days of extreme heat mean air conditioning units will work overtime for nearly two months of the year. Minimal snowfall of 2.6 inches means winter road prep is only occasionally necessary.

Full weather & climate analysis on WeatherByCounty

Soil Quality in Williamson County

via SoilByCounty

Williamson's Dark, Productive Mollisols

Williamson County features Mollisols, the same soil order that powers the American Breadbasket. With a pH of 5.59, these soils are less acidic than the Tennessee average of 5.35, though still below the national 6.5 median. This silty clay loam provides a high-quality foundation for both landscaping and agriculture.

Balanced Clay and Silt Mix

The soil contains 23.9% clay and 54.3% silt, giving it a heavier silty clay loam texture. While the 18.9% sand content is low, the structure provides excellent nutrient holding capacity. This mix creates a sturdy soil that supports vigorous plant growth but can be heavy to till.

Classic Fertility and Moisture Stats

Organic matter sits at 1.78%, which is lower than the state average of 2.44% but typical for developed areas. The available water capacity of 0.165 in/in is just shy of the state norm. These levels suggest that while the soil is naturally productive, it benefits significantly from mulching and organic amendments.

Excellent Drainage with Runoff Risks

The soil is classified as well drained, which is superior to many neighboring counties. However, its hydrologic group D rating warns that infiltration can be slow once the soil is saturated, leading to high runoff. This combination makes it excellent for most plants, provided the terrain allows for water movement.

Prime Gardening in Zone 7b

Williamson's Mollisols are legendary for supporting lush pastures and diverse home gardens. The well-drained nature of the soil makes it ideal for fruit trees and perennial shrubs that dislike 'wet feet.' Take advantage of some of the state's best-drained soil and start your planting project today.

Full soil quality analysis on SoilByCounty

Lawn Care in Williamson County

via LawnByCounty

Average Tennessee Conditions in Williamson

Williamson County’s lawn difficulty score of 48.5 aligns almost perfectly with the Tennessee state average of 48.0. While slightly more difficult than the national average, it remains a manageable environment for Zone 7b turf. Success depends on navigating the high heat and slightly acidic soils.

High Heat and Significant Rainfall

Homeowners must manage 48 days of extreme heat, which is significantly higher than the state average of 36 days. Annual precipitation sits at 55.3 inches, just above the ideal range for most turf species. This combination of heat and water creates a high-growth environment that requires frequent maintenance.

Well-Drained Silty Clay Loams

The soil is a well-drained silty clay loam, offering better water management than many neighboring counties. However, a pH of 5.59 indicates that the ground is still too acidic for optimal lawn health. You should apply lime to bring the pH up toward the 6.0-7.0 range for better nutrient absorption.

Navigating Abnormally Dry Spells

Williamson County has seen 8 weeks of drought in the last year, and 81.5% of the area is currently abnormally dry. Because the soil is well-drained, lawns can dry out quickly during the 48 days of extreme heat. Grouping plants by water need and using smart irrigation can help maintain your lawn's health.

Selecting Resilient Grass Varieties

Zoysia and Bermuda are excellent warm-season choices that can handle the high local heat counts. Plan your seeding or sod work to begin after the April 7 spring frost to maximize the 4,630 growing degree days. Ensure your lawn is well-established before the first fall frost hits on October 31.

Full lawn care analysis on LawnByCounty

Frequently Asked Questions

What is Williamson County's county score?
Williamson County, Tennessee has a composite county score of 60.7 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 Williamson County rank among counties in Tennessee?
Williamson County ranks #12 among all counties in Tennessee 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 Williamson County, Tennessee?
The median annual property tax in Williamson County is $2,891, with an effective tax rate of 0.43%. This earns Williamson County a tax score of 92.1/100 on CountyScore (higher = lower taxes).
What is the median household income in Williamson County?
The median household income in Williamson County, Tennessee is $131,202 per year according to U.S. Census Bureau data. Williamson County earns an income score of 99.4/100 on CountyScore.
Is Williamson County, Tennessee a good place to live?
Williamson County scores 60.7/100 on CountyScore's overall county ranking, ranking #12 in Tennessee. The best way to evaluate Williamson 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 Williamson County with other counties side by side.

ByCounty Network

🏛Property Tax🏠Cost of Living💼Income & Jobs🛡Safety❤Health🎓Schools⚡Disaster Risk💧Water Quality🌤Weather & Climate🪨Soil Quality🌱Lawn Care🛒Farmers Markets

Data from U.S. Census Bureau ACS, FBI UCR, CDC, FEMA NRI, NCES, EPA SDWIS, NOAA — informational only.