CountyScore

Williamson County

Tennessee · TN

#90 in Tennessee
64.7
County Score

County Report Card

About Williamson County, Tennessee

Moderate National Livability Score

Williamson County's composite score of 63.8 remains well above the national median of 50.0, demonstrating above-average livability on the national scale. However, the score masks a complex trade-off between income and affordability.

Below Tennessee's State Average

Williamson County scores 63.8 against Tennessee's state average of 76.3, placing it notably below the state median. Despite strong incomes, housing costs drag the overall livability score down relative to other Tennessee counties.

High Incomes Drive Economic Vitality

Williamson County's standout income score of 69.0 reflects a median household income of $131,202—the highest in this cohort by far. The tax score of 90.2 with an effective rate of 0.429% further strengthens the county's appeal to earners.

Housing Costs Severely Limit Affordability

The cost score of 42.6 reveals the critical weakness: median home values of $673,700 and median rent of $1,895/month create affordability challenges even for high-income residents. This gap between earnings and housing prices constrains overall livability despite strong incomes.

Premium County for High-Earning Families

Williamson County suits affluent families earning $130,000+ who can absorb premium housing costs and value strong schools and amenities. It's Tennessee's destination for wealth-building professionals willing to pay for upscale suburban living.

Score breakdown

5 dimensions have live data. 3 more coming as vertical sites launch.

Tax90.2Cost42.6SafetyComing SoonHealth83.8SchoolsComing SoonIncome69Risk14.9WaterComing Soon
🏛90.2
Property Tax
Effective property tax rate vs national benchmarks
TaxByCounty →
🏠42.6
Cost of Living
Median rent, home values, and housing affordability
CostByCounty →
💼69
Income & Jobs
Median household income and per capita earnings
IncomeByCounty →
🛡Coming Soon
Safety
Violent and property crime rates per 100K residents
❤83.8
Health
Life expectancy, uninsured rates, and health access
HealthByCounty →
🎓Coming Soon
Schools
Graduation rates, per-pupil spending, and attainment
⚡14.9
Disaster Risk
FEMA National Risk Index — flood, fire, tornado, and more
RiskByCounty →
💧Coming Soon
Water Quality
EPA drinking water health violations and safety grades

Explore this county

Property Taxtaxbycounty.comCost of Livingcostbycounty.comIncomeincomebycounty.com
Compare Williamson County with another county →

Counties with similar scores

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Mono County
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Median income: $86,953
Bartow County
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Median income: $79,431
Clinton County
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Median income: $65,177

Deep Dives

Williamson County across the ByCounty Network

Detailed analysis from 5 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

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

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

ByCounty Network

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