27 / 100

Williamson County, TN

RANK #727 / 1001 NAT  ·  #24 / 33 TN  ·  POP 260,351

1YR FORECAST: +0.1%

5YR OUTLOOK: +25%

Our model projects Williamson County's housing market at +0.1% over the next year, underperforming most U.S. counties.

[01] Why Williamson County?

Franklin, the county seat, anchors Williamson County, Tennessee, a region recognized for its blend of historic character and modern amenities. Located just 20 miles south of Nashville, the county offers a suburban and rural feel with rolling hills and preserved natural beauty. Commute times to Nashville average around 27 minutes, with public transit options available. The community is known for its highly-rated public and private schools, which are a primary draw for many families. Outdoor recreation is accessible through numerous parks, greenways, and facilities like Bowie Nature Park and Crockett Park.

Life in Williamson County often appeals to families and professionals seeking a high quality of life. The economy is driven by a diverse range of businesses, including corporate headquarters and a strong presence in healthcare and technology sectors. Recent economic developments include significant investment in commercial, residential, and mixed-use projects across towns like Franklin, Brentwood, and Spring Hill, contributing to the county's continued growth. This development aims to provide varied housing options and amenities while balancing the area's historical charm.

MARKET PROFILE

Idiosyncratic Markets

Williamson County's data profile doesn't fit any single market profile cleanly — its housing, labor, and demographic signals pull in different directions (home prices +1.6% YoY, population +2.3%, wages +3.6%). About 414 U.S. counties show this kind of mixed-signal pattern.

See all 414 Idiosyncratic Markets counties →

[02] Market Snapshot

Housing Ratio
14.3x

Overvalued relative to economy

Home Prices
+1.6%

Below national median

Climate & Terrain
-0.9

Below-average climate & terrain

Price/Rent
30x

Speculative pricing

Housing looks overvalued at 14.3x — home prices are high relative to local economic output. The typical U.S. county is 4–6x.

[03] Top Employers

  1. 1
    Community Health Systems Healthcare
    2,500+
  2. 2
    Nissan North America Other
    1,000+
  3. 3
    UnitedHealthcare Healthcare
  4. 4
    Williamson Medical Center Healthcare
  5. 5
    Optum, Inc. Healthcare
  6. 6
    Tractor Supply Company Retail
  7. 7
    Mars Petcare US Retail
  8. 8
    Ford Motor Credit Company, LLC Finance
    500+
  9. 9
    Verizon Wireless Technology
  10. 10
    Lee Company Other

Estimated local headcount ranges. Larger employers shown as floor + "+"; smaller employers show exact counts where reported.

[04] Home Value Growth vs National

Williamson County U.S. National

Bars show trailing 12-month growth. The dashed Forecast bars are the model's next-12-month projection; the whisker marks the ±1% range (cooling–accelerating).

The Numbers

DEMOGRAPHICS
Population
260,351
+2.26% YoY
Median Household Income
$135,594
Median Home Value
$751,900
+1.59% 12mo
Median Rent
$1,969
Average Annual Pay
$90,386
+3.6% YoY
Employment
151,227
+1.2% YoY
Income-to-Home-Value
0.1803
Near national average
Migration Inflow
4.43%
of pop. from another state
Bachelor's Degree+
62.7%
of residents (national avg: 33%)

Market Activity

REAL ESTATE
Median Sale Price
$992,500
Days on Market
56
Moderate pace
Months of Supply
3.8
Balanced market
Sale-to-List Ratio
98.1%
Near asking price
Sold Above List
13.3%
Listings w/ Price Drops
22.4%
Building Permits (2025)
1,621
Single-Family Permits
1,286

Source: Redfin · Census BPS — Browse sales on Redfin →

[05] Crime & Safety

A
SAFETY
GRADE
Homicide Rate
1.8
per 100K · nat avg 6.3
Firearm Fatalities
8.9
per 100K · nat avg 14.8
Injury Deaths
60.6
per 100K · nat avg 76.3
vs National Average
Well below national avg
based on homicide rate

Source: CDC/NCHS vital statistics via County Health Rankings (2020–2022 avg). Rates per 100,000 population. Grade based on homicide rate relative to national average (~6.3). Learn more →

[06] Air Quality

B
AIR QUALITY
GRADE
Median AQI (3yr)
41.0
Good
Good Air Days
86%
631 of 731 days
Unhealthy+ Days (3yr)
4
Sensitive groups affected
Primary Pollutant
Ozone
Ground-level ozone
Yearly Trend
2021
39
2022
41
2023
43
Median AQI · lower is better

Source: EPA Air Quality System (2021–2023). Grade based on 3-year average median AQI. Learn about AQI →

[07] Capital Investment

$1,126M
TOTAL
PROJECT AMOUNT STATUS
Aureum Mixed-Use Development
Undisclosed (developer)
$500M Under Construction
June Lake Master-Planned Community
Undisclosed (developer)
$500M Under Construction
Storyvale Master-Planned Community
Undisclosed (developer)
$70M Planned
The Factory at Franklin Renovation
Holladay Properties
$56M Under Construction

Source: public records, news, corporate announcements. Amounts are estimates where noted.

[08] Score Breakdown

Population Growth +2.3% 90 percentile
Income Growth +3.4% 65 percentile
Vacancy Rate 0.9% 56 percentile
Home Price Change +1.6% 49 percentile
Rent Growth +1.1% 21 percentile

Bars show percentile rank among all 1001 counties.

[09] Frequently Asked Questions

Is Williamson County, TN a good place to move to?

At 27/100, Williamson County faces headwinds that place it in the lower third of the 1001 counties we track. Median income of $135,594 combined with job growth of +1.2% suggests the local economy is struggling to keep pace with national trends.

Is Williamson County affordable?

Williamson County leans toward the expensive side. A median home value of $751,900 against an income-to-home-value ratio of 0.18 means housing eats a bigger share of local earnings than the national norm. Renters face $1,969/month on average.

Is Williamson County growing or shrinking?

Williamson County is growing on multiple fronts. Population is up +2.3% year-over-year while employers added jobs at a +1.2% clip. Home values shifted +1.6% in the past year.

Are people moving to Williamson County?

There's a moderate stream of newcomers. About 4.43% of residents moved from another state, which is above average and suggests Williamson County has appeal as a relocation destination — though it's not among the highest-inflow counties nationally.

[10] Similar Counties by Size & Score

Carter County, TN 28 Hamilton County, TN 28 Tipton County, TN 28 Bradley County, TN 24 Gibson County, TN 31 Rutherford County, TN 32 Henrico County, VA 27 Coweta County, GA 27