16 ZIP Code Tabulation Areas in Williamson County, Tennessee. The population-weighted median household income is about $117,449, the median home value about $645,987, and 75.7% of occupied homes are owner-occupied.
- 16
- ZIP codes
- 444.6K
- Population
- 53
- Data points
Williamson County at a glance
- $117,449
- Median household income
- $645,987
- Median home value
- 40.5
- Median age
- 75.7%
- Owner-occupied
- 181,247
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 Williamson County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 37046 | Eagleville | 7,310 | 87.9% | $178,228 |
| 2 | 37069 | Franklin | 20,209 | 87.1% | $157,939 |
| 3 | 37215 | Nashville-Davidson | 22,018 | 75.8% | $155,863 |
| 4 | 37027 | Brentwood | 61,630 | 82.1% | $154,578 |
| 5 | 37135 | Brentwood | 24,409 | 92.6% | $148,819 |
Top 5 Williamson County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 37064 | Franklin | 67,513 | 77.1% | $127,771 |
| 2 | 38401 | Columbia | 67,482 | 70.1% | $68,475 |
| 3 | 37027 | Brentwood | 61,630 | 82.1% | $154,578 |
| 4 | 37174 | Spring Hill | 53,900 | 74.1% | $105,181 |
| 5 | 37221 | Nashville-Davidson | 41,935 | 70.8% | $97,751 |
Top 5 Williamson County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 37027 | Brentwood | 61,630 | 82.1% | $154,578 | $2.9B |
| 2 | 37064 | Franklin | 67,513 | 77.1% | $127,771 | $2.4B |
| 3 | 37174 | Spring Hill | 53,900 | 74.1% | $105,181 | $1.5B |
| 4 | 37221 | Nashville-Davidson | 41,935 | 70.8% | $97,751 | $1.4B |
| 5 | 38401 | Columbia | 67,482 | 70.1% | $68,475 | $1.3B |
Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.
Densest: 37215 (Nashville-Davidson) at 1,437 people/sq mi. Least dense: 38476 at 30 people/sq mi.
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