Williamson County, Tennessee ZIP codes
13 ZIP codes are in Williamson County, plus 6 that cross in from neighboring counties. It's part of the Nashville-Davidson--Murfreesboro--Franklin, TN metro area.
- ZIP codes
- 13
- Population in these ZIPs
- 248,976
- Avg. median income
- $136,500population-weighted
- Cities & towns
- 8
Click anywhere on the map to see which ZIP code it's in.
ZIP codes in Williamson County
| ZIP code | City | Population | Median income | Typical home value |
|---|---|---|---|---|
| 37014 | Arrington | 3,227 | $105,125 | $1,278,000 |
| 37024 PO Box | Brentwood | — | — | — |
| 37027 | Brentwood | 61,630 | $154,578 | $1,220,300 |
| 37046 | College Grove | 7,310 | $178,228 | $1,295,400 |
| 37062 | Fairview | 13,851 | $91,750 | $540,200 |
| 37064 | Franklin | 67,513 | $127,771 | $901,500 |
| 37065 PO Box | Franklin | — | — | — |
| 37067 | Franklin | 31,556 | $111,759 | $941,500 |
| 37068 PO Box | Franklin | — | — | — |
| 37069 | Franklin | 20,209 | $157,939 | $998,900 |
| 37135 | Nolensville | 24,409 | $148,819 | $815,900 |
| 37179 | Thompsons Station | 18,043 | $136,188 | $718,900 |
| 38476 | Primm Springs | 1,228 | $83,654 | $580,400 |
ZIP codes partly in Williamson County
These ZIP codes are mostly in a neighboring county but cover part of Williamson County.
| ZIP code | City | County | Population | Median income | Typical home value |
|---|---|---|---|---|---|
| 37025 | Bon Aqua | Hickman County | 6,854 | $77,846 | $325,600 |
| 37060 | Eagleville | Rutherford County | 3,396 | $97,386 | $540,000 |
| 37174 | Spring Hill | Maury County | 53,900 | $105,181 | $515,600 |
| 37215 | Nashville | Davidson County | 22,018 | $155,863 | $1,183,600 |
| 37221 | Nashville | Davidson County | 41,935 | $97,751 | $496,400 |
| 38401 | Columbia | Maury County | 67,482 | $68,475 | $371,200 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities and towns in Williamson County
Nearby counties
Frequently asked questions
How many ZIP codes are in Williamson County, Tennessee?
13 ZIP codes are mainly in Williamson County, and 6 more ZIP codes from neighboring areas reach partly into it.
What cities are in Williamson County?
ZIP codes in Williamson County use the city names Arrington, Brentwood, College Grove, Fairview, Franklin, Nolensville, Primm Springs and Thompsons Station.
What metro area is Williamson County in?
Williamson County is part of the Nashville-Davidson--Murfreesboro--Franklin, TN metropolitan statistical area.