| ZIP Codes: | 49 ZIP Codes (30 Standard, 10 PO Box, 9 Unique) [See All] |
| Area Codes: | 615 / 629 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:45 PM |
| Population: | 727,851 [See All] |
| FIPS: | 47037 |
| CBSA: | Nashville-Davidson--Murfreesboro--Franklin, TN |
| Land Area: | 562 sq mi |
| Water Area: | 23 sq mi |
| Coordinates: | 36.1634, -86.7629 |
| Quick Link: |
727,851 residents live across 49 ZIPs covering 562 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 664,824 to 727,851 from 2014 to 2024 — a +9.5% change. 23 ZIPs gained residents, 5 lost.
The county's wealthiest ZIP 37220 (Nashville, $180,417 median) and poorest ZIP 37210 (Nashville, $50,284) are 5.5 miles apart — a 3.6× income gap across local geography.
Median home values vary 3.4× across this county — from $307,500 in 37115 (Madison) to $1,046,500 in 37215 (Nashville).
Density varies 117× across the county — from 136 people/sq mi in 37189 (Whites Creek) to 16,029 in 37219 (Nashville).
Most of the decade's growth concentrated around Nashville — top growth ZIPs averaged +99.4% over the past ten years ( 37219 , 37228 and 37203 ).
Educational attainment ranges from 24.2% bachelor's+ in 37080 (Joelton) to 90.1% in 37219 (Nashville) — the breadth of educational profiles across the area.
Within Tennessee, this is the #2 most populous of 95 counties and ranks #6 for median household income with the #26 fastest decade growth .
On the national stage, Davidson County is the #91 most populous US county .
Hosts 4 single-entity Unique ZIPs: 37243Tn State Government ; 37246Nashville Elec Serv ; 37240Vanderbilt University ; and 37236Baptist Hospital .
Weighted by population, the typical household earns about $80,760 across the county — reflecting what a typical resident sees, not a simple ZIP average.
47.1% of adults age 25+ hold a bachelor's degree or higher (238,517 of 506,594 reporting). The most-educated ZIPs cluster around Nashville.
30 Standard delivery, 10 PO Box only, 9 single-entity Unique ZIPs serve this county.
10 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
9 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
Median household income spans 3.6× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 37013 | Antioch | Standard | 105,212 | $72,755 | 36.5 | 22.0% |
| 37211 | Nashville | Standard | 76,573 | $71,399 | 22.9 | -1.8% |
| 37221 | Nashville | Standard | 41,935 | $97,751 | 46.4 | 7.0% |
| 37207 | Nashville | Standard | 41,366 | $61,744 | 19.6 | 20.8% |
| 37115 | Madison | Standard | 40,615 | $54,566 | 22.0 | 7.0% |
| 37076 | Hermitage | Standard | 39,017 | $74,663 | 34.0 | 2.8% |
| 37209 | Nashville | Standard | 37,817 | $81,423 | 35.4 | 4.9% |
| 37072 | Goodlettsville | Standard | 32,208 | $78,123 | 77.8 | 3.7% |
| 37217 | Nashville | Standard | 31,869 | $62,796 | 23.0 | 10.2% |
| 37214 | Nashville | Standard | 29,805 | $72,012 | 23.5 | 0.3% |
| 37206 | Nashville | Standard | 28,545 | $96,169 | 7.9 | 8.9% |
| 37205 | Nashville | Standard | 24,823 | $139,152 | 17.4 | 3.4% |
| 37138 | Old Hickory | Standard | 22,575 | $85,149 | 19.8 | 1.0% |
| 37215 | Nashville | Standard | 22,018 | $155,863 | 15.2 | 3.0% |
| 37203 | Nashville | Standard | 21,442 | $71,281 | 4.1 | 82.2% |
| 37208 | Nashville | Standard | 20,889 | $65,556 | 4.6 | 22.0% |
| 37212 | Nashville | Standard | 20,592 | $95,145 | 2.7 | 4.2% |
| 37216 | Nashville | Standard | 19,038 | $86,701 | 6.9 | 1.6% |
| 37210 | Nashville | Standard | 17,725 | $50,284 | 9.5 | 14.5% |
| 37204 | Nashville | Standard | 16,469 | $109,580 | 6.7 | 30.7% |
| 37218 | Nashville | Standard | 15,292 | $61,919 | 39.8 | 3.3% |
| 37080 | Joelton | Standard | 6,844 | $87,963 | 49.5 | -12.1% |
| 37220 | Nashville | Standard | 5,265 | $180,417 | 7.8 | -8.8% |
| 37189 | Whites Creek | Standard | 3,442 | $87,047 | 25.2 | 7.1% |
| 37228 | Nashville | Standard | 2,585 | $60,378 | 1.8 | 106.1% |
| 37219 | Nashville | Standard | 2,398 | $105,476 | 0.1 | 110.0% |
| 37201 | Nashville | Standard | 1,467 | $114,229 | 0.4 | -22.6% |
| 37213 | Nashville | Standard | 25 | — | 0.9 | -83.8% |
| 37238 | Nashville | Standard | 0 | — | 0.0 | — |
| 37232 | Nashville | Standard | 0 | — | 0.2 | — |
| 37229 | Nashville | PO Box | — | — | 0.0 | — |
| 37240 | Nashville | Unique | — | — | 0.0 | — |
| 37236 | Nashville | Unique | — | — | 0.0 | — |
| 37202 | Nashville | PO Box | — | — | 0.0 | — |
| 37244 | Nashville | PO Box | — | — | 0.0 | — |
| 37234 | Nashville | Unique | — | — | 0.0 | — |
| 37246 | Nashville | Unique | — | — | 0.0 | — |
| 37250 | Nashville | Unique | — | — | 0.0 | — |
| 37242 | Nashville | Unique | — | — | 0.0 | — |
| 37243 | Nashville | Unique | — | — | 0.3 | — |
| 37011 | Antioch | PO Box | — | — | 0.0 | — |
| 37222 | Nashville | PO Box | — | — | 0.0 | — |
| 37224 | Nashville | PO Box | — | — | 0.0 | — |
| 37227 | Nashville | PO Box | — | — | 0.0 | — |
| 37235 | Nashville | Unique | — | — | 0.0 | — |
| 37230 | Nashville | PO Box | — | — | 0.0 | — |
| 37241 | Nashville | Unique | — | — | 0.0 | — |
| 37116 | Madison | PO Box | — | — | 0.0 | — |
| 37070 | Goodlettsville | PO Box | — | — | 0.0 | — |