| ZIP Codes: | 8 ZIP Codes (7 Standard, 0 PO Box, 1 Unique) [See All] |
| Area Code: | 731 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:49 PM |
| Population: | 30,983 [See All] |
| FIPS: | 47183 |
| CBSA: | Martin, TN |
| Land Area: | 519 sq mi |
| Water Area: | 1 sq mi |
| Coordinates: | 36.3209, -88.7320 |
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30,983 residents live across 8 ZIPs covering 519 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 32,684 to 30,983 from 2014 to 2024 — a -5.2% change. 3 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 38241 (Palmersville, $64,125 median) and poorest ZIP 38255 (Sharon, $45,990) are 18.8 miles apart — a 1.4× income gap across local geography.
Median home values vary 2.0× across this county — from $98,600 in 38230 (Greenfield) to $200,900 in 38237 (Martin).
Density varies 14× across the county — from 8 people/sq mi in 38226 (Dukedom) to 118 in 38237 (Martin).
Educational attainment ranges from 11.1% bachelor's+ in 38226 (Dukedom) to 29.0% in 38237 (Martin) — the breadth of educational profiles across the area.
Within Tennessee, this is the #49 most populous of 95 counties and ranks #65 for median household income .
Hosts 1 single-entity Unique ZIP: 38238University Of Tn .
Weighted by population, the typical household earns about $52,371 across the county — reflecting what a typical resident sees, not a simple ZIP average.
23.5% of adults age 25+ hold a bachelor's degree or higher (4,657 of 19,835 reporting).
7 Standard delivery, 0 PO Box only, 1 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
Weakley County lost 5.2% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 38237 | Martin | Standard | 15,627 | $51,670 | 132.7 | -4.7% |
| 38225 | Dresden | Standard | 5,881 | $50,545 | 107.2 | -10.2% |
| 38230 | Greenfield | Standard | 3,765 | $55,365 | 87.9 | 1.1% |
| 38229 | Gleason | Standard | 2,378 | $58,715 | 59.0 | -7.3% |
| 38255 | Sharon | Standard | 2,271 | $45,990 | 47.6 | -7.8% |
| 38241 | Palmersville | Standard | 835 | $64,125 | 57.4 | 0.1% |
| 38226 | Dukedom | Standard | 226 | — | 26.7 | 43.9% |
| 38238 | Martin | Unique | — | — | 0.9 | — |