Jackson County, Tennessee
County seat: Gainesboro · Population 12,466 (2025) · 309 sq mi
Jackson County is the 86th most populous of Tennessee's 95 counties, with 12,466 people (2025 estimate). Its county seat is Gainesboro. It is part of the Middle Tennessee region, one of the 3 Grand Divisions of Tennessee. The map shows its 1 city or town and the 5 neighboring counties.
Jackson County facts
- County seat
- Gainesboro
- Population (2025 estimate)
- 12,466 +7.3% since 2020
- Land area
- 309 sq mi 71st largest of 95
- Water area
- 11 sq mi
- Population density
- 40 per sq mi
- Established
- 1801
- Same name
- One of 23 Jackson Counties in the US
- Named after
- Andrew Jackson president of the United States from 1829 to 1837
- Largest city
- Dodson Branch 1,425
- Median household income
- $47,951
- Cities and towns
- 1 plus 1 CDPs
- ZIP codes
- 11
- Time zone
- Central
- FIPS code
- 47087
Cities and towns in Jackson County
Jackson County has 1 incorporated place. Populations count the people living inside Jackson County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Gainesboro (county seat) | Town | 969 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Dodson Branch | 1,425 |
ZIP codes in Jackson County
11 ZIP codes reach into Jackson County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 37030 also Smith County
- 37145 also Smith and Macon counties
- 37150 also Macon and Clay counties
- 38501 also Putnam and Overton counties
- 38506 also Putnam, Overton and White counties
- 38545 also Putnam County
- 38551 also Clay County
- 38562
- 38564 also Putnam County
- 38568 also Overton and Clay counties
- 38588 also Clay and Macon counties
Population of Jackson County, 2020–2025
Jackson County grew by 846 people (+7.3%) between April 2020 and July 2025: 428 more deaths than births and a net gain of 1,260 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 11,637 |
| 2021 | 11,771 |
| 2022 | 12,019 |
| 2023 | 12,355 |
| 2024 | 12,447 |
| 2025 | 12,466 |
Neighboring counties
- Putnam County southeast · 86,612 people
- Clay County northeast · 7,821 people
- Smith County west · 20,981 people
- Overton County east · 23,787 people
- Macon County northwest · 27,663 people
Printable Jackson County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (70 KB)
- PNG (2400 px) (78 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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