Marion County, Tennessee
County seat: Jasper · Population 29,804 (2025) · 498 sq mi
Marion County is the 51st most populous of Tennessee's 95 counties, with 29,804 people (2025 estimate). Its county seat is Jasper. It is part of the East Tennessee region, one of the 3 Grand Divisions of Tennessee. The map shows its 8 cities and towns and the 6 neighboring counties.
Marion County facts
- County seat
- Jasper
- Population (2025 estimate)
- 29,804 +3.3% since 2020
- Land area
- 498 sq mi 39th largest of 95
- Water area
- 14 sq mi
- Population density
- 60 per sq mi
- Established
- 1817
- Same name
- One of 17 Marion Counties in the US
- Named after
- Francis Marion American politician, Continental Army officer (1732-1795)
- Largest city
- Jasper 3,636
- Median household income
- $61,824
- Cities and towns
- 8 plus 3 CDPs
- ZIP codes
- 12
- Time zone
- Central
- FIPS code
- 47115
Cities and towns in Marion County
Marion County has 8 incorporated cities, towns and villages. Populations count the people living inside Marion County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Jasper (county seat) | Town | 3,636 | |
| South Pittsburg | City | 2,927 | |
| Kimball | Town | 1,633 | |
| Whitwell | City | 1,596 | |
| Powells Crossroads | Town | 1,296 | |
| New Hope | City | 968 | |
| Monteagle | Town | 529 | Franklin and Grundy counties |
| Orme | Town | 85 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Griffith Creek | 586 | |
| Sequatchie | 359 | |
| Whiteside | 33 |
ZIP codes in Marion County
12 ZIP codes reach into Marion County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 37340
- 37347
- 37356 also Grundy and Franklin counties
- 37374
- 37375 also Franklin County
- 37377 also Hamilton and Sequatchie counties
- 37380 also Franklin County
- 37387 also Grundy County
- 37396
- 37397 also Sequatchie County
- 37405 also Hamilton County
- 37419 also Hamilton County
Population of Marion County, 2020–2025
Marion County grew by 963 people (+3.3%) between April 2020 and July 2025: 893 more deaths than births and a net gain of 1,821 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 28,874 |
| 2021 | 28,923 |
| 2022 | 29,061 |
| 2023 | 29,393 |
| 2024 | 29,761 |
| 2025 | 29,804 |
Neighboring counties
- Grundy County north · 14,116 people
- Sequatchie County northeast · 17,861 people
- Hamilton County east · 390,833 people
- Franklin County west · 45,579 people
- Jackson County, Alabama southwest · 54,281 people
- Dade County, Georgia south · 16,154 people
Printable Marion 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) (107 KB)
- PNG (2400 px) (85 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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