Sequatchie County, Tennessee
County seat: Dunlap · Population 17,861 (2025) · 266 sq mi
Sequatchie County is the 73rd most populous of Tennessee's 95 counties, with 17,861 people (2025 estimate). Its county seat is Dunlap. 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 6 neighboring counties.
Sequatchie County facts
- County seat
- Dunlap
- Population (2025 estimate)
- 17,861 +12.9% since 2020
- Land area
- 266 sq mi 81st largest of 95
- Water area
- 0 sq mi
- Population density
- 67 per sq mi
- Established
- 1857
- Named after
- Cherokee Native American people indigenous to the Southeastern United States
- Largest city
- Dunlap 6,089
- Median household income
- $58,750
- Cities and towns
- 1 plus 1 CDPs
- ZIP codes
- 8
- Time zone
- Central
- FIPS code
- 47153
Cities and towns in Sequatchie County
Sequatchie County has 1 incorporated place. Populations count the people living inside Sequatchie County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Dunlap (county seat) | City | 6,089 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Lone Oak | 1,422 |
ZIP codes in Sequatchie County
8 ZIP codes reach into Sequatchie County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 37110 also Warren, Grundy, Van Buren and Cannon counties
- 37327 also Bledsoe and Van Buren counties
- 37338 also Bledsoe, Hamilton and Rhea counties
- 37365 also Grundy County
- 37377 also Hamilton and Marion counties
- 37379 also Hamilton and Bledsoe counties
- 37397 also Marion County
- 38585 also Van Buren County
Population of Sequatchie County, 2020–2025
Sequatchie County grew by 2,035 people (+12.9%) between April 2020 and July 2025: 165 more deaths than births and a net gain of 2,202 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 15,848 |
| 2021 | 16,447 |
| 2022 | 16,917 |
| 2023 | 17,168 |
| 2024 | 17,609 |
| 2025 | 17,861 |
Neighboring counties
- Grundy County west · 14,116 people
- Bledsoe County northeast · 15,920 people
- Marion County southwest · 29,804 people
- Hamilton County southeast · 390,833 people
- Van Buren County north · 6,874 people
- Warren County northwest · 43,717 people
Printable Sequatchie 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) (71 KB)
- PNG (2400 px) (79 KB)
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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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