Houston County, Tennessee
County seat: Erin · Population 8,479 (2025) · 200 sq mi
Houston County is the 89th most populous of Tennessee's 95 counties, with 8,479 people (2025 estimate). Its county seat is Erin. It is part of the Middle Tennessee region, one of the 3 Grand Divisions of Tennessee. The map shows its 2 cities and towns and the 5 neighboring counties.
Houston County facts
- County seat
- Erin
- Population (2025 estimate)
- 8,479 +2.5% since 2020
- Land area
- 200 sq mi 88th largest of 95
- Water area
- 7 sq mi
- Population density
- 42 per sq mi
- Established
- 1871
- Same name
- One of 5 Houston Counties in the US
- Named after
- Sam Houston American statesman, politician, and soldier (1793-1863)
- Largest city
- Tennessee Ridge 1,341
- Median household income
- $59,576
- Cities and towns
- 2
- ZIP codes
- 8
- Time zone
- Central
- FIPS code
- 47083
Cities and towns in Houston County
Houston County has 2 incorporated cities, towns and villages. Populations count the people living inside Houston County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Tennessee Ridge | Town | 1,341 | |
| Erin (county seat) | City | 1,207 |
ZIP codes in Houston County
8 ZIP codes reach into Houston County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 37050 also Stewart and Montgomery counties
- 37051 also Dickson and Montgomery counties
- 37061 also Montgomery and Stewart counties
- 37101 also Humphreys and Hickman counties
- 37175 also Stewart County
- 37178 also Stewart County
- 37181 also Dickson County
- 37185 also Humphreys County
Population of Houston County, 2020–2025
Houston County grew by 206 people (+2.5%) between April 2020 and July 2025: 287 more deaths than births and a net gain of 489 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 8,295 |
| 2021 | 8,298 |
| 2022 | 8,232 |
| 2023 | 8,391 |
| 2024 | 8,525 |
| 2025 | 8,479 |
Neighboring counties
- Humphreys County south · 19,646 people
- Stewart County northwest · 14,439 people
- Dickson County southeast · 58,662 people
- Benton County southwest · 16,183 people
- Montgomery County northeast · 249,935 people
Printable Houston 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) (72 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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