Montgomery County, Tennessee
County seat: Clarksville · Population 249,935 (2025) · 539 sq mi
Montgomery County is the 7th most populous of Tennessee's 95 counties, with 249,935 people (2025 estimate). Its county seat is Clarksville. 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 7 neighboring counties.
Montgomery County facts
- County seat
- Clarksville
- Population (2025 estimate)
- 249,935 +13.6% since 2020
- Land area
- 539 sq mi 28th largest of 95
- Water area
- 5 sq mi
- Population density
- 464 per sq mi
- Established
- 1796
- Same name
- One of 18 Montgomery Counties in the US
- Named after
- John Montgomery American soldier, settler and explorer (1750–1794)
- Largest city
- Clarksville 188,829
- Median household income
- $75,613
- Cities and towns
- 1
- ZIP codes
- 15
- Time zone
- Central
- FIPS code
- 47125
Cities and towns in Montgomery County
Montgomery County has 1 incorporated place. Populations count the people living inside Montgomery County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Clarksville (county seat) | City | 188,829 |
ZIP codes in Montgomery County
15 ZIP codes reach into Montgomery County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 37010 also Robertson County
- 37015 also Cheatham and Davidson counties
- 37032 also Robertson and Cheatham counties
- 37040
- 37042
- 37043 also Cheatham County
- 37050 also Stewart and Houston counties
- 37051 also Dickson and Houston counties
- 37052 also Dickson County
- 37061 also Houston and Stewart counties
- 37079 also Stewart County
- 37142
- 37171 also Dickson County
- 37191
- 42223
Population of Montgomery County, 2020–2025
Montgomery County grew by 29,923 people (+13.6%) between April 2020 and July 2025: 10,023 more births than deaths and a net gain of 19,600 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 221,286 |
| 2021 | 227,781 |
| 2022 | 235,141 |
| 2023 | 240,192 |
| 2024 | 246,281 |
| 2025 | 249,935 |
Neighboring counties
- Robertson County east · 80,175 people
- Cheatham County southeast · 42,778 people
- Stewart County west · 14,439 people
- Christian County, Kentucky north · 70,115 people
- Dickson County south · 58,662 people
- Todd County, Kentucky northeast · 12,972 people
- Houston County southwest · 8,479 people
Printable Montgomery 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) (75 KB)
- PNG (2400 px) (69 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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