Monroe County, Tennessee
County seat: Madisonville · Population 49,730 (2025) · 636 sq mi
Monroe County is the 34th most populous of Tennessee's 95 counties, with 49,730 people (2025 estimate). Its county seat is Madisonville. It is part of the East Tennessee region, one of the 3 Grand Divisions of Tennessee. The map shows its 4 cities and towns and the 6 neighboring counties.
Monroe County facts
- County seat
- Madisonville
- Population (2025 estimate)
- 49,730 +7.5% since 2020
- Land area
- 636 sq mi 6th largest of 95
- Water area
- 17 sq mi
- Population density
- 78 per sq mi
- Established
- 1819
- Same name
- One of 17 Monroe Counties in the US
- Named after
- James Monroe president of the United States from 1817 to 1825 (1758–1831)
- Largest city
- Sweetwater 6,701 in the county
- Median household income
- $56,895
- Cities and towns
- 4 plus 3 CDPs
- ZIP codes
- 9
- Time zone
- Eastern
- FIPS code
- 47123
Cities and towns in Monroe County
Monroe County has 4 incorporated cities, towns and villages. Populations count the people living inside Monroe County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Sweetwater | City | 6,701 | McMinn County |
| Madisonville (county seat) | City | 5,428 | |
| Vonore | Town | 1,715 | Blount County |
| Tellico Plains | Town | 778 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Kahite | 892 | |
| Rarity Bay | 517 | Loudon County |
| Coker Creek | 155 |
ZIP codes in Monroe County
9 ZIP codes reach into Monroe County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 37329 also McMinn County
- 37354 also McMinn County
- 37369 also Polk County
- 37385
- 37774 also Loudon and Roane counties
- 37801 also Blount County
- 37846 also Loudon, Roane, McMinn and Meigs counties
- 37874 also McMinn, Loudon and Roane counties
- 37885 also Loudon County
Population of Monroe County, 2020–2025
Monroe County grew by 3,481 people (+7.5%) between April 2020 and July 2025: 1,221 more deaths than births and a net gain of 4,585 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 46,399 |
| 2021 | 46,665 |
| 2022 | 47,719 |
| 2023 | 48,601 |
| 2024 | 49,338 |
| 2025 | 49,730 |
Neighboring counties
- Loudon County north · 63,764 people
- McMinn County west · 57,404 people
- Blount County northeast · 143,820 people
- Cherokee County, North Carolina southeast · 30,830 people
- Graham County, North Carolina east · 8,190 people
- Polk County southwest · 18,592 people
Printable Monroe 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) (99 KB)
- PNG (2400 px) (96 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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