Lenawee County, Michigan
County seat: Adrian · Population 97,779 (2025) · 750 sq mi
Lenawee County is the 21st most populous of Michigan's 83 counties, with 97,779 people (2025 estimate). Its county seat is Adrian. It is part of the Southeast (Region 9) region, one of the 10 Michigan prosperity regions. The map shows its 12 cities and towns and the 6 neighboring counties.
Lenawee County facts
- County seat
- Adrian
- Population (2025 estimate)
- 97,779 −1.7% since 2020
- Land area
- 750 sq mi 23rd largest of 83
- Water area
- 12 sq mi
- Population density
- 130 per sq mi
- Established
- 1822
- Largest city
- Adrian 20,191
- Median household income
- $70,518
- Cities and towns
- 12 plus 2 CDPs
- ZIP codes
- 23
- Time zone
- Eastern
- FIPS code
- 26091
Cities and towns in Lenawee County
Lenawee County has 12 incorporated cities, towns and villages. Populations count the people living inside Lenawee County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Adrian (county seat) | City | 20,191 | |
| Tecumseh | City | 8,608 | |
| Blissfield | Village | 3,262 | |
| Clinton | Village | 2,481 | |
| Hudson | City | 2,347 | |
| Morenci | City | 2,218 | |
| Onsted | Village | 1,002 | |
| Deerfield | Village | 887 | |
| Addison | Village | 583 | |
| Britton | Village | 557 | |
| Cement City | Village | 374 | Jackson County |
| Clayton | Village | 320 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Manitou Beach-Devils Lake | 2,103 | |
| Jasper | 282 |
ZIP codes in Lenawee County
23 ZIP codes reach into Lenawee County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 48176 also Washtenaw County
- 49220 also Hillsdale County
- 49221
- 49228 also Monroe County
- 49229 also Monroe and Washtenaw counties
- 49230 also Jackson County
- 49233 also Jackson and Hillsdale counties
- 49235
- 49236 also Washtenaw County
- 49238 also Monroe County
- 49247 also Hillsdale County
- 49248
- 49253
- 49256
- 49265
- 49267 also Monroe County
- 49268
- 49276 also Monroe County
- 49279
- 49286
- 49287 also Washtenaw County
- 49288 also Hillsdale County
- 49289
Population of Lenawee County, 2020–2025
Lenawee County shrank by 1,655 people (−1.7%) between April 2020 and July 2025: 1,625 more deaths than births and a net loss of 93 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 99,348 |
| 2021 | 99,181 |
| 2022 | 98,296 |
| 2023 | 97,710 |
| 2024 | 97,825 |
| 2025 | 97,779 |
Neighboring counties
- Hillsdale County west · 45,738 people
- Fulton County, Ohio south · 41,853 people
- Monroe County east · 156,004 people
- Washtenaw County northeast · 370,214 people
- Jackson County northwest · 159,552 people
- Lucas County, Ohio southeast · 423,347 people
Printable Lenawee 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) (158 KB)
- PNG (2400 px) (81 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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