Hillsdale County, Michigan
County seat: Hillsdale · Population 45,738 (2025) · 598 sq mi
Hillsdale County is the 38th most populous of Michigan's 83 counties, with 45,738 people (2025 estimate). Its county seat is Hillsdale. It is part of the Southeast (Region 9) region, one of the 10 Michigan prosperity regions. The map shows its 9 cities and towns and the 7 neighboring counties.
Hillsdale County facts
- County seat
- Hillsdale
- Population (2025 estimate)
- 45,738 −0% since 2020
- Land area
- 598 sq mi 36th largest of 83
- Water area
- 9 sq mi
- Population density
- 77 per sq mi
- Established
- 1829
- Largest city
- Hillsdale 8,002
- Median household income
- $64,242
- Cities and towns
- 9 plus 3 CDPs
- ZIP codes
- 19
- Time zone
- Eastern
- FIPS code
- 26059
Cities and towns in Hillsdale County
Hillsdale County has 9 incorporated cities, towns and villages. Populations count the people living inside Hillsdale County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Hillsdale (county seat) | City | 8,002 | |
| Jonesville | City | 2,175 | |
| Litchfield | City | 1,394 | |
| Reading | City | 1,084 | |
| Waldron | Village | 550 | |
| Camden | Village | 514 | |
| North Adams | Village | 465 | |
| Montgomery | Village | 318 | |
| Allen | Village | 213 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Lake LeAnn | 1,657 | |
| Pittsford | 707 | |
| Cambria | 128 |
ZIP codes in Hillsdale County
19 ZIP codes reach into Hillsdale County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 49082 also Branch County
- 49220 also Lenawee County
- 49227
- 49232
- 49233 also Jackson and Lenawee counties
- 49242
- 49246 also Jackson County
- 49247 also Lenawee County
- 49249 also Jackson County
- 49250 also Jackson County
- 49252 also Branch, Jackson and Calhoun counties
- 49255 also Branch County
- 49258
- 49262
- 49266
- 49271
- 49274 also Branch County
- 49282
- 49288 also Lenawee County
Population of Hillsdale County, 2020–2025
Hillsdale County shrank by 19 people (−0%) between April 2020 and July 2025: 516 more deaths than births and a net gain of 484 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 45,740 |
| 2021 | 45,647 |
| 2022 | 45,732 |
| 2023 | 45,643 |
| 2024 | 45,694 |
| 2025 | 45,738 |
Neighboring counties
- Lenawee County east · 97,779 people
- Branch County west · 45,993 people
- Williams County, Ohio south · 36,549 people
- Jackson County northeast · 159,552 people
- Calhoun County northwest · 133,408 people
- Steuben County, Indiana southwest · 34,799 people
- Fulton County, Ohio southeast · 41,853 people
Printable Hillsdale 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) (156 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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