Lake County, Michigan
County seat: Baldwin · Population 13,182 (2025) · 568 sq mi
Lake County is the 71st most populous of Michigan's 83 counties, with 13,182 people (2025 estimate). Its county seat is Baldwin. It is part of the West (Region 4) region, one of the 10 Michigan prosperity regions. The map shows its 2 cities and towns and the 7 neighboring counties.
Lake County facts
- County seat
- Baldwin
- Population (2025 estimate)
- 13,182 +9% since 2020
- Land area
- 568 sq mi 43rd largest of 83
- Water area
- 7 sq mi
- Population density
- 23 per sq mi
- Established
- 1840
- Same name
- One of 12 Lake Counties in the US
- Named after
- lake body of relatively still water, localized in a basin
- Largest city
- Webber 2,583
- Median household income
- $50,805
- Cities and towns
- 2
- ZIP codes
- 11
- Time zone
- Eastern
- FIPS code
- 26085
Cities and towns in Lake County
Lake County has 2 incorporated cities, towns and villages. Populations count the people living inside Lake County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Baldwin (county seat) | Village | 1,025 | |
| Luther | Village | 328 |
ZIP codes in Lake County
11 ZIP codes reach into Lake County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 49304
- 49309 also Newaygo County
- 49402 also Mason and Oceana counties
- 49601 also Wexford and Missaukee counties
- 49623
- 49642
- 49644 also Mason and Manistee counties
- 49655 also Osceola County
- 49656
- 49677 also Osceola and Newaygo counties
- 49688 also Osceola and Wexford counties
Population of Lake County, 2020–2025
Lake County grew by 1,091 people (+9%) between April 2020 and July 2025: 550 more deaths than births and a net gain of 1,615 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 12,086 |
| 2021 | 12,271 |
| 2022 | 12,684 |
| 2023 | 12,772 |
| 2024 | 13,016 |
| 2025 | 13,182 |
Neighboring counties
- Mason County west · 29,040 people
- Osceola County east · 23,516 people
- Newaygo County south · 51,622 people
- Wexford County northeast · 34,445 people
- Manistee County northwest · 25,656 people
- Mecosta County southeast · 42,320 people
- Oceana County southwest · 27,177 people
Printable Lake 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) (127 KB)
- PNG (2400 px) (57 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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