Ottawa County, Michigan
County seat: Grand Haven · Population 308,459 (2025) · 564 sq mi
Ottawa County is the 7th most populous of Michigan's 83 counties, with 308,459 people (2025 estimate). Its county seat is Grand Haven. It is part of the West (Region 4) region, one of the 10 Michigan prosperity regions. The map shows its 7 cities and towns and the 5 neighboring counties.
Ottawa County facts
- County seat
- Grand Haven
- Population (2025 estimate)
- 308,459 +4.1% since 2020
- Land area
- 564 sq mi 52nd largest of 83
- Water area
- 1,068 sq mi
- Population density
- 547 per sq mi
- Established
- 1831
- Same name
- One of 4 Ottawa Counties in the US
- Named after
- Odawa indigenous people in what is known as Michigan and Ontario
- Largest city
- Georgetown 55,682
- Median household income
- $90,502
- Cities and towns
- 7 plus 5 CDPs
- ZIP codes
- 25
- Time zone
- Eastern
- FIPS code
- 26139
Cities and towns in Ottawa County
Ottawa County has 7 incorporated cities, towns and villages. Populations count the people living inside Ottawa County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Holland | City | 27,343 | Allegan County |
| Grand Haven (county seat) | City | 11,038 | |
| Hudsonville | City | 7,964 | |
| Zeeland | City | 5,637 | |
| Coopersville | City | 4,802 | |
| Ferrysburg | City | 2,955 | |
| Spring Lake | Village | 2,504 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Allendale | 26,679 | |
| Jenison | 17,582 | |
| Beechwood | 2,776 | |
| Lamont | 1,177 | |
| Nunica | 295 |
ZIP codes in Ottawa County
25 ZIP codes reach into Ottawa County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 49315 also Kent and Allegan counties
- 49318 also Muskegon and Kent counties
- 49323 also Allegan County
- 49330 also Kent, Newaygo and Muskegon counties
- 49401
- 49403 also Muskegon and Kent counties
- 49404 also Muskegon County
- 49409
- 49415 also Muskegon County
- 49417
- 49418 also Kent County
- 49423 also Allegan County
- 49424
- 49426 also Allegan County
- 49428
- 49430
- 49434 also Allegan County
- 49435 also Kent County
- 49448 also Muskegon County
- 49451 also Muskegon and Newaygo counties
- 49456 also Muskegon County
- 49460
- 49464 also Allegan County
- 49534 also Kent County
- 49544 also Kent County
Population of Ottawa County, 2020–2025
Ottawa County grew by 12,264 people (+4.1%) between April 2020 and July 2025: 3,231 more births than deaths and a net gain of 8,847 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 296,893 |
| 2021 | 298,369 |
| 2022 | 300,837 |
| 2023 | 303,565 |
| 2024 | 306,190 |
| 2025 | 308,459 |
Neighboring counties
- Muskegon County north · 177,901 people
- Allegan County south · 123,188 people
- Kent County east · 675,232 people
- Milwaukee County, Wisconsin west · 924,216 people
- Racine County, Wisconsin west · 198,919 people
Printable Ottawa 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) (145 KB)
- PNG (2400 px) (86 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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