Montmorency County, Michigan
County seat: Atlanta · Population 9,842 (2025) · 547 sq mi
Montmorency County is the 76th most populous of Michigan's 83 counties, with 9,842 people (2025 estimate). Its county seat is Atlanta. It is part of the Northeast (Region 3) region, one of the 10 Michigan prosperity regions. The map shows its 1 city or town and the 6 neighboring counties.
Montmorency County facts
- County seat
- Atlanta
- Population (2025 estimate)
- 9,842 +7.5% since 2020
- Land area
- 547 sq mi 61st largest of 83
- Water area
- 16 sq mi
- Population density
- 18 per sq mi
- Established
- 1840
- Named after
- House of Montmorency noble family
- Largest city
- Albert 2,637
- Median household income
- $49,756
- Cities and towns
- 1 plus 3 CDPs
- ZIP codes
- 5
- Time zone
- Eastern
- FIPS code
- 26119
Cities and towns in Montmorency County
Montmorency County has 1 incorporated place. Populations count the people living inside Montmorency County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Hillman | Village | 664 | Alpena County |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Lewiston | 1,201 | |
| Atlanta | 758 | |
| Canada Creek Ranch | 381 |
ZIP codes in Montmorency County
5 ZIP codes reach into Montmorency County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 48619 also Oscoda County
- 49709
- 49746 also Alpena County
- 49751 also Otsego County
- 49756 also Oscoda, Crawford and Otsego counties
Population of Montmorency County, 2020–2025
Montmorency County grew by 685 people (+7.5%) between April 2020 and July 2025: 611 more deaths than births and a net gain of 1,280 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 9,169 |
| 2021 | 9,307 |
| 2022 | 9,562 |
| 2023 | 9,698 |
| 2024 | 9,787 |
| 2025 | 9,842 |
Neighboring counties
- Alpena County east · 28,853 people
- Oscoda County south · 8,723 people
- Otsego County west · 26,080 people
- Presque Isle County northeast · 13,128 people
- Cheboygan County northwest · 25,793 people
- Crawford County southwest · 13,722 people
Printable Montmorency 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) (140 KB)
- PNG (2400 px) (67 KB)
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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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