Alger County, Michigan
Alger County: county in Michigan, United States
About
Alger County is a county located in the U.S. state of Michigan. As of the 2010 census, the population was 9,601 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 9,015 inhabitants. Its county seat is Munising. The county was created 141 years ago in 1885.
County Snapshot
Alger County at a glance
Alger County currently has 6 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
6
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Michigan counties
83
Open related pagesLargest city
MunisingPopulation 2,850
Top linked places
Quick Facts about Alger County
| Population | 9,015 (2020) |
| Country | United States of America |
| State | Michigan (United States) |
| Area | 13077 km2 |
| Water as percent of area | 82% |
| Land as percent of area | 18% |
| Latitude & Longitude | 46.4511,-86.5476 |
| Named for | Russell Alexander Alger |
| Altitude | 955 feet / 291 meters |
| Capital | Munising |
| Establishment | March 17, 1885 |
| Time Zone | America/Detroit |
| Local time | 19:26:06 (15th April 2026) |
| Density | 1 Pop. per km² as of 2020 |
| Population growth | -6.5% (2010-2020) |
| Weather | 53℉ Rain Showers Likely 7-days weather |
Geography
Alger County is located at 46°27'4"N 86°32'51"W (46.4511000, -86.5475500). It has 3 neighbors: Luce County, Marquette County and Schoolcraft County.
Alger County map
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The largest city of Alger County is Munising with a population of 2,850. Other cities include and Chatham population 203. See all Alger County cities & populated places.
Alger County Populated Places
Cities, towns, neighborhoods & other populated places in Alger County.
| City Name | Population | Title |
|---|---|---|
| Munising | 2,850 | City in Michigan |
| Au Train | 1,063 | Township in Alger County, Michigan |
| Star | 924 | Township in Alger County, Michigan |
| Limestone | 410 | Township in Alger County, Michigan |
| Onota | 329 | Township in Alger County, Michigan |
| Chatham | 203 | Village in Michigan, USA |
Weather
Rain showers likely. Mostly cloudy, with a high near 53.
7-Day ForecastOfficial website of Alger County
Official WebsiteDemographics
According to census records, the population of Alger County decreased by 6.5% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 9,601 | - | census |
| 2011 | 9,516 | -0.89% | estimation process |
| 2012 | 9,451 | -0.69% | estimation process |
| 2013 | 9,438 | -0.14% | estimation process |
| 2014 | 9,362 | -0.81% | estimation process |
| 2015 | 9,255 | -1.16% | estimation process |
| 2016 | 9,129 | -1.38% | estimation process |
| 2017 | 9,144 | 0.16% | estimation process |
| 2018 | 9,118 | -0.29% | estimation process |
| 2019 | 9,108 | -0.11% | estimation process |
| 2020 | 9,015 | -1.03% | estimation process |
Michigan Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Wayne County | 1,740,623 | County in Michigan, United States |
| Oakland County | 1,253,459 | County in Michigan, United States |
| Macomb County | 870,791 | County in Michigan, United States |
| Detroit | 665,369 | The twenty-fourth most populous city in the United States and the center of the Detroit metropolitan area. |
| Kent County | 658,708 | County in Michigan, United States |
| Genesee County | 404,794 | County in Michigan, United States |
| Washtenaw County | 366,473 | County in Michigan, United States |
| Ottawa County | 294,635 | County in Michigan, United States |
| Ingham County | 290,609 | County in Michigan, United States |
| Kalamazoo County | 265,988 | County in Michigan, United States |
| Grand Rapids | 200,031 | The second most populous city in Michigan. |
| Livingston County | 192,335 | County in Michigan, United States |
| Saginaw County | 189,868 | County in Michigan, United States |
| Muskegon County | 173,883 | County in Michigan, United States |
| Saint Clair County | 159,293 | County in Alabama, United States |
| Jackson County | 156,920 | County in Michigan, United States |