Ontonagon County, Michigan
Ontonagon County: county in Michigan, United States
About
Ontonagon County is a county located in the U.S. state of Michigan. As of the 2010 census, the population was 6,780 and a population density of 1 people per km². After 10 years in 2020 county had an estimated population of 5,656 inhabitants. Its county seat is Ontonagon. The county was created 183 years ago in 1843.
County Snapshot
Ontonagon County at a glance
Ontonagon 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
OntonagonPopulation 1,234
Top linked places
Quick Facts about Ontonagon County
| Population | 5,656 (2020) |
| Country | United States of America |
| State | Michigan (United States) |
| Area | 9690 km2 |
| Water as percent of area | 65% |
| Land as percent of area | 35% |
| Latitude & Longitude | 46.7775,-89.3051 |
| Named for | Ontonagon River |
| Altitude | 1,414 feet / 431 meters |
| Capital | Ontonagon |
| Establishment | March 09, 1843 |
| Time Zone | America/Detroit |
| Local time | 18:15:15 (17th April 2026) |
| Density | 1 Pop. per km² as of 2020 |
| Population growth | -19.87% (2010-2020) |
Geography
Ontonagon County is located at 46°46'39"N 89°18'18"W (46.7774900, -89.3051100). It has 6 neighbors: Gogebic County, Houghton County, Iron County, Keweenaw County, Cook County and Ashland County.
Ontonagon County map
The largest city of Ontonagon County is Ontonagon with a population of 1,234. Other cities include and Bergland population 393. See all Ontonagon County cities & populated places.
Ontonagon County Populated Places
Cities, towns, neighborhoods & other populated places in Ontonagon County.
| City Name | Population | Title |
|---|---|---|
| Ontonagon | 1,234 | Village in Michigan |
| Green | 1,182 | Civil township in Alpena County, Michigan |
| Greenland | 644 | Township in Ontonagon County, Michigan |
| Bergland | 393 | Human settlement in Ontonagon County, Michigan, United States of America |
| Rockland | 189 | Civil township in Ontonagon County, Michigan, United States |
| Matchwood | 77 | Township in Ontonagon County, Michigan |
Official website of Ontonagon County
Official WebsiteDemographics
According to census records, the population of Ontonagon County decreased by 19.87% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 6,780 | - | census |
| 2011 | 6,628 | -2.29% | estimation process |
| 2012 | 6,413 | -3.35% | estimation process |
| 2013 | 6,321 | -1.46% | estimation process |
| 2014 | 6,192 | -2.08% | estimation process |
| 2015 | 6,037 | -2.57% | estimation process |
| 2016 | 5,939 | -1.65% | estimation process |
| 2017 | 5,889 | -0.85% | estimation process |
| 2018 | 5,801 | -1.52% | estimation process |
| 2019 | 5,720 | -1.42% | estimation process |
| 2020 | 5,656 | -1.13% | 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 |