Michigan Population By County in 2021 (ACS-5Yrs)
Updated on July 2, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, the total population of Michigan was 10.06M. Among all Michigan counties, Wayne was the most populated county (1.79M), followed by Oakland (1.27M), and then Macomb (879.12K).
On the other hand, the least populated counties were: Keweenaw (2.05K), Luce (5.52K), and Ontonagon (5.89K).
The chart and table below shows the population of each county and the percentage of Michigan population in each county.
You can see similar information for other states and by state for the United States.
Related Topics: Michigan ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates, 2021 Census.
Michigan Population By County in 2021
Michigan Population By County in 2021
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| County | Population | % of State Population |
|---|---|---|
| Alcona | 10138 | 0.10 |
| Alger | 8911 | 0.09 |
| Allegan | 119418 | 1.19 |
| Alpena | 28913 | 0.29 |
| Antrim | 23427 | 0.23 |
| Arenac | 15009 | 0.15 |
| Baraga | 8249 | 0.08 |
| Barry | 62014 | 0.62 |
| Bay | 104050 | 1.03 |
| Benzie | 17926 | 0.18 |
| Berrien | 154263 | 1.53 |
| Branch | 44677 | 0.44 |
| Calhoun | 134207 | 1.33 |
| Cass | 51632 | 0.51 |
| Charlevoix | 26109 | 0.26 |
| Cheboygan | 25654 | 0.26 |
| Chippewa | 37091 | 0.37 |
| Clare | 30827 | 0.31 |
| Clinton | 78895 | 0.78 |
| Crawford | 13102 | 0.13 |
| Delta | 36836 | 0.37 |
| Dickinson | 25954 | 0.26 |
| Eaton | 108972 | 1.08 |
| Emmet | 33946 | 0.34 |
| Genesee | 406400 | 4.04 |
| Gladwin | 25344 | 0.25 |
| Gogebic | 14858 | 0.15 |
| Grand Traverse | 94562 | 0.94 |
| Gratiot | 41758 | 0.42 |
| Hillsdale | 45673 | 0.45 |
| Houghton | 37485 | 0.37 |
| Huron | 31542 | 0.31 |
| Ingham | 285660 | 2.84 |
| Ionia | 66564 | 0.66 |
| Iosco | 25262 | 0.25 |
| Iron | 11580 | 0.12 |
| Isabella | 65623 | 0.65 |
| Jackson | 160765 | 1.60 |
| Kalamazoo | 261280 | 2.60 |
| Kalkaska | 17813 | 0.18 |
| Kent | 654958 | 6.51 |
| Keweenaw | 2052 | 0.02 |
| Lake | 12248 | 0.12 |
| Lapeer | 88644 | 0.88 |
| Leelanau | 22251 | 0.22 |
| Lenawee | 99346 | 0.99 |
| Livingston | 193234 | 1.92 |
| Luce | 5520 | 0.06 |
| Mackinac | 10814 | 0.11 |
| Macomb | 879123 | 8.74 |
| Manistee | 24939 | 0.25 |
| Marquette | 66380 | 0.66 |
| Mason | 29103 | 0.29 |
| Mecosta | 40051 | 0.40 |
| Menominee | 23477 | 0.23 |
| Midland | 83467 | 0.83 |
| Missaukee | 15038 | 0.15 |
| Monroe | 154068 | 1.53 |
| Montcalm | 66430 | 0.66 |
| Montmorency | 9164 | 0.09 |
| Muskegon | 175633 | 1.75 |
| Newaygo | 49653 | 0.49 |
| Oakland | 1271983 | 12.64 |
| Oceana | 26555 | 0.26 |
| Ogemaw | 20745 | 0.21 |
| Ontonagon | 5891 | 0.06 |
| Osceola | 22917 | 0.23 |
| Oscoda | 8206 | 0.08 |
| Otsego | 25016 | 0.25 |
| Ottawa | 293713 | 2.92 |
| Presque Isle | 12976 | 0.13 |
| Roscommon | 23458 | 0.23 |
| Saginaw | 190540 | 1.89 |
| St. Clair | 160067 | 1.59 |
| St. Joseph | 60828 | 0.61 |
| Sanilac | 40829 | 0.41 |
| Schoolcraft | 8004 | 0.08 |
| Shiawassee | 68203 | 0.68 |
| Tuscola | 53288 | 0.53 |
| Van Buren | 75550 | 0.75 |
| Washtenaw | 372428 | 3.70 |
| Wayne | 1789781 | 17.79 |
| Wexford | 33552 | 0.33 |