Michigan Voting-age Population By County in 2021 (ACS-5Yrs)

Updated on February 28, 2025.

Based on the US Census ACS-5Yrs estimates, in 2021, the voting-age population of Michigan was 7.87M which was 78.25% of the total Michigan population. Among all Michigan counties, Wayne had the highest voting-age population (1.36M), followed by Oakland (1.01M), and Macomb (693.31K).

On the other hand, the counties with the least voting-age population were: Keweenaw (1.74K), Luce (4.60K), and Ontonagon (5.20K).

The chart and table below shows the voting-age population of each county and the percentage of each county's population that are of voting-age.

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 Voting-age Population By County in 2021

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County	Voting-age Population	% of County Population
Alcona	8830	87.10
Alger	7511	84.29
Allegan	90575	75.85
Alpena	23446	81.09
Antrim	19238	82.12
Arenac	12243	81.57
Baraga	6829	82.79
Barry	48293	77.87
Bay	82974	79.74
Benzie	14697	81.99
Berrien	120546	78.14
Branch	34218	76.59
Calhoun	103416	77.06
Cass	40850	79.12
Charlevoix	21218	81.27
Cheboygan	21438	83.57
Chippewa	30324	81.76
Clare	24633	79.91
Clinton	61264	77.65
Crawford	10714	81.77
Delta	29552	80.23
Dickinson	20755	79.97
Eaton	86203	79.11
Emmet	27491	80.99
Genesee	314323	77.34
Gladwin	20524	80.98
Gogebic	12450	83.79
Grand Traverse	75486	79.83
Gratiot	33548	80.34
Hillsdale	35722	78.21
Houghton	29812	79.53
Huron	25445	80.67
Ingham	229002	80.17
Ionia	51758	77.76
Iosco	21061	83.37
Iron	9590	82.82
Isabella	54089	82.42
Jackson	125987	78.37
Kalamazoo	204443	78.25
Kalkaska	14123	79.29
Kent	496712	75.84
Keweenaw	1743	84.94
Lake	10227	83.50
Lapeer	70329	79.34
Leelanau	18662	83.87
Lenawee	78344	78.86
Livingston	152312	78.82
Luce	4604	83.41
Mackinac	9138	84.50
Macomb	693313	78.86
Manistee	20604	82.62
Marquette	54412	81.97
Mason	23165	79.60
Mecosta	32552	81.28
Menominee	19200	81.78
Midland	65542	78.52
Missaukee	11584	77.03
Monroe	121061	78.58
Montcalm	51629	77.72
Montmorency	7755	84.63
Muskegon	135036	76.89
Newaygo	38456	77.45
Oakland	1005730	79.07
Oceana	20597	77.56
Ogemaw	16902	81.47
Ontonagon	5197	88.22
Osceola	17760	77.50
Oscoda	6603	80.47
Otsego	19731	78.87
Ottawa	223350	76.04
Presque Isle	10917	84.13
Roscommon	19927	84.95
Saginaw	149259	78.33
St. Clair	126613	79.10
St. Joseph	45863	75.40
Sanilac	32049	78.50
Schoolcraft	6613	82.62
Shiawassee	53796	78.88
Tuscola	42357	79.49
Van Buren	57826	76.54
Washtenaw	302814	81.31
Wayne	1363035	76.16
Wexford	25716	76.65