Michigan Citizen Population By County in 2018 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2018, the citizen population for Michigan was 9,634,620 and represented 96.76% of the total Michigan population.

Among all Michigan counties, Wayne had the highest citizen population (1.69M), followed by Oakland (1.18M), and Macomb (834.51K).

In terms of percentages, Schoolcraft had the highest percentage of its population being citizens (99.88%), followed by Gladwin (99.86%), and Otsego (99.73%).

The chart and table below shows the citizen population of each county and the percentage of each county's population that were citizens.

You can see similar information for other states and by state for the United States.

You may also be interested in:
Michigan Citizen Voting-age Population By County in 2018

Data Source: US Census - ACS 5-Year (CVAP).

See this for other years:

Michigan Citizen Population By County in 2018

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County	Citizen Population	% of County Population
Wayne	1691215	96.02
Oakland	1175025	93.94
Macomb	834510	96.06
Kent	610805	94.97
Genesee	405835	99.14
Washtenaw	341025	93.19
Ottawa	276335	97.29
Ingham	272520	94.11
Kalamazoo	254325	97.23
Saginaw	190320	98.72
Livingston	186655	99.03
Muskegon	171460	99.08
St. Clair	157920	98.97
Jackson	157440	99.07
Berrien	149300	96.44
Monroe	148355	99.10
Calhoun	131295	97.64
Allegan	113175	98.20
Eaton	106995	98.02
Bay	104170	99.41
Lenawee	97255	98.76
Grand Traverse	90480	98.62
Lapeer	86905	98.53
Midland	81270	97.46
Clinton	76565	98.29
Van Buren	72985	96.96
Isabella	69205	97.78
Shiawassee	68220	99.60
Marquette	66405	99.20
Ionia	63715	99.28
Montcalm	62770	99.30
Barry	59540	99.14
St. Joseph	59435	97.60
Tuscola	53035	99.60
Cass	51025	99.16
Newaygo	47595	98.87
Hillsdale	45570	99.43
Branch	42825	98.26
Mecosta	42795	98.91
Sanilac	41000	99.09
Gratiot	40850	99.48
Chippewa	37305	98.60
Delta	36030	99.56
Houghton	35140	96.65
Wexford	32940	99.49
Emmet	32795	99.26
Huron	31300	99.22
Clare	30490	99.59
Mason	28610	99.05
Alpena	28395	99.25
Charlevoix	25975	99.07
Dickinson	25475	99.63
Cheboygan	25340	99.53
Gladwin	25255	99.86
Oceana	25165	95.27
Iosco	24940	98.79
Otsego	24330	99.73
Manistee	24210	99.04
Roscommon	23730	99.39
Menominee	23145	99.61
Osceola	23130	99.57
Antrim	22970	99.12
Leelanau	21320	98.52
Ogemaw	20810	99.43
Benzie	17450	99.43
Kalkaska	17280	98.94
Gogebic	15325	99.42
Arenac	15105	99.60
Missaukee	14870	99.10
Crawford	13750	99.39
Presque Isle	12710	99.34
Lake	11670	99.19
Iron	11130	99.29
Mackinac	10615	98.15
Alcona	10315	99.52
Montmorency	9220	99.57
Alger	9145	99.46
Baraga	8460	99.47
Oscoda	8230	99.46
Schoolcraft	8060	99.88
Luce	6295	98.90
Ontonagon	5940	99.50
Keweenaw	2115	99.30