Indiana Citizen Population By County in 2024 (ACS-5Yrs)

Updated on March 28, 2026.

Based on the US Census Bureau's special tabulation from the ACS 5-year estimates, in 2024, the citizen population for Indiana was 6,597,269 and represented 96.30% of the total Indiana population.

Among all Indiana counties, Marion had the highest citizen population (892.65K), followed by Lake (484.67K), and Allen (376.85K).

In terms of percentages, Pike had the highest percentage of its population being citizens (100.00%), followed by Crawford (99.98%), and Clay (99.83%).

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:
Indiana Citizen Voting-age Population By County in 2024

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

See this for other years:

Indiana Citizen Population By County in 2024

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County	Citizen Population	% of County Population
Marion	892645	91.48
Lake	484668	96.86
Allen	376852	96.04
Hamilton	346093	94.81
St. Joseph	261863	95.91
Elkhart	194561	93.93
Hendricks	177651	96.90
Vanderburgh	176254	97.86
Tippecanoe	172858	91.43
Porter	172013	98.40
Johnson	161939	97.37
Monroe	133329	94.59
Madison	130383	98.85
Clark	121196	97.46
Delaware	110579	98.48
LaPorte	109847	98.15
Vigo	104283	98.28
Howard	83127	99.25
Hancock	83035	98.81
Floyd	79790	98.61
Kosciusko	77838	96.76
Bartholomew	76606	91.71
Boone	73171	97.93
Morgan	72175	99.33
Wayne	65283	98.32
Grant	65175	98.31
Warrick	64254	98.46
Dearborn	50919	99.66
Henry	48682	99.41
Noble	45790	96.42
Lawrence	44902	99.56
Marshall	44646	96.46
Shelby	44230	97.71
DeKalb	43577	99.47
Jackson	43061	92.29
Dubois	41995	96.28
LaGrange	40289	98.73
Harrison	39506	99.12
Montgomery	37553	98.02
Putnam	36824	98.78
Huntington	36448	99.04
Adams	35884	99.06
Knox	35577	98.81
Cass	35425	94.01
Miami	35343	98.97
Whitley	34540	99.78
Steuben	34303	98.78
Daviess	32737	97.27
Jefferson	32683	99.04
Gibson	32673	99.02
Jasper	32324	97.27
Greene	30774	99.21
Wabash	30674	99.45
Clinton	30545	92.71
Ripley	28959	99.53
Washington	28112	99.65
Wells	28020	98.58
Jennings	27274	98.96
Clay	26363	99.83
Decatur	26196	99.16
Posey	25052	99.75
Scott	24303	99.09
Randolph	23985	98.35
White	23527	95.19
Fayette	23159	99.26
Starke	23062	98.70
Franklin	22933	99.63
Owen	21566	99.82
Sullivan	20724	99.72
Carroll	20396	99.33
Jay	20083	99.28
Fulton	20059	98.75
Spencer	19713	98.80
Orange	19687	99.61
Perry	19206	99.66
Rush	16634	99.40
Fountain	16523	99.44
Parke	16351	99.68
Brown	15538	99.55
Vermillion	15329	99.41
Tipton	15209	99.09
Newton	13642	98.00
Pulaski	12238	98.37
Pike	12152	100.00
Blackford	11818	98.89
Crawford	10496	99.98
Switzerland	9877	99.68
Martin	9793	99.59
Benton	8547	97.84
Warren	8448	99.79
Union	6914	98.98
Ohio	5984	99.72