Indiana Population By County in 2013

Updated on June 16, 2025.

Based on the US Census Vintage data estimates, in 2013, the population of Indiana was 6,570,575. Among all Indiana counties, Marion had the highest population (930,127), followed by Lake (491,909), and Allen (363,432).

Hover over or click on the counties in the map below to see the populations. The data can also be found in a table below. You can use the table to sort, filter, and explore the data further.

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

Related Topics: Indiana Census Vintage Data Topic List.

Data Source: US Census Bureau (Vintage).

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Indiana Population By County in 2013

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County	Population	% of State Population
Adams	34655	0.53
Allen	363432	5.53
Bartholomew	79692	1.21
Benton	8752	0.13
Blackford	12456	0.19
Boone	60373	0.92
Brown	15062	0.23
Carroll	20117	0.31
Cass	38580	0.59
Clark	112722	1.72
Clay	26670	0.41
Clinton	32765	0.50
Crawford	10621	0.16
Daviess	32274	0.49
Dearborn	49757	0.76
Decatur	26232	0.40
DeKalb	42378	0.65
Delaware	116867	1.78
Dubois	42281	0.64
Elkhart	200225	3.05
Fayette	23827	0.36
Floyd	76053	1.16
Fountain	16886	0.26
Franklin	22980	0.35
Fulton	20455	0.31
Gibson	33491	0.51
Grant	68887	1.05
Greene	32746	0.50
Hamilton	296970	4.52
Hancock	71000	1.08
Harrison	39002	0.59
Hendricks	153596	2.34
Henry	48847	0.74
Howard	82761	1.26
Huntington	36786	0.56
Jackson	43450	0.66
Jasper	33432	0.51
Jay	21267	0.32
Jefferson	32399	0.49
Jennings	28238	0.43
Johnson	145448	2.21
Knox	38070	0.58
Kosciusko	77873	1.19
LaGrange	38089	0.58
Lake	491909	7.49
LaPorte	111452	1.70
Lawrence	45900	0.70
Madison	130331	1.98
Marion	930127	14.16
Marshall	46921	0.71
Martin	10238	0.16
Miami	36191	0.55
Monroe	142185	2.16
Montgomery	38143	0.58
Morgan	69352	1.06
Newton	14032	0.21
Noble	47246	0.72
Ohio	5992	0.09
Orange	19830	0.30
Owen	21152	0.32
Parke	17235	0.26
Perry	19424	0.30
Pike	12490	0.19
Porter	166538	2.54
Posey	25565	0.39
Pulaski	12935	0.20
Putnam	37508	0.57
Randolph	25618	0.39
Ripley	28297	0.43
Rush	16998	0.26
St. Joseph	267188	4.07
Scott	23761	0.36
Shelby	44336	0.68
Spencer	20765	0.32
Starke	23146	0.35
Steuben	34383	0.52
Sullivan	21138	0.32
Switzerland	10598	0.16
Tippecanoe	182043	2.77
Tipton	15544	0.24
Union	7311	0.11
Vanderburgh	181633	2.76
Vermillion	15853	0.24
Vigo	108251	1.65
Wabash	32281	0.49
Warren	8370	0.13
Warrick	60877	0.93
Washington	27788	0.42
Wayne	67829	1.03
Wells	27716	0.42
White	24404	0.37
Whitley	33287	0.51