Indiana Population By County in 2011

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2011, the population of Indiana was 6,517,250. Among all Indiana counties, Marion[object Promise] had the highest population (911,294), followed by Lake[object Promise] (495,035), and Allen[object Promise] (359,013). Ohio[object Promise] was the least populated county (6,055).

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.

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Indiana Population By County in 2011
Indiana Population By County in 2011
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County Population % of State Population
Adams 34370 0.53
Allen 359013 5.51
Bartholomew 77639 1.19
Benton 8859 0.14
Blackford 12655 0.19
Boone 57924 0.89
Brown 15079 0.23
Carroll 20042 0.31
Cass 38917 0.60
Clark 111504 1.71
Clay 26847 0.41
Clinton 33034 0.51
Crawford 10622 0.16
Daviess 31952 0.49
Dearborn 49990 0.77
Decatur 25900 0.40
DeKalb 42500 0.65
Delaware 117914 1.81
Dubois 42159 0.65
Elkhart 198292 3.04
Fayette 24152 0.37
Floyd 74987 1.15
Fountain 17161 0.26
Franklin 23041 0.35
Fulton 20734 0.32
Gibson 33525 0.51
Grant 69633 1.07
Greene 33034 0.51
Hamilton 283405 4.35
Hancock 70373 1.08
Harrison 39187 0.60
Hendricks 148678 2.28
Henry 49221 0.76
Howard 82805 1.27
Huntington 37169 0.57
Jackson 42922 0.66
Jasper 33429 0.51
Jay 21336 0.33
Jefferson 32273 0.50
Jennings 28154 0.43
Johnson 141747 2.17
Knox 38479 0.59
Kosciusko 77349 1.19
LaGrange 37470 0.57
Lake 495035 7.60
LaPorte 111328 1.71
Lawrence 46144 0.71
Madison 131013 2.01
Marion 911294 13.98
Marshall 46944 0.72
Martin 10339 0.16
Miami 36658 0.56
Monroe 140280 2.15
Montgomery 38340 0.59
Morgan 69237 1.06
Newton 14086 0.22
Noble 47297 0.73
Ohio 6055 0.09
Orange 19942 0.31
Owen 21489 0.33
Parke 17082 0.26
Perry 19429 0.30
Pike 12593 0.19
Porter 165535 2.54
Posey 25695 0.39
Pulaski 13226 0.20
Putnam 37868 0.58
Randolph 26030 0.40
Ripley 28646 0.44
Rush 17284 0.27
St. Joseph 266726 4.09
Scott 23909 0.37
Shelby 44277 0.68
Spencer 20971 0.32
Starke 23174 0.36
Steuben 34074 0.52
Sullivan 21216 0.33
Switzerland 10633 0.16
Tippecanoe 175892 2.70
Tipton 15817 0.24
Union 7497 0.12
Vanderburgh 180488 2.77
Vermillion 16072 0.25
Vigo 108350 1.66
Wabash 32574 0.50
Warren 8472 0.13
Warrick 60213 0.92
Washington 28201 0.43
Wayne 68661 1.05
Wells 27737 0.43
White 24594 0.38
Whitley 33357 0.51