Indiana Population By County in 2016

Updated on January 29, 2024.

Based on the US Census Vintage data estimates, in 2016, the population of Indiana was 6,637,898. Among all Indiana counties, Marion[object Promise] had the highest population (946,050), followed by Lake[object Promise] (486,381), and Allen[object Promise] (369,526). Ohio[object Promise] was the least populated county (5,905).

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 2016
Indiana Population By County in 2016
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County Population % of State Population
Adams 35216 0.53
Allen 369526 5.57
Bartholomew 82373 1.24
Benton 8659 0.13
Blackford 12109 0.18
Boone 64274 0.97
Brown 15017 0.23
Carroll 19966 0.30
Cass 37927 0.57
Clark 115660 1.74
Clay 26218 0.40
Clinton 32156 0.48
Crawford 10569 0.16
Daviess 33000 0.50
Dearborn 49468 0.75
Decatur 26569 0.40
DeKalb 42671 0.64
Delaware 115696 1.74
Dubois 42463 0.64
Elkhart 203626 3.07
Fayette 23246 0.35
Floyd 76801 1.16
Fountain 16464 0.25
Franklin 22774 0.34
Fulton 20150 0.30
Gibson 33669 0.51
Grant 66731 1.00
Greene 32231 0.49
Hamilton 316221 4.76
Hancock 73790 1.11
Harrison 39669 0.60
Hendricks 160459 2.42
Henry 48349 0.73
Howard 82395 1.24
Huntington 36313 0.55
Jackson 43991 0.66
Jasper 33414 0.50
Jay 21021 0.32
Jefferson 32259 0.49
Jennings 27682 0.42
Johnson 151621 2.28
Knox 37367 0.56
Kosciusko 78764 1.19
LaGrange 39122 0.59
Lake 486381 7.33
LaPorte 110331 1.66
Lawrence 45560 0.69
Madison 129360 1.95
Marion 946050 14.25
Marshall 46629 0.70
Martin 10195 0.15
Miami 36047 0.54
Monroe 145936 2.20
Montgomery 38240 0.58
Morgan 69653 1.05
Newton 14009 0.21
Noble 47432 0.72
Ohio 5905 0.09
Orange 19470 0.29
Owen 20898 0.32
Parke 16938 0.26
Perry 19008 0.29
Pike 12371 0.19
Porter 167616 2.53
Posey 25626 0.39
Pulaski 12613 0.19
Putnam 37151 0.56
Randolph 25091 0.38
Ripley 28412 0.43
Rush 16628 0.25
St. Joseph 270042 4.07
Scott 23700 0.36
Shelby 44241 0.67
Spencer 20496 0.31
Starke 23023 0.35
Steuben 34372 0.52
Sullivan 20695 0.31
Switzerland 10650 0.16
Tippecanoe 190475 2.87
Tipton 15161 0.23
Union 7162 0.11
Vanderburgh 181536 2.74
Vermillion 15588 0.24
Vigo 107871 1.63
Wabash 31569 0.48
Warren 8166 0.12
Warrick 62046 0.94
Washington 27719 0.42
Wayne 66723 1.00
Wells 27863 0.42
White 24105 0.36
Whitley 33479 0.50