Indiana 2019 Population By County
Updated on June 22, 2021.

According to the US Census Bureau population estimates, there were 6,732,219 people living in Indiana in 2019. Marion County was the most populated county with 964,582 residents, followed by Lake County with 485,493 residents, and Allen County with 379,299 residents. Ohio County with a population of 5,875 was the least populated county in Indiana in 2019.

Use the map below to interactively explore the population of each county in Indiana in 2019. The data can also be explored further by sorting and filtering with the table below.

Indiana 2019 Population By County
See also Population estimate for other years:
Table of Indiana 2019 Population By County
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County Population % of State Population
Adams 35,777 0.53%
Allen 379,299 5.63%
Bartholomew 83,779 1.24%
Benton 8,748 0.13%
Blackford 11,758 0.18%
Boone 67,843 1.01%
Brown 15,092 0.22%
Carroll 20,257 0.30%
Cass 37,689 0.56%
Clark 118,302 1.76%
Clay 26,225 0.39%
Clinton 32,399 0.48%
Crawford 10,577 0.16%
Daviess 33,351 0.50%
Dearborn 49,458 0.74%
Decatur 26,559 0.40%
DeKalb 43,475 0.65%
Delaware 114,135 1.70%
Dubois 42,736 0.64%
Elkhart 206,341 3.07%
Fayette 23,102 0.34%
Floyd 78,522 1.17%
Fountain 16,346 0.24%
Franklin 22,758 0.34%
Fulton 19,974 0.30%
Gibson 33,659 0.50%
Grant 65,769 0.98%
Greene 31,922 0.47%
Hamilton 338,011 5.02%
Hancock 78,168 1.16%
Harrison 40,515 0.60%
Hendricks 170,311 2.53%
Henry 47,972 0.71%
Howard 82,544 1.23%
Huntington 36,520 0.54%
Jackson 44,231 0.66%
Jasper 33,562 0.50%
Jay 20,436 0.30%
Jefferson 32,308 0.48%
Jennings 27,735 0.41%
Johnson 158,167 2.35%
Knox 36,594 0.54%
Kosciusko 79,456 1.18%
LaGrange 39,614 0.59%
Lake 485,493 7.21%
LaPorte 109,888 1.63%
Lawrence 45,370 0.67%
Madison 129,569 1.93%
Marion 964,582 14.33%
Marshall 46,258 0.69%
Martin 10,255 0.15%
Miami 35,516 0.53%
Monroe 148,431 2.21%
Montgomery 38,338 0.57%
Morgan 70,489 1.05%
Newton 13,984 0.21%
Noble 47,744 0.71%
Ohio 5,875 0.09%
Orange 19,646 0.29%
Owen 20,799 0.31%
Parke 16,937 0.25%
Perry 19,169 0.28%
Pike 12,389 0.18%
Porter 170,389 2.53%
Posey 25,427 0.38%
Pulaski 12,353 0.18%
Putnam 37,576 0.56%
Randolph 24,665 0.37%
Ripley 28,324 0.42%
Rush 16,581 0.25%
St. Joseph 271,826 4.04%
Scott 23,873 0.36%
Shelby 44,729 0.66%
Spencer 20,277 0.30%
Starke 22,995 0.34%
Steuben 34,594 0.51%
Sullivan 20,669 0.31%
Switzerland 10,751 0.16%
Tippecanoe 195,732 2.91%
Tipton 15,148 0.23%
Union 7,054 0.11%
Vanderburgh 181,451 2.70%
Vermillion 15,498 0.23%
Vigo 107,038 1.59%
Wabash 30,996 0.46%
Warren 8,265 0.12%
Warrick 62,998 0.94%
Washington 28,036 0.42%
Wayne 65,884 0.98%
Wells 28,296 0.42%
White 24,102 0.36%
Whitley 33,964 0.50%