County Census Records
Indiana Counties
92 counties with population data from the decennial US Census, 1790 to 2020.
92 counties
Population as of 2020 census
Adams
35,809
Allen
385,410
Bartholomew
82,208
Benton
8,719
Blackford
12,112
Boone
70,812
Brown
15,475
Carroll
20,306
Cass
37,870
Clark
121,093
Clay
26,466
Clinton
33,190
Crawford
10,526
Daviess
33,381
Dearborn
50,679
Decatur
26,472
DeKalb
43,265
Delaware
111,903
Dubois
43,637
Elkhart
207,047
Fayette
23,398
Floyd
80,484
Fountain
16,479
Franklin
22,785
Fulton
20,480
Gibson
33,011
Grant
66,674
Greene
30,803
Hamilton
347,467
Hancock
79,840
Harrison
39,654
Hendricks
174,788
Henry
48,914
Howard
83,658
Huntington
36,662
Jackson
46,428
Jasper
32,918
Jay
20,478
Jefferson
33,147
Jennings
27,613
Johnson
161,765
Knox
36,282
Kosciusko
80,240
LaGrange
40,446
Lake
498,700
LaPorte
112,417
Lawrence
45,011
Madison
130,129
Marion
977,203
Marshall
46,095
Martin
9,812
Miami
35,962
Monroe
139,718
Montgomery
37,936
Morgan
71,780
Newton
13,830
Noble
47,457
Ohio
5,940
Orange
19,867
Owen
21,321
Parke
16,156
Perry
19,170
Pike
12,250
Porter
173,215
Posey
25,222
Pulaski
12,514
Putnam
36,726
Randolph
24,502
Ripley
28,995
Rush
16,752
Scott
24,384
Shelby
45,055
Spencer
19,810
St. Joseph
272,912
Starke
23,371
Steuben
34,435
Sullivan
20,817
Switzerland
9,737
Tippecanoe
186,251
Tipton
15,359
Union
7,087
Vanderburgh
180,136
Vermillion
15,439
Vigo
106,153
Wabash
30,976
Warren
8,440
Warrick
63,898
Washington
28,182
Wayne
66,553
Wells
28,180
White
24,688
Whitley
34,191
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Native Heritage
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