Ranking of Indiana Counties By Population in 2023

Updated on August 1, 2024.

Based on the US Census Vintage data estimates, in 2023, the Population for Indiana was 6.86M. Among all Indiana counties, Marion County had the highest population (968.46K), followed by Lake County (500.60K), and Allen County (394.55K).

The chart below shows the top 10 counties, and the table below shows the ranking of all Indiana counties.

You can see similar ranking information for related topics, and for other states. You can also see the ranking of all counties in the United States.

See this for other years:
Ranking of Indiana Counties By Population in 2023
Marion
Lake
Allen
Hamilton
St. Joseph
Elkhart
Tippecanoe
Hendricks
Vanderburgh
Porter
Ranking of Indiana Counties By Population in 2023
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Rank County Population
1 Marion County 968460
2 Lake County 500598
3 Allen County 394545
4 Hamilton County 371645
5 St. Joseph County 272848
6 Elkhart County 206409
7 Tippecanoe County 188792
8 Hendricks County 186387
9 Vanderburgh County 179810
10 Porter County 175335
11 Johnson County 167819
12 Monroe County 139342
13 Madison County 132504
14 Clark County 125467
15 Delaware County 112321
16 LaPorte County 111706
17 Vigo County 106153
18 Hancock County 86166
19 Bartholomew County 84003
20 Howard County 83831
21 Floyd County 80809
22 Kosciusko County 80364
23 Boone County 76120
24 Morgan County 73227
25 Grant County 66200
26 Wayne County 66127
27 Warrick County 65867
28 Dearborn County 51215
29 Henry County 48929
30 Noble County 47430
31 Jackson County 46460
32 Marshall County 46352
33 Shelby County 45231
34 Lawrence County 45084
35 DeKalb County 44198
36 Dubois County 43546
37 LaGrange County 40907
38 Harrison County 40006
39 Montgomery County 38573
40 Cass County 37666
41 Putnam County 37567
42 Huntington County 36781
43 Adams County 36288
44 Knox County 36070
45 Miami County 35402
46 Steuben County 34917
47 Whitley County 34742
48 Daviess County 33656
49 Jasper County 33535
50 Jefferson County 33056
51 Gibson County 32904
52 Clinton County 32730
53 Greene County 31196
54 Wabash County 30670
55 Ripley County 29227
56 Wells County 28555
57 Washington County 28205
58 Jennings County 27622
59 Clay County 26460
60 Decatur County 26399
61 Posey County 25040
62 White County 24917
63 Scott County 24657
64 Randolph County 24216
65 Fayette County 23362
66 Starke County 23206
67 Franklin County 23096
68 Owen County 21532
69 Sullivan County 20757
70 Carroll County 20525
71 Fulton County 20358
72 Jay County 20032
73 Spencer County 19910
74 Orange County 19638
75 Perry County 19209
76 Rush County 16847
77 Fountain County 16731
78 Parke County 16484
79 Brown County 15653
80 Vermillion County 15417
81 Tipton County 15256
82 Newton County 13960
83 Pulaski County 12385
84 Pike County 12106
85 Blackford County 11893
86 Crawford County 10438
87 Switzerland County 10019
88 Martin County 9897
89 Benton County 8729
90 Warren County 8518
91 Union County 6973
92 Ohio County 6004