Ranking of Indiana Counties By Population in 2018
Updated on January 28, 2024.
Based on the US Census Vintage data estimates, in 2018, the Population for Indiana was 6.70M. Among all Indiana counties, Marion County had the highest population (959.37K), followed by Lake County (484.92K), and Allen County (375.08K).
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.
Related Topics: Indiana Census Vintage Data Topic List.
Data Source: US Census Bureau (Vintage), 2018 Census.
See this for other years:
Ranking of Indiana Counties By Population in 2018
Items per page:
0 of 0
| Rank | County | Population |
|---|---|---|
| 1 | Marion County | 959370 |
| 2 | Lake County | 484918 |
| 3 | Allen County | 375076 |
| 4 | Hamilton County | 330635 |
| 5 | St. Joseph County | 270961 |
| 6 | Elkhart County | 205588 |
| 7 | Tippecanoe County | 193705 |
| 8 | Vanderburgh County | 181165 |
| 9 | Porter County | 169647 |
| 10 | Hendricks County | 166759 |
| 11 | Johnson County | 156301 |
| 12 | Monroe County | 147411 |
| 13 | Madison County | 129509 |
| 14 | Clark County | 117287 |
| 15 | Delaware County | 114118 |
| 16 | LaPorte County | 110134 |
| 17 | Vigo County | 107438 |
| 18 | Bartholomew County | 83062 |
| 19 | Howard County | 82339 |
| 20 | Kosciusko County | 79467 |
| 21 | Floyd County | 77870 |
| 22 | Hancock County | 76521 |
| 23 | Morgan County | 70108 |
| 24 | Boone County | 66999 |
| 25 | Wayne County | 66131 |
| 26 | Grant County | 66112 |
| 27 | Warrick County | 62443 |
| 28 | Dearborn County | 49560 |
| 29 | Henry County | 48205 |
| 30 | Noble County | 47649 |
| 31 | Marshall County | 46311 |
| 32 | Lawrence County | 45690 |
| 33 | Shelby County | 44535 |
| 34 | Jackson County | 44049 |
| 35 | DeKalb County | 43231 |
| 36 | Dubois County | 42568 |
| 37 | Harrison County | 40258 |
| 38 | LaGrange County | 39425 |
| 39 | Montgomery County | 38251 |
| 40 | Cass County | 37885 |
| 41 | Putnam County | 37494 |
| 42 | Knox County | 36602 |
| 43 | Huntington County | 36249 |
| 44 | Miami County | 35652 |
| 45 | Adams County | 35565 |
| 46 | Steuben County | 34570 |
| 47 | Whitley County | 34036 |
| 48 | Gibson County | 33622 |
| 49 | Jasper County | 33356 |
| 50 | Daviess County | 33314 |
| 51 | Jefferson County | 32169 |
| 52 | Greene County | 32124 |
| 53 | Clinton County | 32113 |
| 54 | Wabash County | 31210 |
| 55 | Ripley County | 28526 |
| 56 | Wells County | 27982 |
| 57 | Washington County | 27936 |
| 58 | Jennings County | 27650 |
| 59 | Decatur County | 26685 |
| 60 | Clay County | 26215 |
| 61 | Posey County | 25529 |
| 62 | Randolph County | 24736 |
| 63 | White County | 24168 |
| 64 | Scott County | 23773 |
| 65 | Fayette County | 23026 |
| 66 | Starke County | 22953 |
| 67 | Franklin County | 22752 |
| 68 | Owen County | 20879 |
| 69 | Jay County | 20721 |
| 70 | Sullivan County | 20673 |
| 71 | Spencer County | 20385 |
| 72 | Carroll County | 20208 |
| 73 | Fulton County | 20113 |
| 74 | Orange County | 19567 |
| 75 | Perry County | 19100 |
| 76 | Parke County | 16955 |
| 77 | Rush County | 16635 |
| 78 | Fountain County | 16439 |
| 79 | Vermillion County | 15508 |
| 80 | Brown County | 15244 |
| 81 | Tipton County | 15100 |
| 82 | Newton County | 13979 |
| 83 | Pulaski County | 12502 |
| 84 | Pike County | 12384 |
| 85 | Blackford County | 11934 |
| 86 | Switzerland County | 10757 |
| 87 | Crawford County | 10585 |
| 88 | Martin County | 10204 |
| 89 | Benton County | 8677 |
| 90 | Warren County | 8268 |
| 91 | Union County | 7086 |
| 92 | Ohio County | 5880 |