| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Jackson | city | Indiana | United States | 39.065 | -85.44139 | 800 | 1587 |
| Jackson Hill | city | Indiana | United States | 39.16833 | -87.36194 | 521 | 3237 |
| Jacksonburg | city | Indiana | United States | 39.85306 | -85.10583 | 997 | 3028 |
| Jacksons | city | Indiana | United States | 40.32917 | -86.06111 | 872 | 5518 |
| Jacksonville | city | Indiana | United States | 38.82889 | -85.04889 | 767 | 1566 |
| Jadden | city | Indiana | United States | 40.53611 | -85.4575 | 898 | 2416 |
| Jalapa | city | Indiana | United States | 40.62778 | -85.74556 | 797 | 4010 |
| Jamestown | city | Indiana | United States | 39.92667 | -86.62889 | 941 | 2264 |
| Jamestown | city | Indiana | United States | 41.63556 | -86.02278 | 748 | 32567 |
| Jamestown | city | Indiana | United States | 41.74833 | -85.0175 | 997 | 5639 |
| Janney | city | Indiana | United States | 40.365 | -85.54389 | 866 | 3799 |
| Jarretts | city | Indiana | United States | 38.12083 | -87.35861 | 449 | 4738 |
| Jasonville | city | Indiana | United States | 39.16306 | -87.19917 | 620 | 4418 |
| Jasper | city | Indiana | United States | 38.39139 | -86.93111 | 449 | 12511 |
| Jay City | city | Indiana | United States | 40.56722 | -84.84861 | 846 | 1964 |
| Jeff | city | Indiana | United States | 40.60528 | -85.35306 | 846 | 1378 |
| Jefferson | city | Indiana | United States | 40.27944 | -86.59 | 849 | 2170 |
| Jeffersonville | city | Indiana | United States | 38.2775 | -85.73722 | 416 | 144467 |
| Jenkinsville | city | Indiana | United States | 39.53278 | -86.87528 | 803 | 2597 |
| Jericho | city | Indiana | United States | 39.06139 | -87.2975 | 564 | 1488 |
| Jericho | city | Indiana | United States | 38.19917 | -86.42444 | 547 | 971 |
| Jerome | city | Indiana | United States | 40.45528 | -85.93083 | 846 | 3109 |
| Jessup | city | Indiana | United States | 39.65722 | -87.25667 | 554 | 2417 |
| Jewell Village | city | Indiana | United States | 39.19861 | -85.84972 | 600 | 22761 |
| Jimtown | city | Indiana | United States | 38.27306 | -87.85306 | 377 | 1277 |
| Jockey | city | Indiana | United States | 38.17833 | -87.16333 | 433 | 1312 |
| Johnsburg | city | Indiana | United States | 38.21778 | -86.95556 | 544 | 5575 |
| Johnson | city | Indiana | United States | 38.27778 | -87.74583 | 449 | 1182 |
| Johnsonville | city | Indiana | United States | 40.2275 | -87.48639 | 659 | 1019 |
| Johnstown | city | Indiana | United States | 38.76444 | -87.32333 | 479 | 4732 |
| Johnstown | city | Indiana | United States | 39.16667 | -87.00889 | 551 | 1567 |
| Jolietville | city | Indiana | United States | 40.04194 | -86.23111 | 925 | 6489 |
| Jolleyville | city | Indiana | United States | 38.99417 | -85.35944 | 895 | 1078 |
| Jonesboro | city | Indiana | United States | 40.47972 | -85.62778 | 846 | 22702 |
| Jonestown | city | Indiana | United States | 39.70917 | -87.50389 | 620 | 2038 |
| Jonesville | city | Indiana | United States | 39.06056 | -85.88972 | 580 | 2987 |
| Joppa | city | Indiana | United States | 39.63222 | -86.43222 | 705 | 13433 |
| Jordan | city | Indiana | United States | 38.68861 | -87.20694 | 456 | 10847 |
| Jordan | city | Indiana | United States | 39.39833 | -86.91667 | 643 | 1494 |
| Judah | city | Indiana | United States | 38.96083 | -86.53722 | 675 | 4706 |
| Judson | city | Indiana | United States | 39.81306 | -87.13444 | 600 | 1183 |
| Judson | city | Indiana | United States | 40.50389 | -86.27139 | 800 | 3077 |
| Judyville | city | Indiana | United States | 40.35833 | -87.395 | 761 | 870 |
| Julietta | city | Indiana | United States | 39.7375 | -85.95722 | 800 | 14391 |
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