How to use this list
Counties are sorted alphabetically. Use ZIP count and population to spot larger counties, then open a county for its ZIP roster and income/housing averages.
Indiana counties
92 counties · 807 ZIP codes · population 6,811,752 . Select a county to open its ZIP table and local summary.
Related pages
Also see the Indiana overview, cities, rankings, and congressional districts.
| County | ZIP codes | Population | Avg. income |
|---|---|---|---|
| Adams County | 4 | 35,387 | $65,361 |
| Allen County | 26 | 380,086 | $73,842 |
| Bartholomew County | 9 | 82,365 | $72,454 |
| Benton County | 5 | 7,130 | $64,457 |
| Blackford County | 2 | 12,674 | $55,753 |
| Boone County | 6 | 74,054 | $94,220 |
| Brown County | 4 | 18,255 | $76,458 |
| Carroll County | 7 | 16,681 | $69,138 |
| Cass County | 9 | 37,807 | $57,172 |
| Clark County | 12 | 124,621 | $84,547 |
| Clay County | 10 | 26,811 | $66,133 |
| Clinton County | 7 | 33,892 | $73,450 |
| Crawford County | 8 | 11,108 | $53,812 |
| Daviess County | 6 | 31,039 | $76,525 |
| Dearborn County | 7 | 57,312 | $79,480 |
| Decatur County | 5 | 27,961 | $75,853 |
| DeKalb County | 8 | 46,924 | $75,618 |
| Delaware County | 12 | 111,405 | $59,976 |
| Dubois County | 9 | 43,938 | $79,146 |
| Elkhart County | 11 | 206,440 | $77,997 |
| Fayette County | 1 | 22,769 | $56,530 |
| Floyd County | 4 | 78,098 | $99,539 |
| Fountain County | 7 | 18,742 | $66,357 |
| Franklin County | 7 | 17,679 | $70,575 |
| Fulton County | 6 | 19,157 | $59,951 |
| Gibson County | 12 | 34,257 | $69,539 |
| Grant County | 12 | 67,218 | $59,370 |
| Greene County | 11 | 31,288 | $59,303 |
| Hamilton County | 13 | 341,929 | $105,019 |
| Hancock County | 7 | 92,655 | $96,354 |
| Harrison County | 12 | 40,256 | $75,976 |
| Hendricks County | 12 | 200,299 | $91,497 |
| Henry County | 15 | 49,163 | $67,853 |
| Howard County | 6 | 85,939 | $73,376 |
| Huntington County | 4 | 40,483 | $73,987 |
| Jackson County | 7 | 48,404 | $70,132 |
| Jasper County | 4 | 34,949 | $80,386 |
| Jay County | 6 | 20,660 | $50,447 |
| Jefferson County | 6 | 36,864 | $70,832 |
| Jennings County | 6 | 26,201 | $78,069 |
| Johnson County | 7 | 157,424 | $93,587 |
| Knox County | 12 | 36,239 | $63,792 |
| Kosciusko County | 14 | 78,433 | $75,121 |
| LaGrange County | 8 | 38,889 | $81,580 |
| Lake County | 27 | 502,997 | $64,650 |
| LaPorte County | 12 | 118,438 | $74,055 |
| Lawrence County | 9 | 46,524 | $69,750 |
| Madison County | 14 | 130,726 | $66,219 |
| Marion County | 36 | 945,226 | $70,135 |
| Marshall County | 9 | 47,078 | $64,846 |
| Martin County | 3 | 11,756 | $65,699 |
| Miami County | 8 | 33,474 | $71,428 |
| Monroe County | 11 | 138,318 | $66,656 |
| Montgomery County | 11 | 38,617 | $74,332 |
| Morgan County | 8 | 83,017 | $78,464 |
| Newton County | 9 | 11,947 | $64,523 |
| Noble County | 10 | 45,454 | $72,068 |
| Ohio County | 1 | 5,408 | $68,865 |
| Orange County | 4 | 18,946 | $62,318 |
| Owen County | 7 | 21,577 | $63,184 |
| Parke County | 8 | 16,492 | $62,533 |
| Perry County | 8 | 18,058 | $75,249 |
| Pike County | 6 | 11,946 | $68,642 |
| Porter County | 9 | 167,201 | $82,117 |
| Posey County | 4 | 20,786 | $72,706 |
| Pulaski County | 6 | 12,979 | $64,362 |
| Putnam County | 8 | 34,436 | $78,451 |
| Randolph County | 9 | 25,336 | $62,508 |
| Ripley County | 9 | 28,585 | $71,563 |
| Rush County | 9 | 16,629 | $57,460 |
| Scott County | 3 | 23,886 | $60,424 |
| Shelby County | 9 | 49,232 | $83,505 |
| Spencer County | 11 | 17,632 | $79,071 |
| St. Joseph County | 20 | 275,174 | $66,291 |
| Starke County | 5 | 21,145 | $65,056 |
| Steuben County | 6 | 35,466 | $72,894 |
| Sullivan County | 9 | 20,952 | $60,029 |
| Switzerland County | 4 | 8,348 | $63,299 |
| Tippecanoe County | 13 | 187,472 | $69,299 |
| Tipton County | 6 | 14,228 | $96,378 |
| Union County | 3 | 6,727 | $78,633 |
| Vanderburgh County | 9 | 183,323 | $62,758 |
| Vermillion County | 9 | 15,079 | $65,269 |
| Vigo County | 15 | 103,784 | $59,113 |
| Wabash County | 10 | 31,526 | $66,473 |
| Warren County | 6 | 8,857 | $78,890 |
| Warrick County | 7 | 67,445 | $80,414 |
| Washington County | 5 | 26,683 | $60,304 |
| Wayne County | 13 | 67,531 | $65,713 |
| Wells County | 10 | 28,292 | $80,049 |
| White County | 9 | 26,777 | $68,307 |
| Whitley County | 4 | 36,357 | $73,311 |
Frequently asked questions
- How many counties are listed for Indiana?
- US5 currently lists 92 counties with published ZIP coverage in Indiana. Counts can change as geography publishes update.
- What happens when I open a county?
- Each county page shows ZIP totals, income and housing averages, and a ZIP table. From there you can open any ZIP for a full demographics dashboard.