Indiana County Map With Cities
By Marko Visic · Updated Oct 5, 2026
Indiana has 92 counties, covering 35,825 square miles of land. The Census Bureau estimates its population at 6,973,333 as of July 1, 2025. The largest county by land area is Allen County; the most populous is Marion County; the least populous is Ohio County.
Tap or click any county for details. Need a printable version? Blank Indiana map (PDF/PNG/SVG).
All 92 Indiana counties
| County | FIPS code | Population (July 1, 2025) ▼ | Change since April 2020 | Land area (sq mi) | People per sq mi | Median household income (2020–2024) |
|---|---|---|---|---|---|---|
| Marion County | 18097 | 992,196 | +1.5% | 396 | 2,506 | $66,346 |
| Lake County | 18089 | 504,612 | +1.2% | 499 | 1,011 | $71,493 |
| Allen County | 18003 | 402,329 | +4.4% | 657 | 612 | $70,737 |
| Hamilton County | 18057 | 387,036 | +11.4% | 394 | 981 | $121,530 |
| St. Joseph County | 18141 | 272,861 | 0.0% | 458 | 596 | $66,868 |
| Elkhart County | 18039 | 208,774 | +0.8% | 463 | 451 | $68,561 |
| Hendricks County | 18063 | 193,510 | +10.7% | 407 | 476 | $101,144 |
| Tippecanoe County | 18157 | 190,456 | +2.3% | 499 | 382 | $60,636 |
| Vanderburgh County | 18163 | 181,995 | +1.0% | 233 | 780 | $61,648 |
| Porter County | 18127 | 176,049 | +1.6% | 418 | 421 | $87,972 |
| Johnson County | 18081 | 174,262 | +7.7% | 320 | 544 | $90,454 |
| Monroe County | 18105 | 143,345 | +1.8% | 395 | 363 | $65,868 |
| Madison County | 18095 | 135,088 | +3.8% | 452 | 299 | $63,037 |
| Clark County | 18019 | 130,451 | +7.7% | 372 | 350 | $74,214 |
| Delaware County | 18035 | 113,106 | +1.1% | 392 | 288 | $58,127 |
| LaPorte County | 18091 | 111,294 | -1.0% | 598 | 186 | $71,055 |
| Vigo County | 18167 | 106,512 | +0.3% | 404 | 264 | $52,976 |
| Hancock County | 18059 | 90,969 | +14.0% | 306 | 297 | $93,186 |
| Bartholomew County | 18005 | 85,729 | +4.3% | 407 | 211 | $79,901 |
| Howard County | 18067 | 83,904 | +0.3% | 293 | 286 | $64,027 |
| Floyd County | 18043 | 82,153 | +2.1% | 148 | 553 | $79,704 |
| Kosciusko County | 18085 | 80,892 | +0.8% | 531 | 152 | $75,317 |
| Boone County | 18011 | 80,689 | +14.0% | 423 | 191 | $111,250 |
| Morgan County | 18109 | 74,967 | +4.4% | 404 | 186 | $79,429 |
| Warrick County | 18173 | 66,803 | +4.6% | 385 | 174 | $89,844 |
| Grant County | 18053 | 66,524 | -0.2% | 414 | 161 | $53,522 |
| Wayne County | 18177 | 66,169 | -0.6% | 402 | 165 | $55,692 |
| Dearborn County | 18029 | 51,609 | +1.8% | 305 | 169 | $84,735 |
| Henry County | 18065 | 49,137 | +0.5% | 392 | 125 | $63,150 |
| Noble County | 18113 | 47,937 | +1.0% | 411 | 117 | $71,723 |
| Jackson County | 18071 | 47,370 | +2.0% | 510 | 93 | $70,262 |
| Marshall County | 18099 | 46,599 | +1.1% | 444 | 105 | $71,808 |
| Shelby County | 18145 | 45,882 | +1.8% | 411 | 112 | $72,190 |
| Lawrence County | 18093 | 45,568 | +1.2% | 449 | 101 | $66,468 |
| DeKalb County | 18033 | 44,535 | +2.9% | 363 | 123 | $74,331 |
| Dubois County | 18037 | 44,016 | +0.9% | 427 | 103 | $75,979 |
| LaGrange County | 18087 | 41,305 | +2.1% | 380 | 109 | $84,487 |
| Harrison County | 18061 | 40,437 | +2.0% | 484 | 84 | $74,475 |
| Montgomery County | 18107 | 38,954 | +2.7% | 505 | 77 | $71,479 |
| Putnam County | 18133 | 37,876 | +3.1% | 481 | 79 | $78,378 |
| Cass County | 18017 | 37,836 | -0.1% | 412 | 92 | $56,403 |
| Huntington County | 18069 | 37,224 | +1.5% | 383 | 97 | $66,301 |
| Adams County | 18001 | 36,650 | +2.4% | 339 | 108 | $65,289 |
| Knox County | 18083 | 35,652 | -1.7% | 516 | 69 | $61,237 |
| Whitley County | 18183 | 35,046 | +2.5% | 336 | 104 | $78,083 |
| Steuben County | 18151 | 34,799 | +1.0% | 309 | 113 | $74,911 |
| Miami County | 18103 | 34,487 | -4.1% | 374 | 92 | $61,139 |
| Daviess County | 18027 | 34,209 | +2.5% | 430 | 80 | $68,503 |
| Jasper County | 18073 | 33,894 | +2.9% | 560 | 61 | $77,314 |
| Clinton County | 18023 | 33,322 | +0.4% | 405 | 82 | $65,019 |
| Jefferson County | 18077 | 33,279 | +0.4% | 361 | 92 | $64,577 |
| Gibson County | 18051 | 33,091 | +0.2% | 487 | 68 | $67,573 |
| Greene County | 18055 | 31,165 | +1.2% | 542 | 57 | $62,094 |
| Wabash County | 18169 | 30,713 | -0.9% | 413 | 74 | $66,806 |
| Ripley County | 18137 | 29,434 | +1.5% | 446 | 66 | $70,573 |
| Wells County | 18179 | 28,883 | +2.5% | 368 | 78 | $71,957 |
| Washington County | 18175 | 28,383 | +0.8% | 514 | 55 | $64,641 |
| Jennings County | 18079 | 27,622 | 0.0% | 377 | 73 | $69,322 |
| Decatur County | 18031 | 26,576 | +0.4% | 373 | 71 | $69,783 |
| Clay County | 18021 | 26,410 | -0.2% | 358 | 74 | $70,010 |
| White County | 18181 | 25,164 | +1.9% | 505 | 50 | $67,303 |
| Scott County | 18143 | 25,053 | +2.7% | 190 | 132 | $56,352 |
| Posey County | 18129 | 24,988 | -0.9% | 409 | 61 | $78,129 |
| Randolph County | 18135 | 24,438 | -0.3% | 452 | 54 | $60,791 |
| Fayette County | 18041 | 23,533 | +0.6% | 215 | 109 | $59,321 |
| Starke County | 18149 | 23,425 | +0.2% | 309 | 76 | $63,960 |
| Franklin County | 18047 | 23,286 | +2.2% | 384 | 61 | $78,074 |
| Owen County | 18119 | 21,886 | +2.6% | 385 | 57 | $62,464 |
| Sullivan County | 18153 | 20,831 | +0.1% | 447 | 47 | $56,204 |
| Carroll County | 18015 | 20,655 | +1.7% | 372 | 55 | $65,645 |
| Jay County | 18075 | 20,118 | -1.8% | 384 | 52 | $54,969 |
| Fulton County | 18049 | 20,091 | -1.9% | 368 | 55 | $61,360 |
| Spencer County | 18147 | 20,061 | +1.3% | 397 | 51 | $74,506 |
| Orange County | 18117 | 19,834 | -0.2% | 398 | 50 | $65,873 |
| Perry County | 18123 | 19,389 | +1.1% | 382 | 51 | $61,151 |
| Fountain County | 18045 | 17,013 | +3.2% | 396 | 43 | $62,542 |
| Rush County | 18139 | 16,767 | +0.1% | 408 | 41 | $66,473 |
| Parke County | 18121 | 16,642 | +3.0% | 445 | 37 | $68,485 |
| Brown County | 18013 | 15,777 | +2.0% | 312 | 51 | $78,528 |
| Vermillion County | 18165 | 15,488 | +0.3% | 257 | 60 | $60,200 |
| Tipton County | 18159 | 15,319 | -0.2% | 261 | 59 | $76,156 |
| Newton County | 18111 | 14,188 | +2.6% | 402 | 35 | $75,481 |
| Pulaski County | 18131 | 12,463 | -0.4% | 434 | 29 | $62,792 |
| Pike County | 18125 | 12,003 | -2.0% | 334 | 36 | $71,334 |
| Blackford County | 18009 | 11,730 | -3.1% | 165 | 71 | $51,326 |
| Crawford County | 18025 | 10,509 | -0.2% | 306 | 34 | $49,640 |
| Switzerland County | 18155 | 10,037 | +2.9% | 221 | 45 | $65,343 |
| Martin County | 18101 | 9,856 | +0.5% | 336 | 29 | $68,594 |
| Benton County | 18007 | 8,883 | +2.0% | 406 | 22 | $65,875 |
| Warren County | 18171 | 8,474 | +0.5% | 365 | 23 | $82,425 |
| Union County | 18161 | 6,863 | -3.2% | 161 | 43 | $76,424 |
| Ohio County | 18115 | 5,994 | +1.0% | 86 | 70 | $70,392 |
FIPS code: the Census Bureau’s five-digit county ID, a two-digit state code plus a three-digit county code. It is not a ZIP code.
How many counties does Indiana have?
Indiana has 92 counties covering 35,825 square miles. The state was admitted to the Union in 1816 as the 19th state.
The largest county by land area is Allen County at 657 square miles, home to 402,329 residents. The most populous is Marion County with 992,196 residents — a density of 2,506 people per square mile. At the other end of the scale, Ohio County has 5,994 residents.
Indianapolis is both the state capital and the largest city in Indiana.
Related resources
Download a printable outline of Indiana’s county boundaries from our blank map of Indiana page — available in SVG, PNG, and PDF.
Use the What County Am I In? tool to detect which Indiana county a GPS location or address falls in, or the Address to County Lookup for batch input.
For demographic radius analysis, the Find ZIP Codes in Radius and Population Within Radius tools let you draw a circle around any Indiana address and see every ZIP code and the total population inside.
Two SimpleMapLab studies cover Indiana specifically: the 100-mile radius around Indianapolis measures how much of the state lives within 100 miles of its capitol, and the loneliest town in Indiana ranks the state’s most isolated inhabited place. The county-counts blog post puts Indiana’s 92 counties in national context.
Frequently asked questions
- County Population Totals, Vintage 2025: estimates for July 1, 2025, released March 2026
- Gazetteer Files, 2026: county land and water area
- American Community Survey 5-Year Estimates, 2020–2024: median household income (table B19013)
- County boundaries on the map: US Atlas TopoJSON build of the US Census Bureau’s TIGER/Line shapefiles. All figures are US Census Bureau data in the public domain.