Population of Counties in Indiana (2019)

Name 2019 Population Growth Since 2010
Marion County954,6705.53%
Lake County484,411-2.32%
Allen County375,3515.45%
Hamilton County330,08619.38%
St. Joseph County270,7711.48%
Elkhart County205,5604.11%
Tippecanoe County193,04811.52%
Vanderburgh County180,9740.63%
Porter County169,5943.10%
Hendricks County167,00914.46%
Johnson County156,22511.37%
Monroe County146,9176.03%
Madison County129,641-1.50%
Clark County117,3606.14%
Delaware County114,772-2.45%
LaPorte County110,007-1.30%
Vigo County107,386-0.46%
Bartholomew County82,7537.72%
Howard County82,366-0.47%
Kosciusko County79,3442.59%
Floyd County77,7814.11%
Hancock County76,3518.72%
Morgan County70,1161.39%
Boone County66,99917.72%
Wayne County65,936-4.29%
Grant County65,936-5.68%
Warrick County62,5674.56%
Dearborn County49,568-1.04%
Henry County48,271-2.54%
Noble County47,5320.16%
Marshall County46,248-1.60%
Lawrence County45,668-0.94%
Shelby County44,5930.63%
Jackson County44,1113.58%
DeKalb County43,2262.17%
Dubois County42,5651.57%
Harrison County40,3502.60%
LaGrange County39,3305.85%
Montgomery County38,3460.65%
Cass County37,955-2.63%
Putnam County37,779-0.36%
Knox County36,895-3.90%
Huntington County36,240-2.36%
Adams County35,6363.44%
Miami County35,567-3.38%
Steuben County34,5861.32%
Whitley County34,0742.15%
Gibson County33,452-0.28%
Jasper County33,370-0.38%
Daviess County33,1474.50%
Clinton County32,250-2.92%
Jefferson County32,208-0.60%
Greene County32,006-3.61%
Wabash County31,280-4.77%
Ripley County28,523-1.02%
Wells County28,2061.90%
Washington County27,943-1.26%
Jennings County27,611-3.06%
Decatur County26,7943.86%
Clay County26,170-2.54%
Posey County25,540-1.23%
Randolph County24,851-5.07%
White County24,133-2.24%
Scott County23,878-1.18%
Fayette County23,047-5.26%
Starke County22,935-1.76%
Franklin County22,736-1.39%
Owen County20,845-3.36%
Jay County20,764-1.95%
Sullivan County20,690-3.27%
Spencer County20,327-2.80%
Carroll County20,127-0.33%
Fulton County20,092-3.46%
Orange County19,489-1.60%
Perry County19,102-1.59%
Parke County16,927-2.05%
Rush County16,663-4.15%
Fountain County16,351-5.35%
Vermillion County15,479-3.95%
Brown County15,2340.18%
Tipton County15,128-4.72%
Newton County14,011-1.57%
Pulaski County12,469-6.43%
Pike County12,410-2.51%
Blackford County11,930-6.59%
Switzerland County10,7170.20%
Crawford County10,558-1.42%
Martin County10,217-1.37%
Benton County8,653-2.37%
Warren County8,263-3.03%
Union County7,037-6.63%
Ohio County5,844-4.12%