The Region News

There were no changes in people living in Lake County in 2021 compared to 2020, according to population estimates from the US Census Bureau.

This is unchanged from the previous estimate.

Lake County had the second largest population in Indiana in 2021.

The US Census Bureau found more than 73 percent of counties in the US saw a natural decrease in population in 2021. This is up from a 55.5 percent increase in 2020.

The Midwest suffered the most sustained population decreases, with many counties along the US East Coast and through the Rocky Mountains seeing increases.

The US population continues to grow, though at a slower rate than before.

County	2020 Estimated Population	2021 Estimated Population	% Change in Population From Year to Year
Boone County	71,169	73,052	2.6%
Hamilton County	348,868	356,650	2.2%
Hendricks County	175,528	179,355	2.2%
Hancock County	80,156	81,789	2%
Parke County	16,154	16,407	1.6%
Johnson County	162,180	164,298	1.3%
Clark County	121,282	122,738	1.2%
Perry County	19,150	19,316	0.9%
Warrick County	63,966	64,514	0.9%
Putnam County	36,666	36,979	0.9%
Ohio County	5,930	5,978	0.8%
Warren County	8,413	8,475	0.7%
Allen County	385,892	388,608	0.7%
Owen County	21,298	21,446	0.7%
Switzerland County	9,724	9,790	0.7%
Carroll County	20,307	20,444	0.7%
Porter County	173,256	174,243	0.6%
Morgan County	71,802	72,206	0.6%
Jasper County	32,906	33,091	0.6%
Steuben County	34,440	34,632	0.6%
Madison County	130,065	130,782	0.6%
Brown County	15,470	15,552	0.5%
Tippecanoe County	186,247	187,076	0.4%
Miami County	35,924	36,081	0.4%
Bartholomew County	82,157	82,475	0.4%
Adams County	35,826	35,961	0.4%
Ripley County	28,980	29,081	0.3%
Montgomery County	37,932	38,063	0.3%
Whitley County	34,316	34,430	0.3%
Franklin County	22,767	22,842	0.3%
Huntington County	36,599	36,717	0.3%
Harrison County	39,652	39,761	0.3%
Monroe County	139,517	139,875	0.3%
Marshall County	46,018	46,121	0.2%
Jefferson County	33,075	33,141	0.2%
Delaware County	111,669	111,871	0.2%
Dearborn County	50,726	50,816	0.2%
LaPorte County	112,222	112,390	0.1%
DeKalb County	43,274	43,333	0.1%
Fayette County	23,333	23,360	0.1%
Lawrence County	45,022	45,070	0.1%
Henry County	48,885	48,935	0.1%
Newton County	13,796	13,808	0.1%
Howard County	83,619	83,687	0.1%
Scott County	24,336	24,355	0.1%
Kosciusko County	80,050	80,106	0.1%
Starke County	23,356	23,372	0.1%
Wells County	28,179	28,197	0.1%
White County	24,636	24,651	0.1%
Randolph County	24,375	24,387	0%
Tipton County	15,365	15,372	0%
Elkhart County	206,842	206,921	0%
Shelby County	45,026	45,039	0%
Benton County	8,712	8,714	0%
LaGrange County	40,515	40,524	0%
Floyd County	80,437	80,454	0%
Daviess County	33,391	33,397	0%
Wayne County	66,455	66,456	0%
Lake County	498,597	498,558	0%
Vigo County	106,007	105,994	0%
Greene County	30,790	30,786	0%
Orange County	19,839	19,830	0%
Blackford County	12,098	12,091	-0.1%
Martin County	9,786	9,780	-0.1%
Clay County	26,432	26,410	-0.1%
Vanderburgh County	180,158	179,987	-0.1%
Spencer County	19,820	19,798	-0.1%
St. Joseph County	272,549	272,212	-0.1%
Dubois County	43,604	43,549	-0.1%
Posey County	25,161	25,116	-0.2%
Sullivan County	20,803	20,758	-0.2%
Wabash County	30,888	30,816	-0.2%
Fulton County	20,434	20,386	-0.2%
Crawford County	10,540	10,514	-0.2%
Clinton County	33,151	33,065	-0.3%
Fountain County	16,470	16,427	-0.3%
Grant County	66,446	66,263	-0.3%
Gibson County	33,021	32,924	-0.3%
Vermillion County	15,388	15,341	-0.3%
Noble County	47,379	47,227	-0.3%
Washington County	28,220	28,102	-0.4%
Rush County	16,744	16,672	-0.4%
Cass County	37,771	37,563	-0.6%
Jennings County	27,564	27,409	-0.6%
Marion County	976,770	971,102	-0.6%
Decatur County	26,477	26,320	-0.6%
Union County	7,090	7,047	-0.6%
Jackson County	46,373	46,067	-0.7%
Pike County	12,233	12,144	-0.7%
Knox County	36,244	35,956	-0.8%
Jay County	20,456	20,248	-1%
Pulaski County	12,488	12,339	-1.2%