This is less than a one percent rise in Putnam County’s population, from 36,666 in 2020 to 36,979 in 2021.
Putnam County had the 41st 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.
Indiana Counties By Population Change from 2020 to 2021
| 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% |
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