Wisconsin
People per square mile, 1990:
People per square mile, 2000:
Historic & Projected Growth
1790 to 2030

| Year | Population | Year | Population | Year | Population | ||
| 1790 | 0 | 1880 | 1,315,497 | 1970 | 4,417,821 | ||
| 1800 | 0 | 1890 | 1,693,330 | 1980 | 4,705,642 | ||
| 1810 | 0 | 1900 | 2,069,042 | 1990 | 4,891,769 | ||
| 1820 | 0 | 1910 | 2,333,860 | 2000 | 5,363,675 | ||
| 1830 | 0 | 1920 | 2,632,067 | 2010 | 5,727,426 | ||
| 1840 | 30,945 | 1930 | 2,939,006 | 2020 | 6,004,954 | ||
| 1850 | 305,391 | 1940 | 3,137,587 | 2030 | 6,150,764 | ||
| 1860 | 775,881 | 1950 | 3,434,575 | ||||
| 1870 | 1,054,670 | 1960 | 3,951,777 |
Population By County
| Census 2000 Population | Change from 1990 |
Percent Change |
|
| WISCONSIN | 5,363,675 | 471,906 | 9.6 |
| Adams County | 18,643 | 2,961 | 18.9 |
| Ashland County | 16,866 | 559 | 3.4 |
| Barron County | 44,963 | 4,213 | 10.3 |
| Bayfield County | 15,013 | 1,005 | 7.2 |
| Brown County | 226,778 | 32,184 | 16.5 |
| Buffalo County | 13,804 | 220 | 1.6 |
| Burnett County | 15,674 | 2,590 | 19.8 |
| Calumet County | 40,631 | 6,340 | 18.5 |
| Chippewa County | 55,195 | 2,835 | 5.4 |
| Clark County | 33,557 | 1,910 | 6.0 |
| Columbia County | 52,468 | 7,380 | 16.4 |
| Crawford County | 17,243 | 1,303 | 8.2 |
| Dane County | 426,526 | 59,441 | 16.2 |
| Dodge County | 85,897 | 9,338 | 12.2 |
| Door County | 27,961 | 2,271 | 8.8 |
| Douglas County | 43,287 | 1,529 | 3.7 |
| Dunn County | 39,858 | 3,949 | 11.0 |
| Eau Claire County | 93,142 | 7,959 | 9.3 |
| Florence County | 5,088 | 498 | 10.8 |
| Fond du Lac County | 97,296 | 7,213 | 8.0 |
| Forest County | 10,024 | 1,248 | 14.2 |
| Grant County | 49,597 | 333 | 0.7 |
| Green County | 33,647 | 3,308 | 10.9 |
| Green Lake County | 19,105 | 454 | 2.4 |
| Iowa County | 22,780 | 2,630 | 13.1 |
| Iron County | 6,861 | 708 | 11.5 |
| Jackson County | 19,100 | 2,512 | 15.1 |
| Jefferson County | 74,021 | 6,238 | 9.2 |
| Juneau County | 24,316 | 2,666 | 12.3 |
| Kenosha County | 149,577 | 21,396 | 16.7 |
| Kewaunee County | 20,187 | 1,309 | 6.9 |
| La Crosse County | 107,120 | 9,216 | 9.4 |
| Lafayette County | 16,137 | 61 | 0.4 |
| Langlade County | 20,740 | 1,235 | 6.3 |
| Lincoln County | 29,641 | 2,648 | 9.8 |
| Manitowoc County | 82,887 | 2,466 | 3.1 |
| Marathon County | 125,834 | 10,434 | 9.0 |
| Marinette County | 43,384 | 2,836 | 7.0 |
| Marquette County | 15,832 | 3,511 | 28.5 |
| Menominee County | 4,562 | 672 | 17.3 |
| Milwaukee County | 940,164 | -19,111 | -2.0 |
| Monroe County | 40,899 | 4,266 | 11.6 |
| Oconto County | 35,634 | 5,408 | 17.9 |
| Oneida County | 36,776 | 5,097 | 16.1 |
| Outagamie County | 160,971 | 20,461 | 14.6 |
| Ozaukee County | 82,317 | 9,486 | 13.0 |
| Pepin County | 7,213 | 106 | 1.5 |
| Pierce County | 36,804 | 4,039 | 12.3 |
| Polk County | 41,319 | 6,546 | 18.8 |
| Portage County | 67,182 | 5,777 | 9.4 |
| Price County | 15,822 | 222 | 1.4 |
| Racine County | 188,831 | 13,797 | 7.9 |
| Richland County | 17,924 | 403 | 2.3 |
| Rock County | 152,307 | 12,797 | 9.2 |
| Rusk County | 15,347 | 268 | 1.8 |
| St. Croix County | 63,155 | 12,904 | 25.7 |
| Sauk County | 55,225 | 8,250 | 17.6 |
| Sawyer County | 16,196 | 2,015 | 14.2 |
| Shawano County | 40,664 | 3,507 | 9.4 |
| Sheboygan County | 112,646 | 8,769 | 8.4 |
| Taylor County | 19,680 | 779 | 4.1 |
| Trempealeau County | 27,010 | 1,747 | 6.9 |
| Vernon County | 28,056 | 2,439 | 9.5 |
| Vilas County | 21,033 | 3,326 | 18.8 |
| Walworth County | 93,759 | 18,759 | 25.0 |
| Washburn County | 16,036 | 2,264 | 16.4 |
| Washington County | 117,493 | 22,165 | 23.3 |
| Waukesha County | 360,767 | 56,052 | 18.4 |
| Waupaca County | 51,731 | 5,627 | 12.2 |
| Waushara County | 23,154 | 3,769 | 19.4 |
| Winnebago County | 156,763 | 16,443 | 11.7 |
| Wood County | 75,555 | 1,950 | 2.6 |
SOURCE: U.S. Bureau of the Census
Also available: Wisconsin News