Jefferson
County in Wisconsin
Contents: Subdivision
The population development in Jefferson as well as related information and services (Wikipedia, Google, images).
icon links to further information about a selected division including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2024-07-01 | |
|---|---|---|---|---|---|---|---|
| Jefferson | County | 67,783 | 74,021 | 83,686 | 86,163 | 86,245 | |
| Aztalan | Town | 1,366 | 1,380 | 1,444 | 1,374 | 1,364 | → |
| Cambridge (part) | Village | 87 | 120 | 109 | 98 | 100 | → |
| Cold Spring | Town | 659 | 758 | 730 | 731 | 730 | → |
| Concord | Town | 1,846 | 2,035 | 2,050 | 1,985 | 1,961 | → |
| Farmington | Town | 1,347 | 1,407 | 1,421 | 1,413 | 1,395 | → |
| Fort Atkinson | City | 10,309 | 11,623 | 12,395 | 12,584 | 12,377 | → |
| Hebron | Town | 977 | 1,143 | 1,094 | 1,043 | 1,044 | → |
| Ixonia | Town | 2,684 | 2,909 | 4,388 | 5,123 | 5,067 | → |
| Jefferson | City | 6,373 | 7,391 | 7,985 | 7,789 | 7,766 | → |
| Jefferson | Town | 2,475 | 2,247 | 2,183 | 2,060 | 2,054 | → |
| Johnson Creek | Village | 1,299 | 1,655 | 2,729 | 3,327 | 3,398 | → |
| Koshkonong | Town | 2,890 | 3,395 | 3,653 | 3,755 | 3,769 | → |
| Lac La Belle (part) | Village | 105 | 16 | 1 | 1 | 1 | → |
| Lake Mills | City | 4,426 | 5,011 | 5,719 | 6,219 | 6,617 | → |
| Lake Mills | Town | 1,556 | 1,959 | 2,057 | 2,195 | 2,204 | → |
| Milford | Town | 1,007 | 1,050 | 1,099 | 1,104 | 1,097 | → |
| Oakland | Town | 2,519 | 3,098 | 3,100 | 3,228 | 3,220 | → |
| Palmyra | Village | 1,543 | 1,767 | 1,790 | 1,729 | 1,719 | → |
| Palmyra | Town | 1,175 | 1,142 | 1,177 | 1,209 | 1,210 | → |
| Sullivan | Village | 451 | 681 | 667 | 653 | 653 | → |
| Sullivan | Town | 1,933 | 2,145 | 2,211 | 2,294 | 2,308 | → |
| Sumner | Town | 824 | 908 | 832 | 846 | 824 | → |
| Waterloo | City | 2,708 | 3,263 | 3,340 | 3,496 | 3,611 | → |
| Waterloo | Town | 698 | 831 | 907 | 868 | 873 | → |
| Watertown | Town | 1,754 | 1,872 | 1,972 | 1,932 | 1,940 | → |
| Watertown (part) | City | 12,467 | 13,575 | 15,402 | 14,684 | 14,461 | → |
| Whitewater (part) | City | 2,490 | 2,642 | 3,237 | 4,423 | 4,482 | → |
| Wisconsin | State | 4,891,769 | 5,363,675 | 5,686,986 | 5,894,170 | 5,960,975 |
Source: U.S. Census Bureau.
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.
Further information about the population structure:
| Gender (C 2020) | |
|---|---|
| Males | 42,684 |
| Females | 42,216 |
| Age Groups (C 2020) | |
|---|---|
| 0-17 years | 18,551 |
| 18-64 years | 51,177 |
| 65+ years | 15,172 |
| Age Distribution (C 2020) | |
|---|---|
| 80+ years | 3,222 |
| 70-79 years | 6,706 |
| 60-69 years | 11,207 |
| 50-59 years | 12,095 |
| 40-49 years | 10,355 |
| 30-39 years | 10,498 |
| 20-29 years | 9,134 |
| 10-19 years | 12,424 |
| 0-9 years | 9,259 |
| Urbanization (C 2020) | |
|---|---|
| Rural | 37,781 |
| Urban | 47,119 |
| »Race« (C 2020) | |
|---|---|
| White | 75,145 |
| Black/African American | 888 |
| Indigenous | 365 |
| Asian | 672 |
| Pacific Islander | 27 |
| Some other | 2,858 |
| 2 or more | 4,945 |
| Ethnicity (C 2020) | |
|---|---|
| Hispanic or Latino | 7,068 |
| Other | 77,832 |