Jefferson
County in Wisconsin
County
The population development of Jefferson.
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|
| Jefferson | County | 67,783 | 74,021 | 83,686 | 86,171 | → |
| Wisconsin | State | 4,891,769 | 5,363,675 | 5,686,986 | 5,894,323 |
Contents: Places
The population development of the places in Jefferson.
| Name | Status | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | |
|---|---|---|---|---|---|---|---|
| Cambridge | Village | Dane / Jefferson | 937 | 1,153 | 1,454 | 1,644 | → |
| Fort Atkinson | City | Jefferson | 10,309 | 11,623 | 12,395 | 12,597 | → |
| Hebron | Census-Designated Place | Jefferson | 241 | 243 | 224 | 209 | → |
| Helenville | Census-Designated Place | Jefferson | 234 | 225 | 249 | 238 | → |
| Ixonia | Census-Designated Place | Jefferson | 621 | 642 | 1,624 | 2,367 | → |
| Jefferson | City | Jefferson | 6,373 | 7,391 | 7,985 | 7,788 | → |
| Johnson Creek | Village | Jefferson | 1,299 | 1,655 | 2,729 | 3,324 | → |
| Lac La Belle | Village | Waukesha / Jefferson | 446 | 339 | 284 | 277 | → |
| Lake Koshkonong | Census-Designated Place | Jefferson | 1,099 | 1,219 | 1,204 | 1,239 | → |
| Lake Mills | City | Jefferson | 4,426 | 5,011 | 5,719 | 6,223 | → |
| Lake Ripley | Census-Designated Place | Jefferson | 1,306 | 1,792 | 1,779 | 1,911 | → |
| Palmyra | Village | Jefferson | 1,543 | 1,767 | 1,790 | 1,730 | → |
| Rome | Census-Designated Place | Jefferson | 592 | 574 | 689 | 752 | → |
| Sullivan | Village | Jefferson | 451 | 681 | 667 | 653 | → |
| Waterloo | City | Jefferson | 2,708 | 3,263 | 3,340 | 3,486 | → |
| Watertown | City | Jefferson / Dodge | 19,221 | 21,642 | 23,871 | 22,979 | → |
| Whitewater | City | Walworth / Jefferson | 12,732 | 13,458 | 14,370 | 16,141 | → |
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 |