Overview
- District ID
- wi-sd-027
- State
- Wisconsin
- Chamber
- Upper chamber (state senate)
- District Code
- 027
- Land Area
- 338.2 sq mi
- Water Area
- 9.35 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| Dane County | 338.20 sq mi | 100.0% | 28.3% |
Showing all 1 county
Places
Showing all 8 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| WI District 2 | 179,647 | 100.0% | 24.4% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 135,639
- Active Voters
- 135,639 (100.0%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 121,434 (89.5%) | 0 (0.0%) | 0 (0.0%) |
Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.
Browse the voter list for this district (premium access; sign-in required)
Source: Civitech voter file snapshot as of 05/15/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 185,808 (± 2,483)
- Median Age
- 39.3
- Median Household Income
- $103,724 (± $2,196)
- High School Graduate or Higher (age 25+)
- 97.1%
- Bachelor's Degree or Higher (age 25+)
- 61.9%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 40,634 | 21.9% |
| 18 to 64 | 111,739 | 60.1% |
| 65 and over | 33,435 | 18.0% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 15,264 | 8.2% |
| White, not Hispanic | 141,489 | 76.1% |
| Black, not Hispanic | 6,917 | 3.7% |
| Asian, not Hispanic | 12,636 | 6.8% |
| American Indian / Alaska Native, not Hispanic | 314 | 0.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 28 | 0.0% |
| Some other race, not Hispanic | 1,244 | 0.7% |
| Two or more races, not Hispanic | 7,916 | 4.3% |
Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.
Citizen Voting Age Population
- Total Citizen Population
- 176,184
- Citizen Voting Age Population (CVAP)
- 136,452
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 164,578 | 93.4% |
| Hispanic | 11,602 | 6.6% |
| White | 142,919 | 81.1% |
| Black | 6,713 | 3.8% |
| Asian | 9,017 | 5.1% |
| American Indian / Alaska Native | 313 | 0.2% |
| Native Hawaiian / Pacific Islander | 27 | 0.0% |
| Two or More Races | 535 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 129,607 | 95.0% |
| Hispanic | 6,846 | 5.0% |
| White | 115,004 | 84.3% |
| Black | 5,760 | 4.2% |
| Asian | 7,680 | 5.6% |
| American Indian / Alaska Native | 782 | 0.6% |
| Native Hawaiian / Pacific Islander | 22 | 0.0% |
| Two or More Races | 399 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).