Wisconsin Assembly District 78

State Legislative District Profile (Lower Chamber)

Overview

District ID
wi-hd-078
State
Wisconsin
Chamber
Lower chamber
District Code
078
Land Area
30.6 sq mi
Water Area
6.87 sq mi

Boundary

Boundary of Wisconsin Assembly District 78

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Dane County30.57 sq mi100.0%2.6%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Madison city19.03 sq mi62.3%22.8%
Monona city3.26 sq mi10.7%100.0%
McFarland village3.23 sq mi10.6%66.6%

Showing all 3 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
WI District 259,825100.0%8.1%100.0%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
40,941
Active Voters
40,941 (100.0%)

Party Registration

This state's voter file does not record party registration.

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202436,378 (88.9%)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
62,304 (± 1,943)
Median Age
38.1
Median Household Income
$82,990 (± $3,960)
High School Graduate or Higher (age 25+)
93.9%
Bachelor's Degree or Higher (age 25+)
47.1%

Population by Age

GroupPeopleShare
Under 1813,01920.9%
18 to 6439,62563.6%
65 and over9,66015.5%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)7,81812.5%
White, not Hispanic43,86570.4%
Black, not Hispanic5,0738.1%
Asian, not Hispanic2,1243.4%
American Indian / Alaska Native, not Hispanic380.1%
Native Hawaiian / Pacific Islander, not Hispanic40.0%
Some other race, not Hispanic1870.3%
Two or more races, not Hispanic3,1955.1%

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
58,231
Citizen Voting Age Population (CVAP)
45,245

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic52,90590.9%
Hispanic5,3279.1%
White44,13075.8%
Black4,4497.6%
Asian1,5922.7%
American Indian / Alaska Native440.1%
Native Hawaiian / Pacific Islander60.0%
Two or More Races3310.6%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic42,46293.8%
Hispanic2,7826.1%
White37,14682.1%
Black3,2447.2%
Asian1,6203.6%
American Indian / Alaska Native3090.7%
Native Hawaiian / Pacific Islander50.0%
Two or More Races1970.4%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).