Wisconsin State Senate District 33

State Legislative District Profile (Upper Chamber)

Overview

District ID
wi-sd-033
State
Wisconsin
Chamber
Upper chamber (state senate)
District Code
033
Land Area
679.6 sq mi
Water Area
25.3 sq mi

Boundary

Boundary of Wisconsin State Senate District 33

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Waukesha County291.60 sq mi42.9%53.0%
Jefferson County172.50 sq mi25.4%31.0%
Washington County108.57 sq mi16.0%25.2%
Dodge County106.89 sq mi15.7%12.2%

Showing all 4 counties

Places

PlaceOverlapShare of district landShare of place land
Richfield village35.91 sq mi5.3%100.0%
Summit village20.87 sq mi3.1%100.0%
Oconomowoc city11.75 sq mi1.7%99.4%
Delafield city9.41 sq mi1.4%100.0%
Hartford city8.42 sq mi1.2%93.8%
Sussex village7.97 sq mi1.2%94.3%
Hartland village5.46 sq mi0.8%100.0%
Okauchee Lake CDP3.73 sq mi0.5%100.0%
Rome CDP3.71 sq mi0.5%100.0%
Ixonia CDP3.64 sq mi0.5%100.0%
Chenequa village3.46 sq mi0.5%100.0%
Merton village3.32 sq mi0.5%100.0%
Wales village3.23 sq mi0.5%100.0%
Germantown village2.88 sq mi0.4%8.4%
Dousman village2.75 sq mi0.4%92.5%
North Prairie village2.75 sq mi0.4%100.0%
Hebron CDP2.46 sq mi0.4%100.0%
Palmyra village2.15 sq mi0.3%94.0%
Oconomowoc Lake village1.92 sq mi0.3%99.9%
Nashotah village1.63 sq mi0.2%100.0%
Eagle village1.39 sq mi0.2%100.0%
Sullivan village1.13 sq mi0.2%99.7%
Ashippun CDP1.03 sq mi0.2%100.0%
Lac La Belle village1.02 sq mi0.2%92.5%
Neosho village0.53 sq mi0.1%100.0%

Showing top 25 of 28 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 5177,842100.0%24.1%100.0%

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

Voters

Registered Voters
136,835
Active Voters
136,835 (100.0%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–2024126,164 (92.2%)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
180,960 (± 1,032)
Median Age
45.1
Median Household Income
$112,343 (± $2,672)
High School Graduate or Higher (age 25+)
97.2%
Bachelor's Degree or Higher (age 25+)
43.9%

Population by Age

GroupPeopleShare
Under 1837,21020.6%
18 to 64107,73959.5%
65 and over36,01119.9%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)6,2803.5%
White, not Hispanic163,86590.6%
Black, not Hispanic1,3530.7%
Asian, not Hispanic2,8441.6%
American Indian / Alaska Native, not Hispanic2430.1%
Native Hawaiian / Pacific Islander, not Hispanic190.0%
Some other race, not Hispanic6560.4%
Two or more races, not Hispanic5,7003.1%

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
179,648
Citizen Voting Age Population (CVAP)
142,500

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic173,58596.6%
Hispanic6,0623.4%
White166,01192.4%
Black1,3550.8%
Asian2,3301.3%
American Indian / Alaska Native2740.2%
Native Hawaiian / Pacific Islander200.0%
Two or More Races2120.1%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic138,69297.3%
Hispanic3,8072.7%
White133,97494.0%
Black1,5081.1%
Asian2,3001.6%
American Indian / Alaska Native7540.5%
Native Hawaiian / Pacific Islander180.0%
Two or More Races1490.1%

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