Wisconsin Assembly District 18

State Legislative District Profile (Lower Chamber)

Overview

District ID
wi-hd-018
State
Wisconsin
Chamber
Lower chamber
District Code
018
Land Area
7.13 sq mi
Water Area
0.02 sq mi

Boundary

Boundary of Wisconsin Assembly District 18

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Milwaukee County7.13 sq mi100.0%3.0%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Milwaukee city5.37 sq mi75.3%5.6%
Wauwatosa city1.76 sq mi24.7%13.3%

Showing all 2 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 459,346100.0%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
33,668
Active Voters
33,668 (100.0%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202426,694 (79.3%)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
56,166 (± 2,331)
Median Age
33.2
Median Household Income
$52,631 (± $3,132)
High School Graduate or Higher (age 25+)
88.8%
Bachelor's Degree or Higher (age 25+)
33.8%

Population by Age

GroupPeopleShare
Under 1814,03325.0%
18 to 6435,54163.3%
65 and over6,59211.7%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)5,0779.0%
White, not Hispanic18,91833.7%
Black, not Hispanic27,13848.3%
Asian, not Hispanic2,1863.9%
American Indian / Alaska Native, not Hispanic1380.2%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic2300.4%
Two or more races, not Hispanic2,4794.4%

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
53,699
Citizen Voting Age Population (CVAP)
39,953

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic49,34291.9%
Hispanic4,3598.1%
White18,88235.2%
Black26,48749.3%
Asian1,5522.9%
American Indian / Alaska Native1390.3%
Native Hawaiian / Pacific Islander10.0%
Two or More Races4140.8%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic37,36393.5%
Hispanic2,5886.5%
White15,76339.5%
Black19,75849.5%
Asian1,4103.5%
American Indian / Alaska Native4191.0%
Native Hawaiian / Pacific Islander00.0%
Two or More Races2050.5%

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