Minnesota State House District 18A

State Legislative District Profile (Lower Chamber)

Overview

District ID
mn-hd-18a
State
Minnesota
Chamber
Lower chamber
District Code
18A
Land Area
485.8 sq mi
Water Area
20.5 sq mi

Boundary

Boundary of Minnesota State House District 18A

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Nicollet County448.59 sq mi92.3%100.0%
Blue Earth County27.06 sq mi5.6%3.6%
Le Sueur County10.27 sq mi2.1%2.3%

Showing all 3 counties

Places

PlaceOverlapShare of district landShare of place land
Mankato city8.33 sq mi1.7%41.9%
North Mankato city6.11 sq mi1.3%94.9%
St. Peter city6.06 sq mi1.2%100.0%
Courtland city2.61 sq mi0.5%100.0%
Lafayette city1.26 sq mi0.3%100.0%
Kasota city1.22 sq mi0.3%97.8%
Nicollet city0.91 sq mi0.2%100.0%
Eagle Lake city0.00 sq mi<0.1%0.1%

Showing all 8 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
MN District 141,63097.2%5.8%97.9%
MN District 21,1852.8%0.2%2.1%

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

Voters

Registered Voters
27,364
Active Voters
27,364 (100.0%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20261,694 (6.2%)0 (0.0%)0 (0.0%)
2023–202423,671 (86.5%)0 (0.0%)0 (0.0%)
2021–202217,667 (64.6%)0 (0.0%)0 (0.0%)
2019–202020,316 (74.2%)0 (0.0%)0 (0.0%)
2017–201815,955 (58.3%)0 (0.0%)0 (0.0%)
2015–201617,227 (63.0%)0 (0.0%)0 (0.0%)
2013–201410,963 (40.1%)0 (0.0%)0 (0.0%)
2011–201215,645 (57.2%)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 01/11/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
42,286 (± 730)
Median Age
37.9
Median Household Income
$80,196 (± $4,051)
High School Graduate or Higher (age 25+)
94.0%
Bachelor's Degree or Higher (age 25+)
35.4%

Population by Age

GroupPeopleShare
Under 189,58522.7%
18 to 6425,56460.5%
65 and over7,13716.9%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)2,1655.1%
White, not Hispanic35,80084.7%
Black, not Hispanic2,3525.6%
Asian, not Hispanic6421.5%
American Indian / Alaska Native, not Hispanic980.2%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic1220.3%
Two or more races, not Hispanic1,1072.6%

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
41,478
Citizen Voting Age Population (CVAP)
31,940

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic39,65295.6%
Hispanic1,8314.4%
White36,11087.1%
Black2,1115.1%
Asian5021.2%
American Indian / Alaska Native1180.3%
Native Hawaiian / Pacific Islander00.0%
Two or More Races2670.6%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic30,82396.5%
Hispanic1,1263.5%
White28,80990.2%
Black1,2844.0%
Asian4441.4%
American Indian / Alaska Native2030.6%
Native Hawaiian / Pacific Islander10.0%
Two or More Races780.2%

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