Iowa State House District 58

State Legislative District Profile (Lower Chamber)

Overview

District ID
ia-hd-058
State
Iowa
Chamber
Lower chamber
District Code
058
Land Area
1,213.5 sq mi
Water Area
4.03 sq mi

Boundary

Boundary of Iowa State House District 58

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Chickasaw County504.32 sq mi41.6%100.0%
Floyd County418.33 sq mi34.5%83.6%
Bremer County290.85 sq mi24.0%66.8%

Showing all 3 counties

Places

PlaceOverlapShare of district landShare of place land
Charles City city6.12 sq mi0.5%100.0%
Roseville CDP3.69 sq mi0.3%100.0%
New Hampton city3.35 sq mi0.3%100.0%
Nashua city2.92 sq mi0.2%100.0%
Sumner city2.37 sq mi0.2%96.6%
Tripoli city1.39 sq mi0.1%100.0%
Rudd city1.09 sq mi0.1%100.0%
Lawler city0.95 sq mi0.1%99.1%
Fredericksburg city0.90 sq mi0.1%100.0%
Marble Rock city0.83 sq mi0.1%100.0%
Alta Vista city0.75 sq mi0.1%99.9%
Ionia city0.56 sq mi<0.1%100.0%
Floyd city0.55 sq mi<0.1%100.0%
Bassett city0.39 sq mi<0.1%100.0%
Frederika city0.37 sq mi<0.1%99.9%
Readlyn city0.33 sq mi<0.1%99.9%
North Washington city0.20 sq mi<0.1%99.9%
Colwell city0.17 sq mi<0.1%100.0%
Protivin city0.03 sq mi<0.1%6.1%
Greene city0.01 sq mi<0.1%1.3%

Showing all 20 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
IA District 232,185100.0%4.0%100.0%

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

Voters

Registered Voters
20,925
Active Voters
18,279 (87.4%)

Party Registration

PartyVotersShare
Democratic4,56921.8%
Republican7,78537.2%
Unaffiliated8,46240.4%
Other parties1090.5%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20266,158 (29.4%)0 (0.0%)0 (0.0%)
2023–202416,685 (79.7%)272 (1.3%)551 (2.6%)
2021–202212,487 (59.7%)1,058 (5.1%)2,077 (9.9%)
2019–202015,583 (74.5%)2,043 (9.8%)1,886 (9.0%)
2017–201811,709 (56.0%)891 (4.3%)565 (2.7%)
2015–201613,525 (64.6%)768 (3.7%)922 (4.4%)
2013–20149,733 (46.5%)544 (2.6%)967 (4.6%)
2011–201212,007 (57.4%)503 (2.4%)631 (3.0%)

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 01/20/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
31,817 (± 536)
Median Age
43.4
Median Household Income
$74,422 (± $4,117)
High School Graduate or Higher (age 25+)
94.6%
Bachelor's Degree or Higher (age 25+)
21.0%

Population by Age

GroupPeopleShare
Under 187,25522.8%
18 to 6417,32154.4%
65 and over7,24122.8%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)1,0343.2%
White, not Hispanic29,14791.6%
Black, not Hispanic2340.7%
Asian, not Hispanic2530.8%
American Indian / Alaska Native, not Hispanic480.2%
Native Hawaiian / Pacific Islander, not Hispanic150.0%
Some other race, not Hispanic2180.7%
Two or more races, not Hispanic8682.7%

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
31,480
Citizen Voting Age Population (CVAP)
24,328

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic30,77997.8%
Hispanic7002.2%
White29,64494.2%
Black2330.7%
Asian2540.8%
American Indian / Alaska Native480.2%
Native Hawaiian / Pacific Islander150.0%
Two or More Races30.0%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic23,91798.3%
Hispanic4101.7%
White23,21495.4%
Black2541.0%
Asian2641.1%
American Indian / Alaska Native1760.7%
Native Hawaiian / Pacific Islander40.0%
Two or More Races50.0%

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