Iowa State Senate District 39

State Legislative District Profile (Upper Chamber)

Overview

District ID
ia-sd-039
State
Iowa
Chamber
Upper chamber (state senate)
District Code
039
Land Area
58.4 sq mi
Water Area
0.7 sq mi

Boundary

Boundary of Iowa State Senate District 39

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Linn County58.42 sq mi100.0%8.1%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Cedar Rapids city43.95 sq mi75.2%58.9%

Showing all 1 place

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 263,936100.0%8.0%100.0%

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

Voters

Registered Voters
39,565
Active Voters
31,798 (80.4%)

Party Registration

PartyVotersShare
Democratic15,63139.5%
Republican8,56221.6%
Unaffiliated14,80837.4%
Other parties5641.4%
No party recorded00.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20268,558 (21.6%)0 (0.0%)0 (0.0%)
2023–202428,795 (72.8%)655 (1.7%)444 (1.1%)
2021–202220,706 (52.3%)4,227 (10.7%)1,635 (4.1%)
2019–202027,768 (70.2%)6,550 (16.6%)1,948 (4.9%)
2017–201820,331 (51.4%)3,855 (9.7%)616 (1.6%)
2015–201622,083 (55.8%)2,536 (6.4%)298 (0.8%)
2013–201415,203 (38.4%)2,087 (5.3%)1,308 (3.3%)
2011–201220,017 (50.6%)902 (2.3%)577 (1.5%)

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
63,862 (± 2,145)
Median Age
34.7
Median Household Income
$65,367 (± $4,997)
High School Graduate or Higher (age 25+)
93.9%
Bachelor's Degree or Higher (age 25+)
28.9%

Population by Age

GroupPeopleShare
Under 1813,85621.7%
18 to 6440,34063.2%
65 and over9,66615.1%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)3,6175.7%
White, not Hispanic47,76474.8%
Black, not Hispanic6,96110.9%
Asian, not Hispanic7111.1%
American Indian / Alaska Native, not Hispanic660.1%
Native Hawaiian / Pacific Islander, not Hispanic130.0%
Some other race, not Hispanic5050.8%
Two or more races, not Hispanic4,2256.6%

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
61,606
Citizen Voting Age Population (CVAP)
48,212

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic58,46794.9%
Hispanic3,1405.1%
White48,56678.8%
Black5,8389.5%
Asian6181.0%
American Indian / Alaska Native680.1%
Native Hawaiian / Pacific Islander140.0%
Two or More Races2810.5%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic46,33796.1%
Hispanic1,8763.9%
White40,27283.5%
Black4,6099.6%
Asian9041.9%
American Indian / Alaska Native5451.1%
Native Hawaiian / Pacific Islander120.0%
Two or More Races1770.4%

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