Overview
- District ID
- mo-sd-013
- State
- Missouri
- Chamber
- Upper chamber (state senate)
- District Code
- 013
- Land Area
- 78.9 sq mi
- Water Area
- 4.46 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| St. Louis County | 78.94 sq mi | 100.0% | 15.5% |
Showing all 1 county
Places
Showing all 13 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| MO District 1 | 185,863 | 100.0% | 24.2% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 122,426
- Active Voters
- 106,685 (87.1%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 5,722 | 4.7% |
| Republican | 1,026 | 0.8% |
| Unaffiliated | 2,263 | 1.8% |
| Other parties | 95 | 0.1% |
| No party recorded | 113,320 | 92.6% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 11,456 (9.4%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 73,738 (60.2%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 47,742 (39.0%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 75,098 (61.3%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 61,812 (50.5%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 67,473 (55.1%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 37,334 (30.5%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 65,320 (53.4%) | 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 01/02/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".
Demographics
- Total Population
- 183,768 (± 3,171)
- Median Age
- 38.0
- Median Household Income
- $60,299 (± $2,354)
- High School Graduate or Higher (age 25+)
- 91.5%
- Bachelor's Degree or Higher (age 25+)
- 23.6%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 45,299 | 24.7% |
| 18 to 64 | 107,527 | 58.5% |
| 65 and over | 30,942 | 16.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 3,830 | 2.1% |
| White, not Hispanic | 43,250 | 23.5% |
| Black, not Hispanic | 125,850 | 68.5% |
| Asian, not Hispanic | 1,175 | 0.6% |
| American Indian / Alaska Native, not Hispanic | 74 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 28 | 0.0% |
| Some other race, not Hispanic | 895 | 0.5% |
| Two or more races, not Hispanic | 8,666 | 4.7% |
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
- 181,178
- Citizen Voting Age Population (CVAP)
- 136,183
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 178,154 | 98.3% |
| Hispanic | 3,022 | 1.7% |
| White | 44,478 | 24.5% |
| Black | 125,346 | 69.2% |
| Asian | 822 | 0.5% |
| American Indian / Alaska Native | 76 | 0.0% |
| Native Hawaiian / Pacific Islander | 24 | 0.0% |
| Two or More Races | 1,585 | 0.9% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 134,447 | 98.7% |
| Hispanic | 1,741 | 1.3% |
| White | 38,846 | 28.5% |
| Black | 93,144 | 68.4% |
| Asian | 962 | 0.7% |
| American Indian / Alaska Native | 1,690 | 1.2% |
| Native Hawaiian / Pacific Islander | 21 | 0.0% |
| Two or More Races | 922 | 0.7% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
