Overview
- District ID
- mo-hd-090
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 090
- Land Area
- 11.9 sq mi
- Water Area
- 0.07 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 | 11.87 sq mi | 100.0% | 2.3% |
Showing all 1 county
Places
Showing all 3 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 2 | 36,060 | 98.2% | 4.7% | 98.3% |
| MO District 1 | 647 | 1.8% | 0.1% | 1.7% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 29,305
- Active Voters
- 27,302 (93.2%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 844 | 2.9% |
| Republican | 566 | 1.9% |
| Unaffiliated | 789 | 2.7% |
| Other parties | 14 | 0.0% |
| No party recorded | 27,092 | 92.4% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 5,566 (19.0%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 23,434 (80.0%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 18,912 (64.5%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 22,378 (76.4%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 18,986 (64.8%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 19,181 (65.5%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 11,604 (39.6%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 17,027 (58.1%) | 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
- 36,338 (± 200)
- Median Age
- 41.6
- Median Household Income
- $132,784 (± $11,074)
- High School Graduate or Higher (age 25+)
- 98.3%
- Bachelor's Degree or Higher (age 25+)
- 71.6%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 9,893 | 27.2% |
| 18 to 64 | 18,953 | 52.2% |
| 65 and over | 7,492 | 20.6% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 969 | 2.7% |
| White, not Hispanic | 30,245 | 83.2% |
| Black, not Hispanic | 1,294 | 3.6% |
| Asian, not Hispanic | 777 | 2.1% |
| American Indian / Alaska Native, not Hispanic | 7 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 116 | 0.3% |
| Two or more races, not Hispanic | 2,930 | 8.1% |
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
- 35,929
- Citizen Voting Age Population (CVAP)
- 26,083
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 34,992 | 97.4% |
| Hispanic | 939 | 2.6% |
| White | 32,209 | 89.6% |
| Black | 1,300 | 3.6% |
| Asian | 602 | 1.7% |
| American Indian / Alaska Native | 6 | 0.0% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 52 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 25,573 | 98.0% |
| Hispanic | 510 | 2.0% |
| White | 23,882 | 91.6% |
| Black | 1,140 | 4.4% |
| Asian | 435 | 1.7% |
| American Indian / Alaska Native | 80 | 0.3% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 52 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
