Overview
- District ID
- mo-hd-100
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 100
- Land Area
- 11.1 sq mi
- Water Area
- 0 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 | 11.06 sq mi | 100.0% | 2.2% |
Showing all 1 county
Places
Showing all 2 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 | 37,955 | 100.0% | 4.9% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 28,846
- Active Voters
- 26,786 (92.9%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 566 | 2.0% |
| Republican | 595 | 2.1% |
| Unaffiliated | 649 | 2.2% |
| Other parties | 23 | 0.1% |
| No party recorded | 27,013 | 93.6% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 3,845 (13.3%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 22,440 (77.8%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 16,377 (56.8%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 20,932 (72.6%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 16,904 (58.6%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 17,696 (61.3%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 9,590 (33.2%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 15,397 (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
- 37,434 (± 884)
- Median Age
- 42.1
- Median Household Income
- $122,903 (± $7,925)
- High School Graduate or Higher (age 25+)
- 97.5%
- Bachelor's Degree or Higher (age 25+)
- 63.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 8,420 | 22.5% |
| 18 to 64 | 22,189 | 59.3% |
| 65 and over | 6,825 | 18.2% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 2,040 | 5.4% |
| White, not Hispanic | 27,613 | 73.8% |
| Black, not Hispanic | 1,057 | 2.8% |
| Asian, not Hispanic | 3,266 | 8.7% |
| American Indian / Alaska Native, not Hispanic | 16 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 299 | 0.8% |
| Two or more races, not Hispanic | 3,143 | 8.4% |
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
- 35,753
- Citizen Voting Age Population (CVAP)
- 27,497
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 34,135 | 95.5% |
| Hispanic | 1,618 | 4.5% |
| White | 29,543 | 82.6% |
| Black | 1,200 | 3.4% |
| Asian | 2,469 | 6.9% |
| American Indian / Alaska Native | 16 | 0.0% |
| Native Hawaiian / Pacific Islander | 1 | 0.0% |
| Two or More Races | 1 | 0.0% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 26,608 | 96.8% |
| Hispanic | 888 | 3.2% |
| White | 23,545 | 85.6% |
| Black | 926 | 3.4% |
| Asian | 1,987 | 7.2% |
| American Indian / Alaska Native | 143 | 0.5% |
| Native Hawaiian / Pacific Islander | 3 | 0.0% |
| Two or More Races | 1 | 0.0% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
