Overview
- District ID
- mo-hd-078
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 078
- Land Area
- 5.04 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 city | 5.04 sq mi | 100.0% | 8.2% |
Showing all 1 county
Places
| Place | Overlap | Share of district land | Share of place land |
|---|
| St. Louis city | 5.04 sq mi | 100.0% | 8.2% |
Showing all 1 place
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 | 37,530 | 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
- 24,362
- Active Voters
- 22,091 (90.7%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 1,649 | 6.8% |
| Republican | 255 | 1.0% |
| Unaffiliated | 841 | 3.5% |
| Other parties | 32 | 0.1% |
| No party recorded | 21,585 | 88.6% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 4,897 (20.1%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 11,971 (49.1%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 8,519 (35.0%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 12,056 (49.5%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 9,688 (39.8%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 9,741 (40.0%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 4,029 (16.5%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 8,725 (35.8%) | 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
- 35,770 (± 2,147)
- Median Age
- 35.0
- Median Household Income
- $56,337 (± $6,218)
- High School Graduate or Higher (age 25+)
- 90.0%
- Bachelor's Degree or Higher (age 25+)
- 45.1%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 7,418 | 20.7% |
| 18 to 64 | 24,511 | 68.5% |
| 65 and over | 3,841 | 10.7% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,870 | 5.2% |
| White, not Hispanic | 13,464 | 37.6% |
| Black, not Hispanic | 18,304 | 51.2% |
| Asian, not Hispanic | 623 | 1.7% |
| American Indian / Alaska Native, not Hispanic | 110 | 0.3% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 34 | 0.1% |
| Two or more races, not Hispanic | 1,365 | 3.8% |
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
- 34,200
- Citizen Voting Age Population (CVAP)
- 26,854
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 32,996 | 96.5% |
| Hispanic | 1,201 | 3.5% |
| White | 13,275 | 38.8% |
| Black | 18,079 | 52.9% |
| Asian | 250 | 0.7% |
| American Indian / Alaska Native | 111 | 0.3% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 160 | 0.5% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 26,162 | 97.4% |
| Hispanic | 695 | 2.6% |
| White | 11,778 | 43.9% |
| Black | 13,829 | 51.5% |
| Asian | 367 | 1.4% |
| American Indian / Alaska Native | 119 | 0.4% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 64 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).