Overview
- District ID
- mo-hd-066
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 066
- Land Area
- 24.7 sq mi
- Water Area
- 2.04 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 | 24.71 sq mi | 100.0% | 4.9% |
Showing all 1 county
Places
Showing all 5 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 | 36,683 | 100.0% | 4.8% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 21,503
- Active Voters
- 17,795 (82.8%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 1,049 | 4.9% |
| Republican | 168 | 0.8% |
| Unaffiliated | 371 | 1.7% |
| Other parties | 16 | 0.1% |
| No party recorded | 19,899 | 92.5% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 1,669 (7.8%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 11,027 (51.3%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 6,754 (31.4%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 11,536 (53.6%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 9,429 (43.8%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 10,615 (49.4%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 5,505 (25.6%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 10,676 (49.6%) | 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
- 36,220 (± 1,758)
- Median Age
- 33.9
- Median Household Income
- $47,778 (± $3,037)
- High School Graduate or Higher (age 25+)
- 89.3%
- Bachelor's Degree or Higher (age 25+)
- 15.2%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 10,554 | 29.1% |
| 18 to 64 | 20,781 | 57.4% |
| 65 and over | 4,885 | 13.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 524 | 1.4% |
| White, not Hispanic | 4,522 | 12.5% |
| Black, not Hispanic | 29,823 | 82.3% |
| Asian, not Hispanic | 126 | 0.3% |
| American Indian / Alaska Native, not Hispanic | 10 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 16 | 0.0% |
| Some other race, not Hispanic | 184 | 0.5% |
| Two or more races, not Hispanic | 1,015 | 2.8% |
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
- 35,969
- Citizen Voting Age Population (CVAP)
- 25,446
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 35,500 | 98.7% |
| Hispanic | 471 | 1.3% |
| White | 4,881 | 13.6% |
| Black | 29,853 | 83.0% |
| Asian | 40 | 0.1% |
| American Indian / Alaska Native | 7 | 0.0% |
| Native Hawaiian / Pacific Islander | 18 | 0.1% |
| Two or More Races | 170 | 0.5% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 25,233 | 99.2% |
| Hispanic | 214 | 0.8% |
| White | 4,514 | 17.7% |
| Black | 20,383 | 80.1% |
| Asian | 46 | 0.2% |
| American Indian / Alaska Native | 266 | 1.0% |
| Native Hawaiian / Pacific Islander | 15 | 0.1% |
| Two or More Races | 160 | 0.6% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
