Overview
- District ID
- mo-hd-143
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 143
- Land Area
- 2,036.3 sq mi
- Water Area
- 6.05 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 3 counties
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 8 | 30,393 | 78.3% | 4.0% | 74.1% |
| MO District 3 | 8,432 | 21.7% | 1.1% | 25.9% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 28,256
- Active Voters
- 26,676 (94.4%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 4,899 (17.3%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 19,659 (69.6%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 14,237 (50.4%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 17,568 (62.2%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 14,121 (50.0%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 15,249 (54.0%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 8,711 (30.8%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 13,193 (46.7%) | 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
- 40,049 (± 727)
- Median Age
- 43.5
- Median Household Income
- $53,504 (± $3,530)
- High School Graduate or Higher (age 25+)
- 86.9%
- Bachelor's Degree or Higher (age 25+)
- 17.6%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 8,612 | 21.5% |
| 18 to 64 | 22,767 | 56.8% |
| 65 and over | 8,670 | 21.6% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,002 | 2.5% |
| White, not Hispanic | 35,542 | 88.7% |
| Black, not Hispanic | 982 | 2.5% |
| Asian, not Hispanic | 98 | 0.2% |
| American Indian / Alaska Native, not Hispanic | 241 | 0.6% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 121 | 0.3% |
| Two or more races, not Hispanic | 2,063 | 5.2% |
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
- 39,995
- Citizen Voting Age Population (CVAP)
- 31,380
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 39,002 | 97.5% |
| Hispanic | 989 | 2.5% |
| White | 36,560 | 91.4% |
| Black | 980 | 2.5% |
| Asian | 90 | 0.2% |
| American Indian / Alaska Native | 238 | 0.6% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 117 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 30,724 | 97.9% |
| Hispanic | 655 | 2.1% |
| White | 28,829 | 91.9% |
| Black | 970 | 3.1% |
| Asian | 100 | 0.3% |
| American Indian / Alaska Native | 755 | 2.4% |
| Native Hawaiian / Pacific Islander | 1 | 0.0% |
| Two or More Races | 90 | 0.3% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
