Overview
- District ID
- mo-hd-142
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 142
- Land Area
- 793.9 sq mi
- Water Area
- 4.33 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 6 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 4 | 38,875 | 100.0% | 5.1% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 26,453
- Active Voters
- 25,123 (95.0%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 3,127 (11.8%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 18,345 (69.3%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 12,001 (45.4%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 16,292 (61.6%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 12,421 (47.0%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 13,862 (52.4%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 7,253 (27.4%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 11,658 (44.1%) | 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
- 39,906 (± 789)
- Median Age
- 40.3
- Median Household Income
- $51,155 (± $4,301)
- High School Graduate or Higher (age 25+)
- 87.1%
- Bachelor's Degree or Higher (age 25+)
- 16.1%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 9,690 | 24.3% |
| 18 to 64 | 22,484 | 56.3% |
| 65 and over | 7,732 | 19.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,133 | 2.8% |
| White, not Hispanic | 36,730 | 92.0% |
| Black, not Hispanic | 156 | 0.4% |
| Asian, not Hispanic | 265 | 0.7% |
| American Indian / Alaska Native, not Hispanic | 118 | 0.3% |
| Native Hawaiian / Pacific Islander, not Hispanic | 9 | 0.0% |
| Some other race, not Hispanic | 9 | 0.0% |
| Two or more races, not Hispanic | 1,486 | 3.7% |
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
- 39,679
- Citizen Voting Age Population (CVAP)
- 29,987
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 38,630 | 97.4% |
| Hispanic | 1,045 | 2.6% |
| White | 37,114 | 93.5% |
| Black | 138 | 0.3% |
| Asian | 172 | 0.4% |
| American Indian / Alaska Native | 127 | 0.3% |
| Native Hawaiian / Pacific Islander | 11 | 0.0% |
| Two or More Races | 11 | 0.0% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 29,294 | 97.7% |
| Hispanic | 695 | 2.3% |
| White | 28,122 | 93.8% |
| Black | 156 | 0.5% |
| Asian | 229 | 0.8% |
| American Indian / Alaska Native | 770 | 2.6% |
| Native Hawaiian / Pacific Islander | 7 | 0.0% |
| Two or More Races | 16 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
