Overview
- District ID
- mo-hd-012
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 012
- Land Area
- 35.5 sq mi
- Water Area
- 0.99 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 |
|---|
| Platte County | 35.47 sq mi | 100.0% | 8.4% |
Showing all 1 county
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 6 | 38,147 | 100.0% | 5.0% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 27,871
- Active Voters
- 25,982 (93.2%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 837 | 3.0% |
| Republican | 790 | 2.8% |
| Unaffiliated | 8,608 | 30.9% |
| Other parties | 56 | 0.2% |
| No party recorded | 17,580 | 63.1% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 4,065 (14.6%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 20,549 (73.7%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 14,321 (51.4%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 18,316 (65.7%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 13,860 (49.7%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 14,311 (51.3%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 6,767 (24.3%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 12,112 (43.5%) | 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
- 40,591 (± 1,356)
- Median Age
- 37.7
- Median Household Income
- $109,697 (± $8,621)
- High School Graduate or Higher (age 25+)
- 95.7%
- Bachelor's Degree or Higher (age 25+)
- 49.4%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 9,646 | 23.8% |
| 18 to 64 | 25,466 | 62.7% |
| 65 and over | 5,479 | 13.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 3,356 | 8.3% |
| White, not Hispanic | 30,214 | 74.4% |
| Black, not Hispanic | 3,843 | 9.5% |
| Asian, not Hispanic | 1,023 | 2.5% |
| American Indian / Alaska Native, not Hispanic | 49 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 33 | 0.1% |
| Some other race, not Hispanic | 278 | 0.7% |
| Two or more races, not Hispanic | 1,795 | 4.4% |
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
- 39,666
- Citizen Voting Age Population (CVAP)
- 30,079
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 36,500 | 92.0% |
| Hispanic | 3,170 | 8.0% |
| White | 30,800 | 77.6% |
| Black | 3,329 | 8.4% |
| Asian | 941 | 2.4% |
| American Indian / Alaska Native | 49 | 0.1% |
| Native Hawaiian / Pacific Islander | 35 | 0.1% |
| Two or More Races | 170 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 28,026 | 93.2% |
| Hispanic | 2,053 | 6.8% |
| White | 24,208 | 80.5% |
| Black | 2,336 | 7.8% |
| Asian | 952 | 3.2% |
| American Indian / Alaska Native | 346 | 1.2% |
| Native Hawaiian / Pacific Islander | 31 | 0.1% |
| Two or More Races | 152 | 0.5% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
