Overview
- District ID
- mo-hd-111
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 111
- Land Area
- 154 sq mi
- Water Area
- 1.92 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 |
|---|
| Jefferson County | 154.11 sq mi | 100.0% | 23.5% |
Showing all 1 county
Places
Showing all 9 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 3 | 36,844 | 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
- 27,691
- Active Voters
- 26,089 (94.2%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 275 | 1.0% |
| Republican | 795 | 2.9% |
| Unaffiliated | 13,458 | 48.6% |
| Other parties | 30 | 0.1% |
| No party recorded | 13,133 | 47.4% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 3,072 (11.1%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 20,818 (75.2%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 14,198 (51.3%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 18,979 (68.5%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 14,827 (53.5%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 16,207 (58.5%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 8,268 (29.9%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 13,648 (49.3%) | 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
- 36,408 (± 1,821)
- Median Age
- 42.6
- Median Household Income
- $91,056 (± $5,617)
- High School Graduate or Higher (age 25+)
- 91.9%
- Bachelor's Degree or Higher (age 25+)
- 26.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 7,377 | 20.3% |
| 18 to 64 | 22,872 | 62.8% |
| 65 and over | 6,159 | 16.9% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 990 | 2.7% |
| White, not Hispanic | 32,548 | 89.4% |
| Black, not Hispanic | 137 | 0.4% |
| Asian, not Hispanic | 366 | 1.0% |
| American Indian / Alaska Native, not Hispanic | 17 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 161 | 0.4% |
| Two or more races, not Hispanic | 2,189 | 6.0% |
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
- 36,300
- Citizen Voting Age Population (CVAP)
- 28,923
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 35,354 | 97.4% |
| Hispanic | 945 | 2.6% |
| White | 34,417 | 94.8% |
| Black | 139 | 0.4% |
| Asian | 329 | 0.9% |
| American Indian / Alaska Native | 20 | 0.1% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 18 | 0.0% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 28,355 | 98.0% |
| Hispanic | 567 | 2.0% |
| White | 27,664 | 95.6% |
| Black | 169 | 0.6% |
| Asian | 281 | 1.0% |
| American Indian / Alaska Native | 232 | 0.8% |
| Native Hawaiian / Pacific Islander | 2 | 0.0% |
| Two or More Races | 19 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
