Overview
- District ID
- mo-hd-112
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 112
- Land Area
- 54 sq mi
- Water Area
- 0.16 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 | 54.08 sq mi | 100.0% | 8.2% |
Showing all 1 county
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 | 38,456 | 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
- 28,249
- Active Voters
- 26,767 (94.8%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 337 | 1.2% |
| Republican | 724 | 2.6% |
| Unaffiliated | 13,996 | 49.5% |
| Other parties | 33 | 0.1% |
| No party recorded | 13,159 | 46.6% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 2,009 (7.1%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 21,068 (74.6%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 14,057 (49.8%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 19,184 (67.9%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 14,588 (51.6%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 16,124 (57.1%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 7,979 (28.2%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 13,658 (48.3%) | 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
- 36,711 (± 1,772)
- Median Age
- 40.6
- Median Household Income
- $92,481 (± $5,831)
- High School Graduate or Higher (age 25+)
- 94.8%
- Bachelor's Degree or Higher (age 25+)
- 28.2%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 8,024 | 21.9% |
| 18 to 64 | 23,409 | 63.8% |
| 65 and over | 5,278 | 14.4% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,279 | 3.5% |
| White, not Hispanic | 33,359 | 90.9% |
| Black, not Hispanic | 335 | 0.9% |
| Asian, not Hispanic | 283 | 0.8% |
| American Indian / Alaska Native, not Hispanic | 18 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 121 | 0.3% |
| Two or more races, not Hispanic | 1,316 | 3.6% |
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
- 36,390
- Citizen Voting Age Population (CVAP)
- 28,370
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 35,256 | 96.9% |
| Hispanic | 1,133 | 3.1% |
| White | 34,039 | 93.5% |
| Black | 272 | 0.7% |
| Asian | 231 | 0.6% |
| American Indian / Alaska Native | 17 | 0.0% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 4 | 0.0% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 27,634 | 97.4% |
| Hispanic | 738 | 2.6% |
| White | 26,737 | 94.2% |
| Black | 492 | 1.7% |
| Asian | 192 | 0.7% |
| American Indian / Alaska Native | 211 | 0.7% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 0 | 0.0% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
