Overview
- District ID
- mo-hd-155
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 155
- Land Area
- 1,884.4 sq mi
- Water Area
- 38.1 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 4 counties
Places
Showing all 12 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 7 | 21,039 | 54.1% | 2.7% | 30.2% |
| MO District 8 | 17,843 | 45.9% | 2.3% | 69.8% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 32,009
- Active Voters
- 29,081 (90.9%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 136 | 0.4% |
| Republican | 875 | 2.7% |
| Unaffiliated | 5,051 | 15.8% |
| Other parties | 21 | 0.1% |
| No party recorded | 25,926 | 81.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 3,368 (10.5%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 21,956 (68.6%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 15,588 (48.7%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 19,302 (60.3%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 14,948 (46.7%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 16,164 (50.5%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 8,738 (27.3%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 13,348 (41.7%) | 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
- 39,080 (± 1,149)
- Median Age
- 50.0
- Median Household Income
- $48,851 (± $3,102)
- High School Graduate or Higher (age 25+)
- 89.2%
- Bachelor's Degree or Higher (age 25+)
- 19.4%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 7,433 | 19.0% |
| 18 to 64 | 20,493 | 52.4% |
| 65 and over | 11,154 | 28.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,041 | 2.7% |
| White, not Hispanic | 36,114 | 92.4% |
| Black, not Hispanic | 224 | 0.6% |
| Asian, not Hispanic | 86 | 0.2% |
| American Indian / Alaska Native, not Hispanic | 149 | 0.4% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 120 | 0.3% |
| Two or more races, not Hispanic | 1,346 | 3.4% |
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
- 38,917
- Citizen Voting Age Population (CVAP)
- 31,482
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 37,944 | 97.5% |
| Hispanic | 975 | 2.5% |
| White | 36,558 | 93.9% |
| Black | 225 | 0.6% |
| Asian | 88 | 0.2% |
| American Indian / Alaska Native | 150 | 0.4% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 31 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 30,906 | 98.2% |
| Hispanic | 578 | 1.8% |
| White | 29,947 | 95.1% |
| Black | 221 | 0.7% |
| Asian | 83 | 0.3% |
| American Indian / Alaska Native | 635 | 2.0% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 25 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
