Overview
- District ID
- mo-hd-120
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 120
- Land Area
- 1,495.2 sq mi
- Water Area
- 3.02 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 2 counties
Places
Showing all 10 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 | 23,056 | 61.5% | 3.0% | 49.7% |
| MO District 8 | 14,421 | 38.5% | 1.9% | 50.3% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 26,477
- Active Voters
- 24,586 (92.9%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 2,776 (10.5%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 17,850 (67.4%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 12,630 (47.7%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 16,711 (63.1%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 13,098 (49.5%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 14,192 (53.6%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 8,238 (31.1%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 12,080 (45.6%) | 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
- 37,336
- Median Age
- 43.2
- Median Household Income
- $57,028 (± $3,328)
- High School Graduate or Higher (age 25+)
- 85.0%
- Bachelor's Degree or Higher (age 25+)
- 15.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 8,341 | 22.3% |
| 18 to 64 | 20,905 | 56.0% |
| 65 and over | 8,090 | 21.7% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 876 | 2.3% |
| White, not Hispanic | 34,182 | 91.6% |
| Black, not Hispanic | 238 | 0.6% |
| Asian, not Hispanic | 142 | 0.4% |
| American Indian / Alaska Native, not Hispanic | 133 | 0.4% |
| Native Hawaiian / Pacific Islander, not Hispanic | 61 | 0.2% |
| Some other race, not Hispanic | 122 | 0.3% |
| Two or more races, not Hispanic | 1,582 | 4.2% |
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
- 37,123
- Citizen Voting Age Population (CVAP)
- 28,783
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 36,315 | 97.8% |
| Hispanic | 809 | 2.2% |
| White | 34,954 | 94.2% |
| Black | 238 | 0.6% |
| Asian | 139 | 0.4% |
| American Indian / Alaska Native | 132 | 0.4% |
| Native Hawaiian / Pacific Islander | 62 | 0.2% |
| Two or More Races | 31 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 28,293 | 98.3% |
| Hispanic | 489 | 1.7% |
| White | 27,341 | 95.0% |
| Black | 219 | 0.8% |
| Asian | 137 | 0.5% |
| American Indian / Alaska Native | 559 | 1.9% |
| Native Hawaiian / Pacific Islander | 24 | 0.1% |
| Two or More Races | 18 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
