Overview
- District ID
- mo-hd-109
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 109
- Land Area
- 292 sq mi
- Water Area
- 6.34 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 |
|---|
| Franklin County | 292.22 sq mi | 100.0% | 31.7% |
Showing all 1 county
Places
Showing all 4 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 2 | 38,633 | 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
- 30,722
- Active Voters
- 29,354 (95.5%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 5,479 (17.8%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 23,326 (75.9%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 16,551 (53.9%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 21,534 (70.1%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 17,411 (56.7%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 19,123 (62.2%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 11,338 (36.9%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 16,559 (53.9%) | 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
- 39,729 (± 1,319)
- Median Age
- 43.5
- Median Household Income
- $82,453 (± $5,124)
- High School Graduate or Higher (age 25+)
- 94.0%
- Bachelor's Degree or Higher (age 25+)
- 31.1%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 9,091 | 22.9% |
| 18 to 64 | 22,441 | 56.5% |
| 65 and over | 8,197 | 20.6% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,125 | 2.8% |
| White, not Hispanic | 36,271 | 91.3% |
| Black, not Hispanic | 255 | 0.6% |
| Asian, not Hispanic | 57 | 0.1% |
| American Indian / Alaska Native, not Hispanic | 32 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 25 | 0.1% |
| Some other race, not Hispanic | 108 | 0.3% |
| Two or more races, not Hispanic | 1,856 | 4.7% |
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
- 39,303
- Citizen Voting Age Population (CVAP)
- 30,252
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 38,481 | 97.9% |
| Hispanic | 824 | 2.1% |
| White | 37,521 | 95.5% |
| Black | 261 | 0.7% |
| Asian | 26 | 0.1% |
| American Indian / Alaska Native | 33 | 0.1% |
| Native Hawaiian / Pacific Islander | 24 | 0.1% |
| Two or More Races | 52 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 29,808 | 98.5% |
| Hispanic | 438 | 1.4% |
| White | 29,174 | 96.4% |
| Black | 206 | 0.7% |
| Asian | 106 | 0.4% |
| American Indian / Alaska Native | 266 | 0.9% |
| Native Hawaiian / Pacific Islander | 23 | 0.1% |
| Two or More Races | 39 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
