Overview
- District ID
- mo-hd-106
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 106
- Land Area
- 15.4 sq mi
- Water Area
- 0.18 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 |
|---|
| St. Charles County | 15.40 sq mi | 100.0% | 2.7% |
Showing all 1 county
Places
Showing all 2 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 | 36,865 | 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
- 28,004
- Active Voters
- 25,967 (92.7%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 809 | 2.9% |
| Republican | 996 | 3.6% |
| Unaffiliated | 950 | 3.4% |
| Other parties | 33 | 0.1% |
| No party recorded | 25,216 | 90.0% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 3,545 (12.7%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 21,245 (75.9%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 14,292 (51.0%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 19,469 (69.5%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 15,154 (54.1%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 16,428 (58.7%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 8,816 (31.5%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 14,113 (50.4%) | 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
- 38,853 (± 1,248)
- Median Age
- 39.3
- Median Household Income
- $92,004 (± $4,506)
- High School Graduate or Higher (age 25+)
- 94.7%
- Bachelor's Degree or Higher (age 25+)
- 41.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 7,603 | 19.6% |
| 18 to 64 | 24,448 | 62.9% |
| 65 and over | 6,802 | 17.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 2,482 | 6.4% |
| White, not Hispanic | 30,741 | 79.1% |
| Black, not Hispanic | 2,743 | 7.1% |
| Asian, not Hispanic | 960 | 2.5% |
| American Indian / Alaska Native, not Hispanic | 3 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 66 | 0.2% |
| Two or more races, not Hispanic | 1,858 | 4.8% |
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
- 37,997
- Citizen Voting Age Population (CVAP)
- 30,451
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 36,006 | 94.8% |
| Hispanic | 1,988 | 5.2% |
| White | 31,020 | 81.6% |
| Black | 2,715 | 7.1% |
| Asian | 752 | 2.0% |
| American Indian / Alaska Native | 5 | 0.0% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 224 | 0.6% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 29,224 | 96.0% |
| Hispanic | 1,230 | 4.0% |
| White | 25,750 | 84.6% |
| Black | 2,404 | 7.9% |
| Asian | 728 | 2.4% |
| American Indian / Alaska Native | 255 | 0.8% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 183 | 0.6% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
