Overview
- District ID
- mo-hd-018
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 018
- Land Area
- 17.9 sq mi
- Water Area
- 0.84 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 |
|---|
| Clay County | 17.90 sq mi | 100.0% | 4.5% |
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 5 | 37,053 | 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
- 24,504
- Active Voters
- 20,831 (85.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 986 | 4.0% |
| Republican | 629 | 2.6% |
| Unaffiliated | 12,144 | 49.6% |
| Other parties | 63 | 0.3% |
| No party recorded | 10,682 | 43.6% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 2,987 (12.2%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 16,011 (65.3%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 10,526 (43.0%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 14,623 (59.7%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 11,003 (44.9%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 11,464 (46.8%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 5,168 (21.1%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 9,711 (39.6%) | 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
- 37,727 (± 1,571)
- Median Age
- 35.8
- Median Household Income
- $65,265 (± $4,470)
- High School Graduate or Higher (age 25+)
- 92.5%
- Bachelor's Degree or Higher (age 25+)
- 32.4%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 7,343 | 19.5% |
| 18 to 64 | 24,033 | 63.7% |
| 65 and over | 6,351 | 16.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 3,833 | 10.2% |
| White, not Hispanic | 24,558 | 65.1% |
| Black, not Hispanic | 4,089 | 10.8% |
| Asian, not Hispanic | 1,907 | 5.1% |
| American Indian / Alaska Native, not Hispanic | 71 | 0.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 419 | 1.1% |
| Some other race, not Hispanic | 39 | 0.1% |
| Two or more races, not Hispanic | 2,811 | 7.5% |
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
- 35,818
- Citizen Voting Age Population (CVAP)
- 28,740
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 33,058 | 92.3% |
| Hispanic | 2,761 | 7.7% |
| White | 24,638 | 68.8% |
| Black | 3,971 | 11.1% |
| Asian | 1,728 | 4.8% |
| American Indian / Alaska Native | 70 | 0.2% |
| Native Hawaiian / Pacific Islander | 393 | 1.1% |
| Two or More Races | 132 | 0.4% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 26,873 | 93.5% |
| Hispanic | 1,867 | 6.5% |
| White | 21,337 | 74.2% |
| Black | 3,390 | 11.8% |
| Asian | 1,452 | 5.1% |
| American Indian / Alaska Native | 409 | 1.4% |
| Native Hawaiian / Pacific Islander | 229 | 0.8% |
| Two or More Races | 124 | 0.4% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).