Overview
- District ID
- mo-sd-028
- State
- Missouri
- Chamber
- Upper chamber (state senate)
- District Code
- 028
- Land Area
- 5,634.3 sq mi
- Water Area
- 171.3 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 9 counties
Places
Showing top 25 of 63 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 4 | 184,368 | 100.0% | 24.0% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 128,446
- Active Voters
- 119,451 (93.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 623 | 0.5% |
| Republican | 3,124 | 2.4% |
| Unaffiliated | 3,076 | 2.4% |
| Other parties | 81 | 0.1% |
| No party recorded | 121,542 | 94.6% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 14,996 (11.7%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 90,984 (70.8%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 63,768 (49.6%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 81,704 (63.6%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 63,140 (49.2%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 69,201 (53.9%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 38,181 (29.7%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 59,160 (46.1%) | 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
- 188,345
- Median Age
- 42.5
- Median Household Income
- $55,156 (± $1,337)
- High School Graduate or Higher (age 25+)
- 88.4%
- Bachelor's Degree or Higher (age 25+)
- 17.6%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 42,817 | 22.7% |
| 18 to 64 | 104,395 | 55.4% |
| 65 and over | 41,133 | 21.8% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 7,976 | 4.2% |
| White, not Hispanic | 168,924 | 89.7% |
| Black, not Hispanic | 2,038 | 1.1% |
| Asian, not Hispanic | 847 | 0.4% |
| American Indian / Alaska Native, not Hispanic | 317 | 0.2% |
| Native Hawaiian / Pacific Islander, not Hispanic | 210 | 0.1% |
| Some other race, not Hispanic | 655 | 0.3% |
| Two or more races, not Hispanic | 7,378 | 3.9% |
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
- 185,876
- Citizen Voting Age Population (CVAP)
- 143,317
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 179,118 | 96.4% |
| Hispanic | 6,755 | 3.6% |
| White | 170,277 | 91.6% |
| Black | 1,980 | 1.1% |
| Asian | 644 | 0.3% |
| American Indian / Alaska Native | 317 | 0.2% |
| Native Hawaiian / Pacific Islander | 174 | 0.1% |
| Two or More Races | 222 | 0.1% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 139,376 | 97.3% |
| Hispanic | 3,945 | 2.8% |
| White | 133,508 | 93.2% |
| Black | 2,225 | 1.6% |
| Asian | 776 | 0.5% |
| American Indian / Alaska Native | 2,670 | 1.9% |
| Native Hawaiian / Pacific Islander | 81 | 0.1% |
| Two or More Races | 131 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).