Overview
- District ID
- mo-sd-019
- State
- Missouri
- Chamber
- Upper chamber (state senate)
- District Code
- 019
- Land Area
- 685.6 sq mi
- Water Area
- 5.49 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 |
|---|
| Boone County | 685.55 sq mi | 100.0% | 100.0% |
Showing all 1 county
Places
Showing all 12 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 | 103,544 | 56.4% | 13.5% | 41.9% |
| MO District 4 | 80,066 | 43.6% | 10.4% | 58.1% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 126,505
- Active Voters
- 110,106 (87.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 5,749 | 4.5% |
| Republican | 4,268 | 3.4% |
| Unaffiliated | 45,803 | 36.2% |
| Other parties | 329 | 0.3% |
| No party recorded | 70,356 | 55.6% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 31,449 (24.9%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 90,816 (71.8%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 62,935 (49.7%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 80,655 (63.8%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 63,098 (49.9%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 64,681 (51.1%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 35,401 (28.0%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 54,261 (42.9%) | 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
- 188,043
- Median Age
- 32.7
- Median Household Income
- $72,758 (± $1,612)
- High School Graduate or Higher (age 25+)
- 95.4%
- Bachelor's Degree or Higher (age 25+)
- 51.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 37,890 | 20.1% |
| 18 to 64 | 124,807 | 66.4% |
| 65 and over | 25,346 | 13.5% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 8,454 | 4.5% |
| White, not Hispanic | 142,496 | 75.8% |
| Black, not Hispanic | 17,873 | 9.5% |
| Asian, not Hispanic | 9,052 | 4.8% |
| American Indian / Alaska Native, not Hispanic | 145 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 154 | 0.1% |
| Some other race, not Hispanic | 829 | 0.4% |
| Two or more races, not Hispanic | 9,040 | 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
- 181,958
- Citizen Voting Age Population (CVAP)
- 144,841
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 174,617 | 96.0% |
| Hispanic | 7,339 | 4.0% |
| White | 143,509 | 78.9% |
| Black | 17,448 | 9.6% |
| Asian | 5,636 | 3.1% |
| American Indian / Alaska Native | 147 | 0.1% |
| Native Hawaiian / Pacific Islander | 99 | 0.1% |
| Two or More Races | 517 | 0.3% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 139,962 | 96.6% |
| Hispanic | 4,880 | 3.4% |
| White | 118,201 | 81.6% |
| Black | 14,222 | 9.8% |
| Asian | 5,873 | 4.1% |
| American Indian / Alaska Native | 1,365 | 0.9% |
| Native Hawaiian / Pacific Islander | 67 | 0.0% |
| Two or More Races | 332 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
