Overview
- District ID
- mo-hd-101
- State
- Missouri
- Chamber
- Lower chamber
- District Code
- 101
- Land Area
- 24.8 sq mi
- Water Area
- 1.44 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. Louis County | 24.80 sq mi | 100.0% | 4.9% |
Showing all 1 county
Places
| Place | Overlap | Share of district land | Share of place land |
|---|
| Chesterfield city | 24.80 sq mi | 100.0% | 77.9% |
Showing all 1 place
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 | 37,597 | 100.0% | 4.9% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 29,808
- Active Voters
- 27,623 (92.7%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 612 | 2.1% |
| Republican | 743 | 2.5% |
| Unaffiliated | 774 | 2.6% |
| Other parties | 25 | 0.1% |
| No party recorded | 27,654 | 92.8% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 6,359 (21.3%) | 0 (0.0%) | 0 (0.0%) |
| 2023–2024 | 23,327 (78.3%) | 0 (0.0%) | 0 (0.0%) |
| 2021–2022 | 18,100 (60.7%) | 0 (0.0%) | 0 (0.0%) |
| 2019–2020 | 22,220 (74.5%) | 0 (0.0%) | 0 (0.0%) |
| 2017–2018 | 18,371 (61.6%) | 0 (0.0%) | 0 (0.0%) |
| 2015–2016 | 18,771 (63.0%) | 0 (0.0%) | 0 (0.0%) |
| 2013–2014 | 11,336 (38.0%) | 0 (0.0%) | 0 (0.0%) |
| 2011–2012 | 16,751 (56.2%) | 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
- 38,187 (± 918)
- Median Age
- 47.1
- Median Household Income
- $147,631 (± $7,177)
- High School Graduate or Higher (age 25+)
- 98.0%
- Bachelor's Degree or Higher (age 25+)
- 73.5%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 8,447 | 22.1% |
| 18 to 64 | 20,456 | 53.6% |
| 65 and over | 9,284 | 24.3% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 1,334 | 3.5% |
| White, not Hispanic | 28,523 | 74.7% |
| Black, not Hispanic | 980 | 2.6% |
| Asian, not Hispanic | 4,917 | 12.9% |
| American Indian / Alaska Native, not Hispanic | 35 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 0 | 0.0% |
| Some other race, not Hispanic | 147 | 0.4% |
| Two or more races, not Hispanic | 2,251 | 5.9% |
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
- 36,033
- Citizen Voting Age Population (CVAP)
- 27,973
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 34,742 | 96.4% |
| Hispanic | 1,296 | 3.6% |
| White | 29,069 | 80.7% |
| Black | 976 | 2.7% |
| Asian | 3,297 | 9.1% |
| American Indian / Alaska Native | 35 | 0.1% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 57 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 27,332 | 97.7% |
| Hispanic | 641 | 2.3% |
| White | 23,591 | 84.3% |
| Black | 1,009 | 3.6% |
| Asian | 2,559 | 9.1% |
| American Indian / Alaska Native | 152 | 0.5% |
| Native Hawaiian / Pacific Islander | 0 | 0.0% |
| Two or More Races | 32 | 0.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
