Missouri State House District 64

State Legislative District Profile (Lower Chamber)

Overview

District ID
mo-hd-064
State
Missouri
Chamber
Lower chamber
District Code
064
Land Area
93.7 sq mi
Water Area
1.01 sq mi

Boundary

Boundary of Missouri State House District 64

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
St. Charles County93.71 sq mi100.0%16.7%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
O'Fallon city7.71 sq mi8.2%25.2%
St. Paul city7.12 sq mi7.6%98.8%
Wentzville city3.52 sq mi3.8%16.2%
Flint Hill city3.21 sq mi3.4%100.0%
Josephville village2.61 sq mi2.8%91.1%
Foristell city2.43 sq mi2.6%39.9%
Lake St. Louis city0.03 sq mi<0.1%0.4%

Showing all 7 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
MO District 336,67999.6%4.8%98.6%
MO District 21460.4%<0.1%1.4%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
29,005
Active Voters
27,596 (95.1%)

Party Registration

PartyVotersShare
Democratic4591.6%
Republican1,1263.9%
Unaffiliated7192.5%
Other parties290.1%
No party recorded26,67292.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20262,581 (8.9%)0 (0.0%)0 (0.0%)
2023–202422,463 (77.4%)0 (0.0%)0 (0.0%)
2021–202214,116 (48.7%)0 (0.0%)0 (0.0%)
2019–202020,311 (70.0%)0 (0.0%)0 (0.0%)
2017–201815,055 (51.9%)0 (0.0%)0 (0.0%)
2015–201617,456 (60.2%)0 (0.0%)0 (0.0%)
2013–20148,762 (30.2%)0 (0.0%)0 (0.0%)
2011–201214,973 (51.6%)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
40,779 (± 2,028)
Median Age
39.2
Median Household Income
$105,421 (± $5,052)
High School Graduate or Higher (age 25+)
96.1%
Bachelor's Degree or Higher (age 25+)
36.5%

Population by Age

GroupPeopleShare
Under 1810,13624.9%
18 to 6423,78558.3%
65 and over6,85816.8%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)2,3025.6%
White, not Hispanic33,03181.0%
Black, not Hispanic2,1775.3%
Asian, not Hispanic1,2133.0%
American Indian / Alaska Native, not Hispanic50.0%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic1210.3%
Two or more races, not Hispanic1,9304.7%

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
39,889
Citizen Voting Age Population (CVAP)
29,819

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic37,80894.8%
Hispanic2,0835.2%
White33,48984.0%
Black2,1705.4%
Asian6831.7%
American Indian / Alaska Native40.0%
Native Hawaiian / Pacific Islander20.0%
Two or More Races760.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic28,70996.3%
Hispanic1,1113.7%
White25,97587.1%
Black1,8606.2%
Asian6762.3%
American Indian / Alaska Native2040.7%
Native Hawaiian / Pacific Islander00.0%
Two or More Races410.1%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).