Missouri State Senate District 2

State Legislative District Profile (Upper Chamber)

Overview

District ID
mo-sd-002
State
Missouri
Chamber
Upper chamber (state senate)
District Code
002
Land Area
293.4 sq mi
Water Area
8.04 sq mi

Boundary

Boundary of Missouri State Senate District 2

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
St. Charles County293.60 sq mi100.0%52.4%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
O'Fallon city29.77 sq mi10.1%97.5%
Lake St. Louis city8.54 sq mi2.9%99.9%
Weldon Spring city7.65 sq mi2.6%100.0%
St. Paul city7.12 sq mi2.4%98.8%
Dardenne Prairie city5.31 sq mi1.8%99.5%
Cottleville city4.62 sq mi1.6%97.4%
Josephville village2.61 sq mi0.9%91.1%
New Melle city1.68 sq mi0.6%99.5%
Defiance CDP1.01 sq mi0.3%100.0%
Augusta town0.88 sq mi0.3%99.0%
Weldon Spring Heights town0.10 sq mi<0.1%100.0%

Showing all 11 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 290,82551.5%11.8%71.5%
MO District 385,37548.5%11.1%28.5%

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

Voters

Registered Voters
132,768
Active Voters
125,992 (94.9%)

Party Registration

PartyVotersShare
Democratic2,3801.8%
Republican4,5543.4%
Unaffiliated3,3692.5%
Other parties1470.1%
No party recorded122,31892.1%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202618,776 (14.1%)0 (0.0%)0 (0.0%)
2023–2024103,786 (78.2%)0 (0.0%)0 (0.0%)
2021–202269,596 (52.4%)0 (0.0%)0 (0.0%)
2019–202094,517 (71.2%)0 (0.0%)0 (0.0%)
2017–201873,926 (55.7%)0 (0.0%)0 (0.0%)
2015–201681,745 (61.6%)0 (0.0%)0 (0.0%)
2013–201442,324 (31.9%)0 (0.0%)0 (0.0%)
2011–201270,936 (53.4%)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
181,966 (± 1,586)
Median Age
40.7
Median Household Income
$120,106 (± $4,509)
High School Graduate or Higher (age 25+)
96.1%
Bachelor's Degree or Higher (age 25+)
45.3%

Population by Age

GroupPeopleShare
Under 1842,83823.5%
18 to 64109,87260.4%
65 and over29,25616.1%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)7,5674.2%
White, not Hispanic151,48583.2%
Black, not Hispanic7,7244.2%
Asian, not Hispanic6,5753.6%
American Indian / Alaska Native, not Hispanic700.0%
Native Hawaiian / Pacific Islander, not Hispanic140.0%
Some other race, not Hispanic7740.4%
Two or more races, not Hispanic7,7574.3%

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
177,684
Citizen Voting Age Population (CVAP)
135,357

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic170,85596.2%
Hispanic6,8273.8%
White153,51986.4%
Black7,8344.4%
Asian4,1482.3%
American Indian / Alaska Native720.0%
Native Hawaiian / Pacific Islander140.0%
Two or More Races3580.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic131,20296.9%
Hispanic4,1513.1%
White119,81388.5%
Black6,9745.2%
Asian3,4682.6%
American Indian / Alaska Native8090.6%
Native Hawaiian / Pacific Islander130.0%
Two or More Races2090.2%

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