Missouri State House District 123

State Legislative District Profile (Lower Chamber)

Overview

District ID
mo-hd-123
State
Missouri
Chamber
Lower chamber
District Code
123
Land Area
486.3 sq mi
Water Area
50.5 sq mi

Boundary

Boundary of Missouri State House District 123

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Camden County486.42 sq mi100.0%74.1%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Osage Beach city8.64 sq mi1.8%88.0%
Camdenton city5.49 sq mi1.1%99.9%
Sunrise Beach village5.45 sq mi1.1%93.9%
Village of Four Seasons village4.65 sq mi1.0%100.0%
Montreal CDP1.36 sq mi0.3%100.0%
Linn Creek city1.30 sq mi0.3%100.0%
Climax Springs CDP0.81 sq mi0.2%99.9%
Lake Ozark city0.40 sq mi0.1%5.6%
Stoutland city0.32 sq mi0.1%53.8%
Richland city0.15 sq mi<0.1%6.5%
Friedenswald village0.10 sq mi<0.1%99.7%
Laurie city0.08 sq mi<0.1%1.5%

Showing all 12 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 426,97569.4%3.5%93.3%
MO District 311,89730.6%1.5%6.7%

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

Voters

Registered Voters
32,021
Active Voters
30,777 (96.1%)

Party Registration

PartyVotersShare
Democratic2180.7%
Republican1,0443.3%
Unaffiliated5261.6%
Other parties150.0%
No party recorded30,21894.4%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–20261,768 (5.5%)0 (0.0%)0 (0.0%)
2023–202423,043 (72.0%)0 (0.0%)0 (0.0%)
2021–202216,501 (51.5%)0 (0.0%)0 (0.0%)
2019–202020,050 (62.6%)0 (0.0%)0 (0.0%)
2017–201815,647 (48.9%)0 (0.0%)0 (0.0%)
2015–201616,462 (51.4%)0 (0.0%)0 (0.0%)
2013–20149,154 (28.6%)0 (0.0%)0 (0.0%)
2011–201214,281 (44.6%)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
39,673 (± 470)
Median Age
53.6
Median Household Income
$66,383 (± $5,039)
High School Graduate or Higher (age 25+)
93.7%
Bachelor's Degree or Higher (age 25+)
27.3%

Population by Age

GroupPeopleShare
Under 186,55416.5%
18 to 6420,97552.9%
65 and over12,14430.6%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)1,4723.7%
White, not Hispanic36,50992.0%
Black, not Hispanic3700.9%
Asian, not Hispanic2220.6%
American Indian / Alaska Native, not Hispanic140.0%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic520.1%
Two or more races, not Hispanic1,0342.6%

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
39,154
Citizen Voting Age Population (CVAP)
32,685

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic37,88196.7%
Hispanic1,2733.3%
White36,68593.7%
Black2510.6%
Asian1650.4%
American Indian / Alaska Native170.0%
Native Hawaiian / Pacific Islander00.0%
Two or More Races40.0%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic31,95397.8%
Hispanic7292.2%
White31,10795.2%
Black2940.9%
Asian1920.6%
American Indian / Alaska Native3541.1%
Native Hawaiian / Pacific Islander20.0%
Two or More Races70.0%

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