Missouri Congressional District 03

Congressional District Profile

Overview

District ID
MO-03
State
Missouri
District Number
03
Total Candidates
136
Election Cycles
2026, 2024, 2022, 2020, 2018, 2016, 2014, 2012, 2010, 2008, 2006, 2004, 2002, 2000, 1998, 1996, 1994, 1992, 1990, 1988, 1986, 1984, 1982, 1980

View office details for U.S. Representative - Missouri District 03

Voters

Registered Voters
550,314
Active Voters
509,712 (92.6%)

Party Registration

PartyVotersShare
Democratic12,5422.3%
Republican16,9643.1%
Unaffiliated47,9128.7%
Other parties7170.1%
No party recorded472,17985.8%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202686,950 (15.8%)0 (0.0%)0 (0.0%)
2023–2024410,137 (74.5%)0 (0.0%)0 (0.0%)
2021–2022275,390 (50.0%)0 (0.0%)0 (0.0%)
2019–2020371,848 (67.6%)0 (0.0%)0 (0.0%)
2017–2018289,837 (52.7%)0 (0.0%)0 (0.0%)
2015–2016315,008 (57.2%)0 (0.0%)0 (0.0%)
2013–2014166,075 (30.2%)0 (0.0%)0 (0.0%)
2011–2012269,808 (49.0%)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 Citizen Population
767,140
Citizen Voting Age Population (CVAP)
602,842

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic742,71796.8%
Hispanic24,4163.2%
White670,96887.5%
Black35,2684.6%
Asian11,1831.5%
American Indian / Alaska Native8720.1%
Native Hawaiian / Pacific Islander3240.0%
Two or More Races1,6930.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic587,40997.4%
Hispanic15,4372.6%
White536,44389.0%
Black32,4755.4%
Asian11,0681.8%
American Indian / Alaska Native6,6911.1%
Native Hawaiian / Pacific Islander2390.0%
Two or More Races1,0240.2%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation.

Candidates