Missouri Congressional District 01

Voters

Registered Voters: 525,905
Active Voters: 472,762 (89.9%)

Party Registration

Party	Voters	Share
Democratic	27,762	5.3%
Republican	5,511	1.0%
Unaffiliated	14,147	2.7%
Other parties	482	0.1%
No party recorded	478,003	90.9%

Turnout by Cycle

Cycle	General	Democratic Primary	Republican Primary
2025–2026	89,106 (16.9%)	0 (0.0%)	0 (0.0%)
2023–2024	319,858 (60.8%)	0 (0.0%)	0 (0.0%)
2021–2022	227,961 (43.3%)	0 (0.0%)	0 (0.0%)
2019–2020	317,923 (60.5%)	0 (0.0%)	0 (0.0%)
2017–2018	261,110 (49.6%)	0 (0.0%)	0 (0.0%)
2015–2016	272,796 (51.9%)	0 (0.0%)	0 (0.0%)
2013–2014	139,732 (26.6%)	0 (0.0%)	0 (0.0%)
2011–2012	249,683 (47.5%)	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.

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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: 723,155
Citizen Voting Age Population (CVAP): 567,242

Citizen Population by Race/Ethnicity

Group	Citizens	Share
Non-Hispanic	696,506	96.3%
Hispanic	26,655	3.7%
White	311,359	43.1%
Black	340,367	47.1%
Asian	15,640	2.2%
American Indian / Alaska Native	681	0.1%
Native Hawaiian / Pacific Islander	108	0.0%
Two or More Races	4,598	0.6%

Citizen Voting Age Population by Race/Ethnicity

Group	CVAP	Share
Non-Hispanic	550,840	97.1%
Hispanic	16,405	2.9%
White	268,108	47.3%
Black	262,248	46.2%
Asian	15,088	2.7%
American Indian / Alaska Native	5,029	0.9%
Native Hawaiian / Pacific Islander	90	0.0%
Two or More Races	2,691	0.5%

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