Missouri's 4th Congressional District
Missouri · MO-04
Missouri's 4th Congressional District is one of 8 U.S. House districts in Missouri, represented in Congress by Mark Alford (Republican). It is home to roughly 781,241 people, with a median age of 38.9. The population is about 81% White. The median household income is $71,630, and 33% of adults 25 and older hold a bachelor’s degree or higher. In the 2024 presidential election it voted safely Republican (R+42).
Representative
Current U.S. House member (source: house.gov).
Geography
MO-04 is shown in red. Click a neighboring district to open it, or zoom out to explore the country.
Covering 10,429 square miles, MO-04 is the 72nd-largest of the 435 congressional districts by land area. With about 75 residents per square mile, it is a predominantly rural district. Its shape is fairly compact: the district's Polsby-Popper score of 0.35 ranks 123rd of 435 nationally, where 1st is the most compact.
Presidential results
In the 2024 presidential election, 28% of MO-04 voters backed Kamala Harris and 71% Donald Trump — a R+42 margin. That is a 3.0-point shift toward the Republicans from 2020, when the district voted R+39.
Two-party presidential vote by district (source: The Downballot).
Who lives here
The median resident of the district is 38.9 years old; 22.3% of residents are under 18 and 17.9% are 65 or older. About 3.2% of residents were born outside the United States, and 5.7% speak a language other than English at home.
U.S. Census Bureau, American Community Survey (5-year estimates).
Economy & education
At $71,630, the district's median household income ranks 271st of 435 districts nationwide. The typical owner-occupied home is worth $236,678, and the median rent is $1,100 a month. 11.8% of residents live below the poverty line, and workers average a 26-minute commute (13.4% work from home).
U.S. Census Bureau, American Community Survey (5-year estimates).