119th Congress · MO-3
Missouri's 3rd Congressional District
Missouri's 3rd Congressional District (MO-3) has a population of 775,773. The median household income is $80,027 and the median age is 39.2.
775,773
Population
102
People / sq mi
$80,027
Median Income
39.2
Median Age
MO-3 covers 7,585 sq mi of land at 102.3 people per square mile.
Race & Ethnicity
| White | 86.3% |
| Black or African American | 4.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
Economy & Income
$80,027
Median Household Income
$41,310
Per Capita Income
5.9%
Poverty Rate
2.2%
Unemployment
Housing
$249,300
Median Home Value
$1,015
Median Rent
75.0%
Homeownership
Education
92.9%
High School+
35.2%
Bachelor's+
Other Missouri Congressional Districts
Largest cities in Missouri
Largest counties in Missouri
State rankings
Frequently Asked Questions
Missouri's 3rd Congressional District (MO-3) has a population of 775,773 according to the latest Census ACS 5-Year estimates. Each US Congressional District is drawn to be roughly equal in population (~760K people).
The median household income in Missouri's 3rd Congressional District is $80,027, with a per capita income of $41,310.
Missouri's 3rd Congressional District is 86.3% White, 4.7% Black, 0.0% Asian, and 1.2% Hispanic or Latino, per Census ACS data.
More from Missouri
Data for Missouri's 3rd Congressional District (119th Congress) from the American Community Survey 5-Year estimates. Land area from the Census Gazetteer files. Congressional districts are redrawn after each decennial Census; the 119th Congress (current) uses post-2020 boundaries.
For this entity, the underlying data on this page comes from the U.S. Census Bureau ACS and decennial files. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
Every number on this page links back to the U.S. Census Bureau ACS and decennial files; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: U.S. Census Bureau ACS, 2026.