Robert F. Onder, Jr.
MO · District 3
Republican
Raised $1,900,700 · 10K followers (office + personal) · missed 1.3% of votes
House Committee on Transportation and Infrastructure · House Committee on the Judiciary +9 more
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US Federal Government Directory › Districts › Missouri's 3rd district
Missouri's 3rd district
U.S. House district profile: the sitting representative, 2024 Census demographics (119th-district boundaries), partisan lean, and 2026 race rating.
Representative
Cook PVI: R+13
District demographics
| Measure | Value |
|---|---|
| Population | 799,877 |
| Median household income | $84,323 |
| Median age | 39.7 |
| Bachelor's degree or higher | 36.4% |
| White alone | 84.0% |
| Black alone | 4.8% |
| Hispanic or Latino | 3.6% |
| Asian alone | 2.4% |
| Unemployment rate | 2.8% |
| Population density (per sq mi) | 106 |
Source: U.S. Census Bureau, 2024 American Community Survey 1-year estimates (tables B01003, B01002, B19013 and related), 119th Congress district boundaries, released September 2025; land area from the 2025 Gazetteer.