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Iowa's 1st district

U.S. House district profile: the sitting representative, 2024 Census demographics (119th-district boundaries), partisan lean, and 2026 race rating.

Representative

Official portrait of Mariannette Miller-Meeks

Mariannette Miller-Meeks

IA · District 1
RepublicanChair, HealthCook: Toss-Up
Raised $7,208,271 · 56K followers (office + personal) · missed 0.6% of votes
5.7 years in Congress · Up for reelection: 2026
House Committee on Energy and Commerce · House Committee on Veterans' Affairs +4 more
View profile

Cook PVI: R+4

2026 race rating: Toss-Up

District demographics

MeasureValue
Population804,704
Median household income$72,200
Median age39.6
Bachelor's degree or higher32.8%
White alone82.5%
Black alone4.3%
Hispanic or Latino6.2%
Asian alone2.2%
Unemployment rate3.2%
Population density (per sq mi)74

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.