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Indiana's 8th 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 Mark B. Messmer

Mark B. Messmer

IN · District 8
Republican
Raised $1,171,366 · 4K followers (office + personal) · missed 0.0% of votes
1.7 years in Congress · Up for reelection: 2026
House Committee on Agriculture · House Committee on Armed Services +8 more
View profile

Cook PVI: R+18

District demographics

MeasureValue
Population758,402
Median household income$65,297
Median age40.0
Bachelor's degree or higher24.8%
White alone87.5%
Black alone3.1%
Hispanic or Latino3.3%
Asian alone1.1%
Unemployment rate4.1%
Population density (per sq mi)94

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.