Louisiana House of Representatives seat · lines in effect since 2022

Louisiana House District 78

A district of about 48,000 people, 21% Hispanic, 34% of adults with a bachelor's degree. It votes R+43.5 relative to the nation for president.

John Illg (R) · since Oct 12, 2019Next election Nov 2, 2027

Where it sits among all 103 seats

Every Louisiana House of Representatives seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

R+43.559th most
Democratic
Most DemocraticMost Republican52nd seat · the majority lineDistrict 78

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Who lives here, compared

Grey bars show the spread of all 103 seats. Small marks are other seats in Louisiana. The black marker is District 78.

Adults with a bachelor's degree34% 77th pct · 24th of 103 in LA

Higher than 77% of seats.

White adults without a degree46% 56th pct · 46th of 103 in LA

Higher than 56% of seats.

Hispanic residents21% 99th pct · 2nd of 103 in LA

Higher than 99% of seats.

Black residents5% 3rd pct · 100th of 103 in LA

Lower than 97% of seats.

Asian residents3% 80th pct · 21st of 103 in LA

Higher than 80% of seats.

People per square mile5,066 93rd pct · 8th of 103 in LA

Denser than 93% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET