99chambers

Indiana House of Representatives seat · lines in effect since 2022

Indiana House District 100

A district of about 62,000 people, 34% of adults with a bachelor's degree. It votes D+43.2 relative to the nation for president.

Blake Johnson (D) · since Nov 3, 2020Next election Nov 7, 2028The 2026 race →

Where it sits among all 100 seats

Every Indiana 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.

D+43.29th most
Democratic
Most DemocraticMost Republican51st seat · the majority lineDistrict 100

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

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

2024
U.S. SenateD+42.0
GovernorD+44.2
Indiana House of RepresentativesD+43.4

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: Indiana Election Division and civicAPIUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 100 seats. Small marks are other seats in Indiana. The black marker is District 100.

Adults with a bachelor's degree34% 74th pct · 27th of 100 in IN

Higher than 74% of seats.

White adults without a degree40% 21st pct · 79th of 100 in IN

Lower than 79% of seats.

Hispanic residents14% 81st pct · 20th of 100 in IN

Higher than 81% of seats.

Black residents17% 84th pct · 17th of 100 in IN

Higher than 84% of seats.

Asian residents1% 38th pct · 62nd of 100 in IN

Lower than 62% of seats.

People per square mile4,046 100th pct · 1st of 100 in IN

Densest of 100 seats.

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

Seats most like this one

Nearest seats on demographics, density and lean.

District 6
20% Black · 27% college gradsD+32.6Held DDistrict 82
24% college gradsD+16.9Held DDistrict 92
32% Black · 30% college gradsD+16.7Held DDistrict 87
56% college gradsD+30.6Held D

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 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 has held it

These lines took effect in 2022.

  1. Blake Johnson (D)
    2023– · Won 2022 unopposed, 2024 by 43.4, 2026 unopposed

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)