Ohio State Senate seat · lines in effect since 2024

Ohio Senate District 4

A district of about 370,000 people, 34% of adults with a bachelor's degree. It votes R+24.0 relative to the nation for president.

Where it sits among all 33 seats

Every Ohio State Senate 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+24.022nd most
Democratic
Most DemocraticMost Republican17th seat · the majority lineDistrict 4

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.

201620182024
U.S. SenateR+45.8R+20.1R+17.6
GovernorNo raceR+26.8No race

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

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

Who lives here, compared

Grey bars show the spread of all 33 seats. Small marks are other seats in Ohio. The black marker is District 4.

Adults with a bachelor's degree34% 66th pct · 12th of 33 in OH

Higher than 66% of seats.

White adults without a degree51% 38th pct · 21st of 33 in OH

Lower than 62% of seats.

Hispanic residents7% 81st pct · 7th of 33 in OH

Higher than 81% of seats.

Black residents9% 62nd pct · 13th of 33 in OH

Higher than 62% of seats.

Asian residents5% 88th pct · 5th of 33 in OH

Higher than 88% of seats.

People per square mile945 72nd pct · 10th of 33 in OH

Denser than 72% of seats.

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