Ohio's 1st Congressional District

Ohio's 1st Congressional District is represented by Greg Landsman (Democrat), who has held the seat since 2023. Landsman has an overall VoteSee report card grade of C, voted in 99% of roll-call votes on bills this Congress, and votes with the Democratic majority 92% of the time. The district includes Cincinnati, Mason, and Lebanon. It takes in all or part of 2 counties, and 69% of residents live in Hamilton County. About 795,000 people live in the district, and the median household income is $80,294.

Current Representative

Greg Landsman (Democrat) has represented Ohio's 1st Congressional District since 2023.

VoteSee report card grade: C
Attendance in the 119th Congress: 99% of roll-call votes on bills
Votes with the Democrat majority: 92%

See Greg Landsman's full voting record and issue positions →

2026 Election

U.S. House: Ohio 1st District

Winner: Greg Landsman.

Incumbent Greg Landsman is running for re-election. 3 candidates were on the Nov 3, 2026 ballot.

Greg Landsman (Democratic), incumbent: raised $5.7M, $503K cash on hand; VoteSee report card C; 99% attendance; votes with the Democratic majority 92% of the time
Eric Conroy (Republican): raised $2.4M, $293K cash on hand
Nathan Weise (Libertarian)

Polls

Poll average: Greg Landsman 47.5%, Eric Conroy 40.5%. Simple average of 2 polls that ended Oct 11, 2026 – Nov 10, 2026, each pollster's latest (likely voters when it reports both).

Pollster	Dates	Sample	Landsman	Conroy
RedBox Research (D)	Oct 20, 2026 – Oct 23, 2026	821 LV	48%	39%
Quantus Insights	Oct 19, 2026 – Oct 21, 2026	561 LV	47%	42%
Torchlight Strategies (R)	Sep 29, 2026 – Oct 2, 2026	400 LV	46%	44%
Quantus Insights	Aug 21, 2026 – Aug 24, 2026	509 LV	47%	43%

Polls compiled from Wikipedia; see each pollster for full results.

See the full 2026 race →

District Demographics

Population: 794,614
Median household income: $80,294
Median age: 37
Median home value: $299,600
Bachelor's degree or higher: 46.4%

Source: American Community Survey 2020–2024 5-year estimates, 119th Congress boundaries.

How Landsman Voted Recently

Yea on American Enrichment Deployment Act (Nov 9, 2026) — Passed
Yea on Nuclear REFUEL (Recycling Efficient Fuels Utilizing Expedited Licensing) Act (Nov 9, 2026) — Passed
Yea on Retire through Ownership Act (Sep 16, 2026) — Passed
Yea on Water Resources Development Act of 2026 (Sep 16, 2026) — Passed
Yea on Ratepayer Protection Act (Sep 16, 2026) — Passed

Breaks with the Democrat majority

Yea on Lindsey O. Graham Sanctioning Russia and Iran Act of 2026 (Sep 16, 2026) — Passed
Yea on Protect Economic and Academic Freedom Act of 2026 (Sep 3, 2026) — Passed
Yea on Main Street Act (Jul 21, 2026) — Passed

Who Held This Seat Before

Members of Congress who previously represented Ohio's 1st Congressional District. District lines are redrawn after each census, so earlier members may have represented a different area under this number.

Steve Chabot — Republican (2011–2023)
Steve Driehaus — Democrat (2009–2011)
Steve Chabot — Republican (1995–2009)
David Mann — Democrat (1993–1995)
Charles Luken — Democrat (1991–1993)
Thomas Luken — Democrat (1983–1991)
Willis Gradison — Republican (1975–1983)
William Keating — Republican (1971–1975)
Thomas Luken — Democrat (1973–1975)
Robert Taft — Republican (1967–1971)
John Gilligan — Democrat (1965–1967)
Carl Rich — Republican (1963–1965)

Where the District Is

Ohio's 1st Congressional District covers 601 square miles of land. Boundaries are for the current (119th) Congress.

Counties

Hamilton County (part): 69% of residents
Warren County: 31% of residents

Largest communities

Cincinnati
Mason
Lebanon
Norwood
Springboro (part)
Blue Ash
Franklin
Montgomery