Ohio Congressional District 04

Congressional District Profile

Overview

District ID
OH-04
State
Ohio
District Number
04
Total Candidates
62
Election Cycles
2026, 2024, 2022, 2020, 2018, 2016, 2014, 2012, 2010, 2008, 2006, 2004, 2002, 2000, 1998, 1996, 1994, 1992, 1990, 1988, 1986, 1984, 1982, 1980

View office details for U.S. Representative - Ohio District 04

Voters

Registered Voters
518,290
Active Voters
461,576 (89.1%)

Party Registration

PartyVotersShare
Democratic31,6346.1%
Republican137,22926.5%
Unaffiliated00.0%
Other parties00.0%
No party recorded349,42767.4%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–2026134,452 (25.9%)2,901 (0.6%)7,525 (1.5%)
2023–2024404,570 (78.1%)23,848 (4.6%)107,574 (20.8%)
2021–2022283,522 (54.7%)24,205 (4.7%)108,859 (21.0%)
2019–2020372,131 (71.8%)36,129 (7.0%)76,368 (14.7%)
2017–2018271,791 (52.4%)24,364 (4.7%)74,947 (14.5%)
2015–2016320,571 (61.9%)42,899 (8.3%)144,305 (27.8%)
2013–2014186,412 (36.0%)17,791 (3.4%)55,907 (10.8%)
2011–2012281,301 (54.3%)14,383 (2.8%)80,576 (15.5%)

Turnout counts today's registered voters with a counted ballot in the cycle's elections (the odd and even year), as a share of today's registered voters. Voters who have since left the rolls are not counted.

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Source: Civitech voter file snapshot as of 01/20/2026. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Citizen Population
781,786
Citizen Voting Age Population (CVAP)
598,648

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic762,09797.5%
Hispanic19,6902.5%
White684,84087.6%
Black33,4534.3%
Asian15,6562.0%
American Indian / Alaska Native7860.1%
Native Hawaiian / Pacific Islander2150.0%
Two or More Races2,5780.3%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic586,13297.9%
Hispanic12,5102.1%
White533,38089.1%
Black32,8235.5%
Asian12,6892.1%
American Indian / Alaska Native6,4141.1%
Native Hawaiian / Pacific Islander2120.0%
Two or More Races1,4640.2%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation.

Candidates