Overview
- District ID
- oh-sd-020
- State
- Ohio
- Chamber
- Upper chamber (state senate)
- District Code
- 020
- Land Area
- 1,426.4 sq mi
- Water Area
- 12 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
Showing all 3 counties
Places
Showing top 25 of 52 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| OH District 12 | 359,774 | 100.0% | 45.7% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 249,250
- Active Voters
- 221,932 (89.0%)
Party Registration
| Party | Voters | Share |
|---|
| Democratic | 15,976 | 6.4% |
| Republican | 56,984 | 22.9% |
| Unaffiliated | 0 | 0.0% |
| Other parties | 0 | 0.0% |
| No party recorded | 176,290 | 70.7% |
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2025–2026 | 61,991 (24.9%) | <10 (—) | 13,507 (5.4%) |
| 2023–2024 | 195,874 (78.6%) | 12,242 (4.9%) | 43,380 (17.4%) |
| 2021–2022 | 135,816 (54.5%) | 14,552 (5.8%) | 46,104 (18.5%) |
| 2019–2020 | 180,766 (72.5%) | 20,692 (8.3%) | 31,352 (12.6%) |
| 2017–2018 | 130,236 (52.3%) | 14,633 (5.9%) | 30,797 (12.4%) |
| 2015–2016 | 151,468 (60.8%) | 24,121 (9.7%) | 62,377 (25.0%) |
| 2013–2014 | 85,632 (34.4%) | 7,929 (3.2%) | 18,600 (7.5%) |
| 2011–2012 | 132,513 (53.2%) | 10,037 (4.0%) | 36,845 (14.8%) |
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.
Browse the voter list for this district (premium access; sign-in required)
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 Population
- 367,211 (± 440)
- Median Age
- 39.9
- Median Household Income
- $86,524 (± $1,480)
- High School Graduate or Higher (age 25+)
- 93.4%
- Bachelor's Degree or Higher (age 25+)
- 30.0%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 85,908 | 23.4% |
| 18 to 64 | 218,310 | 59.5% |
| 65 and over | 62,993 | 17.2% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 9,229 | 2.5% |
| White, not Hispanic | 308,027 | 83.9% |
| Black, not Hispanic | 22,660 | 6.2% |
| Asian, not Hispanic | 11,730 | 3.2% |
| American Indian / Alaska Native, not Hispanic | 154 | 0.0% |
| Native Hawaiian / Pacific Islander, not Hispanic | 191 | 0.1% |
| Some other race, not Hispanic | 1,728 | 0.5% |
| Two or more races, not Hispanic | 13,492 | 3.7% |
Source: U.S. Census Bureau, American Community Survey 2020-2024 ACS 5-year estimates (tables B01001, B01002, B01003, B03002, B15003, B19013) for this state legislative district. Estimates are survey-based; ± figures are 90% margins of error.
Citizen Voting Age Population
- Total Citizen Population
- 362,463
- Citizen Voting Age Population (CVAP)
- 276,939
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 354,033 | 97.7% |
| Hispanic | 8,432 | 2.3% |
| White | 310,599 | 85.7% |
| Black | 22,470 | 6.2% |
| Asian | 9,799 | 2.7% |
| American Indian / Alaska Native | 152 | 0.0% |
| Native Hawaiian / Pacific Islander | 193 | 0.1% |
| Two or More Races | 787 | 0.2% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 271,643 | 98.1% |
| Hispanic | 5,292 | 1.9% |
| White | 242,796 | 87.7% |
| Black | 18,843 | 6.8% |
| Asian | 7,351 | 2.7% |
| American Indian / Alaska Native | 2,376 | 0.9% |
| Native Hawaiian / Pacific Islander | 194 | 0.1% |
| Two or More Races | 427 | 0.2% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).
