Ohio State House District 21

State Legislative District Profile (Lower Chamber)

Overview

District ID
oh-hd-021
State
Ohio
Chamber
Lower chamber
District Code
021
Land Area
29 sq mi
Water Area
1.36 sq mi

Boundary

Boundary of Ohio State House District 21

Boundary as GeoJSON

Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.

Counties

CountyOverlapShare of district landShare of county land
Cuyahoga County29.03 sq mi100.0%6.3%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Euclid city10.66 sq mi36.7%100.0%
Beachwood city5.26 sq mi18.1%100.0%
South Euclid city4.66 sq mi16.0%100.0%
Lyndhurst city4.43 sq mi15.3%100.0%
Cleveland city2.19 sq mi7.6%2.8%
University Heights city1.83 sq mi6.3%100.0%

Showing all 6 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
OH District 11125,125100.0%15.9%100.0%

Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).

Voters

Registered Voters
87,245
Active Voters
72,660 (83.3%)

Party Registration

PartyVotersShare
Democratic17,63620.2%
Republican5,3556.1%
Unaffiliated00.0%
Other parties00.0%
No party recorded64,25473.6%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202622,047 (25.3%)5,803 (6.7%)1,379 (1.6%)
2023–202459,887 (68.6%)13,385 (15.3%)4,167 (4.8%)
2021–202240,460 (46.4%)18,542 (21.3%)4,462 (5.1%)
2019–202059,224 (67.9%)15,702 (18.0%)2,680 (3.1%)
2017–201845,980 (52.7%)13,239 (15.2%)3,278 (3.8%)
2015–201652,497 (60.2%)20,668 (23.7%)7,987 (9.2%)
2013–201429,270 (33.5%)9,073 (10.4%)2,099 (2.4%)
2011–201249,267 (56.5%)9,927 (11.4%)3,934 (4.5%)

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.

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
123,925 (± 934)
Median Age
40.8
Median Household Income
$62,260 (± $2,401)
High School Graduate or Higher (age 25+)
93.4%
Bachelor's Degree or Higher (age 25+)
39.4%

Population by Age

GroupPeopleShare
Under 1826,00921.0%
18 to 6473,15159.0%
65 and over24,76520.0%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)2,7342.2%
White, not Hispanic54,58044.0%
Black, not Hispanic58,61147.3%
Asian, not Hispanic2,5092.0%
American Indian / Alaska Native, not Hispanic780.1%
Native Hawaiian / Pacific Islander, not Hispanic00.0%
Some other race, not Hispanic8550.7%
Two or more races, not Hispanic4,5583.7%

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
121,331
Citizen Voting Age Population (CVAP)
95,636

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic118,77797.9%
Hispanic2,5512.1%
White54,62845.0%
Black58,91548.6%
Asian1,5171.3%
American Indian / Alaska Native820.1%
Native Hawaiian / Pacific Islander10.0%
Two or More Races7060.6%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic93,75698.0%
Hispanic1,8802.0%
White45,59147.7%
Black45,83547.9%
Asian1,5321.6%
American Indian / Alaska Native4490.5%
Native Hawaiian / Pacific Islander00.0%
Two or More Races5670.6%

Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).