Ohio State House District 18

State Legislative District Profile (Lower Chamber)

Overview

District ID
oh-hd-018
State
Ohio
Chamber
Lower chamber
District Code
018
Land Area
32 sq mi
Water Area
0.1 sq mi

Boundary

Boundary of Ohio State House District 18

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Cuyahoga County31.96 sq mi100.0%7.0%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Cleveland Heights city8.07 sq mi25.2%100.0%
Shaker Heights city6.29 sq mi19.7%100.0%
Warrensville Heights city4.12 sq mi12.9%100.0%
Orange village3.81 sq mi11.9%100.0%
Cleveland city3.53 sq mi11.0%4.5%
East Cleveland city3.08 sq mi9.6%100.0%
Highland Hills village1.96 sq mi6.1%100.0%
North Randall village0.78 sq mi2.4%100.0%
Woodmere village0.33 sq mi1.0%99.9%

Showing all 9 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 11125,133100.0%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
92,215
Active Voters
75,494 (81.9%)

Party Registration

PartyVotersShare
Democratic23,63725.6%
Republican3,0753.3%
Unaffiliated00.0%
Other parties00.0%
No party recorded65,50371.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202628,924 (31.4%)7,466 (8.1%)710 (0.8%)
2023–202461,800 (67.0%)17,040 (18.5%)2,254 (2.4%)
2021–202244,506 (48.3%)25,851 (28.0%)2,637 (2.9%)
2019–202060,732 (65.9%)20,890 (22.7%)1,291 (1.4%)
2017–201848,809 (52.9%)19,019 (20.6%)1,859 (2.0%)
2015–201654,638 (59.3%)26,094 (28.3%)5,259 (5.7%)
2013–201432,014 (34.7%)12,637 (13.7%)1,263 (1.4%)
2011–201251,093 (55.4%)13,371 (14.5%)2,285 (2.5%)

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
122,982 (± 1,137)
Median Age
39.9
Median Household Income
$61,637 (± $2,181)
High School Graduate or Higher (age 25+)
93.2%
Bachelor's Degree or Higher (age 25+)
46.7%

Population by Age

GroupPeopleShare
Under 1827,50022.4%
18 to 6468,57555.8%
65 and over26,90721.9%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)3,3422.7%
White, not Hispanic40,57433.0%
Black, not Hispanic69,18956.3%
Asian, not Hispanic4,2423.4%
American Indian / Alaska Native, not Hispanic620.1%
Native Hawaiian / Pacific Islander, not Hispanic150.0%
Some other race, not Hispanic1,0500.9%
Two or more races, not Hispanic4,5083.7%

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
118,594
Citizen Voting Age Population (CVAP)
92,034

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic115,86097.7%
Hispanic2,7342.3%
White41,00234.6%
Black68,46457.7%
Asian2,9942.5%
American Indian / Alaska Native550.0%
Native Hawaiian / Pacific Islander150.0%
Two or More Races8490.7%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic89,95797.7%
Hispanic2,0782.3%
White33,13436.0%
Black53,23257.8%
Asian2,7403.0%
American Indian / Alaska Native3800.4%
Native Hawaiian / Pacific Islander130.0%
Two or More Races6010.7%

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