Ohio State Senate District 30

State Legislative District Profile (Upper Chamber)

Overview

District ID
oh-sd-030
State
Ohio
Chamber
Upper chamber (state senate)
District Code
030
Land Area
4,457.9 sq mi
Water Area
54.2 sq mi

Boundary

Boundary of Ohio State Senate District 30

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Washington County631.97 sq mi14.2%100.0%
Belmont County532.13 sq mi11.9%100.0%
Athens County503.64 sq mi11.3%100.0%
Monroe County455.72 sq mi10.2%100.0%
Meigs County430.10 sq mi9.6%100.0%
Morgan County416.43 sq mi9.3%100.0%
Jefferson County408.12 sq mi9.2%100.0%
Harrison County402.33 sq mi9.0%100.0%
Noble County398.01 sq mi8.9%100.0%
Guernsey County279.37 sq mi6.3%53.5%

Showing all 10 counties

Places

PlaceOverlapShare of district landShare of place land
Steubenville city10.54 sq mi0.2%100.0%
Athens city9.91 sq mi0.2%99.6%
Cadiz village8.78 sq mi0.2%100.0%
Marietta city8.43 sq mi0.2%100.0%
Devola CDP5.13 sq mi0.1%100.0%
Nelsonville city4.68 sq mi0.1%100.0%
Neffs CDP3.99 sq mi0.1%100.0%
Belpre city3.48 sq mi0.1%100.0%
Pomeroy village3.28 sq mi0.1%100.0%
Wintersville village3.12 sq mi0.1%100.0%
Mingo Junction village2.69 sq mi0.1%100.0%
St. Clairsville city2.42 sq mi0.1%100.0%
Martins Ferry city2.33 sq mi0.1%100.0%
The Plains CDP2.28 sq mi0.1%100.0%
Toronto city2.09 sq mi<0.1%100.0%
Woodsfield village2.01 sq mi<0.1%100.0%
Barnesville village1.94 sq mi<0.1%94.8%
Tuppers Plains CDP1.82 sq mi<0.1%100.0%
Middleport village1.80 sq mi<0.1%100.0%
McConnelsville village1.79 sq mi<0.1%100.0%
Brilliant CDP1.75 sq mi<0.1%100.0%
Bellaire village1.65 sq mi<0.1%100.0%
Newport CDP1.62 sq mi<0.1%100.0%
Powhatan Point village1.47 sq mi<0.1%100.0%
Irondale village1.45 sq mi<0.1%100.0%

Showing top 25 of 116 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 6233,50068.2%29.7%63.4%
OH District 1286,56025.3%11.0%26.9%
OH District 222,2106.5%2.8%9.6%

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

Voters

Registered Voters
215,819
Active Voters
188,847 (87.5%)

Party Registration

PartyVotersShare
Democratic18,7478.7%
Republican52,55024.3%
Unaffiliated00.0%
Other parties00.0%
No party recorded144,52267.0%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202662,217 (28.8%)1,213 (0.6%)1,583 (0.7%)
2023–2024164,518 (76.2%)14,964 (6.9%)44,879 (20.8%)
2021–2022118,147 (54.7%)14,073 (6.5%)34,593 (16.0%)
2019–2020153,447 (71.1%)24,081 (11.2%)28,839 (13.4%)
2017–2018112,938 (52.3%)20,071 (9.3%)26,034 (12.1%)
2015–2016130,078 (60.3%)31,437 (14.6%)47,808 (22.2%)
2013–201481,897 (37.9%)17,514 (8.1%)12,598 (5.8%)
2011–2012110,908 (51.4%)23,745 (11.0%)26,009 (12.1%)

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
338,214 (± 796)
Median Age
42.4
Median Household Income
$57,920 (± $1,494)
High School Graduate or Higher (age 25+)
91.0%
Bachelor's Degree or Higher (age 25+)
20.7%

Population by Age

GroupPeopleShare
Under 1863,69118.8%
18 to 64202,75559.9%
65 and over71,76821.2%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)5,1791.5%
White, not Hispanic308,39491.2%
Black, not Hispanic8,7232.6%
Asian, not Hispanic2,6210.8%
American Indian / Alaska Native, not Hispanic2140.1%
Native Hawaiian / Pacific Islander, not Hispanic140.0%
Some other race, not Hispanic9940.3%
Two or more races, not Hispanic12,0753.6%

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
335,502
Citizen Voting Age Population (CVAP)
272,032

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic330,80798.6%
Hispanic4,6931.4%
White310,64392.6%
Black8,7202.6%
Asian1,3770.4%
American Indian / Alaska Native2120.1%
Native Hawaiian / Pacific Islander180.0%
Two or More Races7520.2%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic268,75698.8%
Hispanic3,2731.2%
White253,67993.3%
Black10,1493.7%
Asian2,2240.8%
American Indian / Alaska Native2,2090.8%
Native Hawaiian / Pacific Islander60.0%
Two or More Races5410.2%

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