Ohio State Senate District 3

State Legislative District Profile (Upper Chamber)

Overview

District ID
oh-sd-003
State
Ohio
Chamber
Upper chamber (state senate)
District Code
003
Land Area
1,174.9 sq mi
Water Area
11.2 sq mi

Boundary

Boundary of Ohio State Senate District 3

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Pickaway County501.23 sq mi42.7%100.0%
Madison County465.81 sq mi39.6%99.8%
Franklin County206.94 sq mi17.6%38.9%

Showing all 3 counties

Places

PlaceOverlapShare of district landShare of place land
Columbus city47.01 sq mi4.0%21.2%
Grove City city17.48 sq mi1.5%92.8%
West Jefferson village9.89 sq mi0.8%98.9%
Groveport city8.71 sq mi0.7%100.0%
London city8.40 sq mi0.7%100.0%
Reynoldsburg city7.24 sq mi0.6%63.9%
Circleville city7.19 sq mi0.6%99.7%
Obetz city5.82 sq mi0.5%100.0%
Canal Winchester city5.72 sq mi0.5%70.4%
South Bloomfield village3.94 sq mi0.3%98.4%
Commercial Point village3.32 sq mi0.3%78.3%
Lake Darby CDP2.77 sq mi0.2%80.2%
Ashville village2.23 sq mi0.2%93.5%
Williamsport village1.78 sq mi0.2%100.0%
Blacklick Estates CDP1.72 sq mi0.1%90.9%
Mount Sterling village1.69 sq mi0.1%100.0%
Plain City village1.55 sq mi0.1%50.6%
New Holland village1.39 sq mi0.1%88.3%
Derby CDP1.33 sq mi0.1%100.0%
Lafayette village1.05 sq mi0.1%100.0%
Choctaw Lake CDP1.04 sq mi0.1%100.0%
Darbydale CDP1.00 sq mi0.1%100.0%
Lockbourne village0.78 sq mi0.1%100.0%
Lithopolis village0.69 sq mi0.1%30.5%
Plumwood CDP0.62 sq mi0.1%99.9%

Showing top 25 of 34 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 15258,78271.4%32.9%56.4%
OH District 258,53916.2%7.4%42.7%
OH District 345,06712.4%5.7%0.9%

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

Voters

Registered Voters
239,096
Active Voters
205,588 (86.0%)

Party Registration

PartyVotersShare
Democratic19,0628.0%
Republican39,50916.5%
Unaffiliated00.0%
Other parties00.0%
No party recorded180,52575.5%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202660,200 (25.2%)<10 (—)89 (0.0%)
2023–2024172,443 (72.1%)14,785 (6.2%)32,844 (13.7%)
2021–2022112,871 (47.2%)14,458 (6.0%)31,031 (13.0%)
2019–2020159,211 (66.6%)19,668 (8.2%)16,086 (6.7%)
2017–2018111,617 (46.7%)14,569 (6.1%)18,336 (7.7%)
2015–2016134,255 (56.2%)27,414 (11.5%)44,133 (18.5%)
2013–201467,054 (28.0%)9,056 (3.8%)14,556 (6.1%)
2011–2012115,736 (48.4%)11,149 (4.7%)25,933 (10.8%)

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
367,226 (± 3,969)
Median Age
37.7
Median Household Income
$74,426 (± $1,508)
High School Graduate or Higher (age 25+)
89.6%
Bachelor's Degree or Higher (age 25+)
26.8%

Population by Age

GroupPeopleShare
Under 1885,93823.4%
18 to 64225,73061.5%
65 and over55,55815.1%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)20,6585.6%
White, not Hispanic258,84170.5%
Black, not Hispanic61,78516.8%
Asian, not Hispanic6,5301.8%
American Indian / Alaska Native, not Hispanic3430.1%
Native Hawaiian / Pacific Islander, not Hispanic810.0%
Some other race, not Hispanic1,3600.4%
Two or more races, not Hispanic17,6284.8%

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
355,810
Citizen Voting Age Population (CVAP)
271,289

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic340,03095.6%
Hispanic15,7804.4%
White260,66873.3%
Black59,35816.7%
Asian4,5421.3%
American Indian / Alaska Native3690.1%
Native Hawaiian / Pacific Islander800.0%
Two or More Races2,1630.6%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic263,51697.1%
Hispanic7,7712.9%
White209,58477.3%
Black44,64716.5%
Asian4,4631.6%
American Indian / Alaska Native3,7571.4%
Native Hawaiian / Pacific Islander800.0%
Two or More Races1,4390.5%

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