Ohio State Senate District 5

State Legislative District Profile (Upper Chamber)

Overview

District ID
oh-sd-005
State
Ohio
Chamber
Upper chamber (state senate)
District Code
005
Land Area
1,395.1 sq mi
Water Area
6.97 sq mi

Boundary

Boundary of Ohio State Senate District 5

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Preble County424.23 sq mi30.4%100.0%
Miami County406.52 sq mi29.1%100.0%
Montgomery County256.09 sq mi18.4%55.5%
Darke County230.07 sq mi16.5%38.5%
Butler County78.07 sq mi5.6%16.7%

Showing all 5 counties

Places

PlaceOverlapShare of district landShare of place land
Huber Heights city22.20 sq mi1.6%100.0%
Clayton city18.51 sq mi1.3%100.0%
Vandalia city12.35 sq mi0.9%100.0%
Miamisburg city12.26 sq mi0.9%100.0%
Troy city11.96 sq mi0.9%94.7%
Piqua city11.65 sq mi0.8%88.5%
Union city8.30 sq mi0.6%99.5%
Tipp City city8.03 sq mi0.6%98.5%
Englewood city6.56 sq mi0.5%100.0%
Eaton city6.27 sq mi0.4%97.6%
Dayton city5.10 sq mi0.4%9.1%
Trenton city4.56 sq mi0.3%92.3%
Germantown city4.22 sq mi0.3%100.0%
Shiloh CDP3.92 sq mi0.3%100.0%
Brookville city3.83 sq mi0.3%93.5%
West Milton village3.24 sq mi0.2%95.7%
Lake Lakengren CDP2.86 sq mi0.2%100.0%
Darrtown CDP2.36 sq mi0.2%100.0%
New Lebanon village2.04 sq mi0.1%100.0%
Covington village1.37 sq mi0.1%100.0%
Fort McKinley CDP1.33 sq mi0.1%100.0%
Arcanum village1.27 sq mi0.1%99.3%
Camden village1.24 sq mi0.1%100.0%
Lewisburg village1.09 sq mi0.1%100.0%
Gratis village0.97 sq mi0.1%100.0%

Showing top 25 of 53 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 10166,25047.1%21.1%18.4%
OH District 894,90226.9%12.1%59.6%
OH District 1591,72826.0%11.7%22.1%

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

Voters

Registered Voters
243,643
Active Voters
218,658 (89.7%)

Party Registration

PartyVotersShare
Democratic15,8386.5%
Republican57,38923.6%
Unaffiliated00.0%
Other parties00.0%
No party recorded170,41669.9%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202661,137 (25.1%)<10 (—)1,812 (0.7%)
2023–2024189,754 (77.9%)11,755 (4.8%)46,313 (19.0%)
2021–2022133,801 (54.9%)12,234 (5.0%)43,532 (17.9%)
2019–2020175,286 (71.9%)16,824 (6.9%)31,096 (12.8%)
2017–2018126,485 (51.9%)10,853 (4.5%)29,405 (12.1%)
2015–2016151,383 (62.1%)21,578 (8.9%)66,542 (27.3%)
2013–201487,101 (35.7%)6,959 (2.9%)24,733 (10.2%)
2011–2012132,225 (54.3%)5,741 (2.4%)35,036 (14.4%)

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
354,217 (± 403)
Median Age
41.4
Median Household Income
$74,581 (± $1,423)
High School Graduate or Higher (age 25+)
93.0%
Bachelor's Degree or Higher (age 25+)
25.1%

Population by Age

GroupPeopleShare
Under 1880,46622.7%
18 to 64203,17457.4%
65 and over70,57719.9%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)8,2382.3%
White, not Hispanic296,63783.7%
Black, not Hispanic27,1357.7%
Asian, not Hispanic5,1051.4%
American Indian / Alaska Native, not Hispanic980.0%
Native Hawaiian / Pacific Islander, not Hispanic160.0%
Some other race, not Hispanic9610.3%
Two or more races, not Hispanic16,0274.5%

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
350,539
Citizen Voting Age Population (CVAP)
270,325

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic342,94097.8%
Hispanic7,5992.2%
White298,80785.2%
Black26,9577.7%
Asian3,4921.0%
American Indian / Alaska Native970.0%
Native Hawaiian / Pacific Islander210.0%
Two or More Races8940.3%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic265,71598.3%
Hispanic4,6131.7%
White235,87087.3%
Black23,7938.8%
Asian3,7141.4%
American Indian / Alaska Native1,7890.7%
Native Hawaiian / Pacific Islander180.0%
Two or More Races6070.2%

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