Ohio State House District 45

State Legislative District Profile (Lower Chamber)

Overview

District ID
oh-hd-045
State
Ohio
Chamber
Lower chamber
District Code
045
Land Area
125.1 sq mi
Water Area
0.46 sq mi

Boundary

Boundary of Ohio State House District 45

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Butler County125.08 sq mi100.0%26.8%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Fairfield city20.83 sq mi16.7%100.0%
Beckett Ridge CDP4.80 sq mi3.8%100.0%
Ross CDP3.13 sq mi2.5%100.0%
Wetherington CDP0.91 sq mi0.7%100.0%
Sharonville city0.59 sq mi0.5%6.0%
Olde West Chester CDP0.36 sq mi0.3%100.0%
Four Bridges CDP0.10 sq mi0.1%4.5%

Showing all 7 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 8123,472100.0%15.7%100.0%

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

Voters

Registered Voters
82,435
Active Voters
74,406 (90.3%)

Party Registration

PartyVotersShare
Democratic5,1046.2%
Republican17,05120.7%
Unaffiliated00.0%
Other parties00.0%
No party recorded60,28073.1%

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2025–202626,117 (31.7%)<10 (—)0 (0.0%)
2023–202464,604 (78.4%)3,830 (4.6%)13,065 (15.8%)
2021–202245,693 (55.4%)3,918 (4.8%)13,280 (16.1%)
2019–202060,271 (73.1%)5,912 (7.2%)8,118 (9.8%)
2017–201844,233 (53.7%)3,362 (4.1%)8,029 (9.7%)
2015–201650,926 (61.8%)7,136 (8.7%)21,186 (25.7%)
2013–201430,411 (36.9%)1,765 (2.1%)8,554 (10.4%)
2011–201244,589 (54.1%)911 (1.1%)10,592 (12.8%)

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
124,600 (± 135)
Median Age
38.4
Median Household Income
$96,447 (± $4,490)
High School Graduate or Higher (age 25+)
93.0%
Bachelor's Degree or Higher (age 25+)
41.6%

Population by Age

GroupPeopleShare
Under 1830,08524.1%
18 to 6473,28258.8%
65 and over21,23317.0%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)9,5987.7%
White, not Hispanic85,20068.4%
Black, not Hispanic12,72610.2%
Asian, not Hispanic10,0288.0%
American Indian / Alaska Native, not Hispanic340.0%
Native Hawaiian / Pacific Islander, not Hispanic600.0%
Some other race, not Hispanic6910.6%
Two or more races, not Hispanic6,2635.0%

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
117,102
Citizen Voting Age Population (CVAP)
87,830

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic109,99993.9%
Hispanic7,1076.1%
White86,40673.8%
Black11,5999.9%
Asian6,9726.0%
American Indian / Alaska Native680.1%
Native Hawaiian / Pacific Islander290.0%
Two or More Races7200.6%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic84,36196.1%
Hispanic3,4714.0%
White68,28277.7%
Black9,79411.2%
Asian5,4506.2%
American Indian / Alaska Native5730.7%
Native Hawaiian / Pacific Islander240.0%
Two or More Races3970.5%

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