Hawaii State Senate District 23

State Legislative District Profile (Upper Chamber)

Overview

District ID
hi-sd-023
State
Hawaii
Chamber
Upper chamber (state senate)
District Code
023
Land Area
232.3 sq mi
Water Area
214.2 sq mi

Boundary

Boundary of Hawaii State Senate District 23

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Honolulu County232.31 sq mi100.0%38.7%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Waiahole-Waikane CDP6.81 sq mi2.9%100.0%
Kahaluu CDP3.48 sq mi1.5%100.0%
Pupukea CDP3.44 sq mi1.5%100.0%
Haleiwa CDP3.08 sq mi1.3%100.0%
Schofield Barracks CDP2.77 sq mi1.2%100.0%
Mokuleia CDP2.71 sq mi1.2%100.0%
Ahuimanu CDP2.69 sq mi1.2%100.0%
Heeia CDP2.44 sq mi1.0%76.2%
Wheeler AFB CDP2.32 sq mi1.0%100.0%
Waialua CDP2.19 sq mi0.9%100.0%
Punaluu CDP1.60 sq mi0.7%100.0%
Laie CDP1.34 sq mi0.6%100.0%
Hauula CDP1.16 sq mi0.5%100.0%
Kahuku CDP0.96 sq mi0.4%100.0%
Kaaawa CDP0.80 sq mi0.3%100.0%
Kaneohe CDP0.75 sq mi0.3%11.5%
Kawela Bay CDP0.58 sq mi0.3%100.0%
Waipio Acres CDP0.50 sq mi0.2%50.8%
Helemano CDP0.47 sq mi0.2%100.0%
Whitmore Village CDP0.37 sq mi0.2%40.5%
Wahiawa CDP0.10 sq mi<0.1%4.4%

Showing all 21 places

Overlapping Congressional Districts

Congressional districtPopulation in bothShare of this district's populationShare of the congressional district's populationShare of this district's land
HI District 276,35696.7%10.5%99.8%
HI District 12,5953.3%0.4%0.2%

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

Voters

Registered Voters
34,715
Active Voters
32,230 (92.8%)

Party Registration

This state's voter file does not record party registration.

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202420,872 (60.1%)0 (0.0%)0 (0.0%)

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 07/18/2025. These are registered voters, separate from the Census population figures. Counts under 10 are suppressed and shown as "<10".

Demographics

Total Population
75,417 (± 2,356)
Median Age
29.9
Median Household Income
$94,684 (± $6,335)
High School Graduate or Higher (age 25+)
95.4%
Bachelor's Degree or Higher (age 25+)
35.4%

Population by Age

GroupPeopleShare
Under 1818,43224.4%
18 to 6446,91562.2%
65 and over10,07013.4%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)10,75314.3%
White, not Hispanic23,77031.5%
Black, not Hispanic4,3845.8%
Asian, not Hispanic12,56116.7%
American Indian / Alaska Native, not Hispanic630.1%
Native Hawaiian / Pacific Islander, not Hispanic6,0338.0%
Some other race, not Hispanic2870.4%
Two or more races, not Hispanic17,56623.3%

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
72,159
Citizen Voting Age Population (CVAP)
53,922

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic61,66085.5%
Hispanic10,50314.6%
White23,52132.6%
Black4,3216.0%
Asian11,27415.6%
American Indian / Alaska Native630.1%
Native Hawaiian / Pacific Islander5,3787.5%
Two or More Races12,20316.9%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic47,40687.9%
Hispanic6,51612.1%
White19,28735.8%
Black3,5166.5%
Asian12,39623.0%
American Indian / Alaska Native4980.9%
Native Hawaiian / Pacific Islander4,0177.4%
Two or More Races7,70614.3%

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