Hawaii State House District 18

State Legislative District Profile (Lower Chamber)

Overview

District ID
hi-hd-018
State
Hawaii
Chamber
Lower chamber
District Code
018
Land Area
9.96 sq mi
Water Area
34.4 sq mi

Boundary

Boundary of Hawaii State House District 18

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Honolulu County9.96 sq mi100.0%1.7%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
East Honolulu CDP9.96 sq mi100.0%43.3%

Showing all 1 place

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 127,341100.0%3.8%100.0%

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

Voters

Registered Voters
19,699
Active Voters
18,950 (96.2%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202414,474 (73.5%)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
27,199 (± 1,422)
Median Age
47.8
Median Household Income
$154,919 (± $8,954)
High School Graduate or Higher (age 25+)
97.2%
Bachelor's Degree or Higher (age 25+)
58.4%

Population by Age

GroupPeopleShare
Under 185,72821.1%
18 to 6414,31352.6%
65 and over7,15826.3%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)1,6296.0%
White, not Hispanic6,50923.9%
Black, not Hispanic1120.4%
Asian, not Hispanic12,01344.2%
American Indian / Alaska Native, not Hispanic400.1%
Native Hawaiian / Pacific Islander, not Hispanic7482.8%
Some other race, not Hispanic400.1%
Two or more races, not Hispanic6,10822.5%

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
26,087
Citizen Voting Age Population (CVAP)
20,374

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic24,46493.8%
Hispanic1,6186.2%
White6,56325.2%
Black1170.4%
Asian11,12042.6%
American Indian / Alaska Native410.2%
Native Hawaiian / Pacific Islander6962.7%
Two or More Races3,62713.9%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic19,31494.8%
Hispanic1,0605.2%
White5,39726.5%
Black1600.8%
Asian10,46551.4%
American Indian / Alaska Native700.3%
Native Hawaiian / Pacific Islander5962.9%
Two or More Races2,62612.9%

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