Hawaii State House District 38

State Legislative District Profile (Lower Chamber)

Overview

District ID
hi-hd-038
State
Hawaii
Chamber
Lower chamber
District Code
038
Land Area
12.7 sq mi
Water Area
0 sq mi

Boundary

Boundary of Hawaii State House District 38

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Honolulu County12.68 sq mi100.0%2.1%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Mililani Mauka CDP2.70 sq mi21.3%67.6%
Mililani Town CDP1.40 sq mi11.1%35.0%
Waipio Acres CDP0.16 sq mi1.3%16.3%

Showing all 3 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 128,874100.0%4.0%100.0%

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

Voters

Registered Voters
18,334
Active Voters
17,660 (96.3%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202412,955 (70.7%)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
28,542 (± 1,431)
Median Age
41.1
Median Household Income
$133,504 (± $9,409)
High School Graduate or Higher (age 25+)
96.9%
Bachelor's Degree or Higher (age 25+)
46.7%

Population by Age

GroupPeopleShare
Under 186,71823.5%
18 to 6417,32160.7%
65 and over4,50315.8%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)3,03610.6%
White, not Hispanic3,17311.1%
Black, not Hispanic5802.0%
Asian, not Hispanic12,63044.3%
American Indian / Alaska Native, not Hispanic390.1%
Native Hawaiian / Pacific Islander, not Hispanic1,6285.7%
Some other race, not Hispanic1170.4%
Two or more races, not Hispanic7,33925.7%

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
27,915
Citizen Voting Age Population (CVAP)
21,231

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic24,91789.3%
Hispanic3,00210.8%
White3,13411.2%
Black5732.1%
Asian12,30944.1%
American Indian / Alaska Native400.1%
Native Hawaiian / Pacific Islander1,5365.5%
Two or More Races4,93417.7%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic19,54192.0%
Hispanic1,6918.0%
White2,60412.3%
Black5012.4%
Asian11,87255.9%
American Indian / Alaska Native1140.5%
Native Hawaiian / Pacific Islander1,2215.8%
Two or More Races3,23615.2%

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