Hawaii State House District 9

State Legislative District Profile (Lower Chamber)

Overview

District ID
hi-hd-009
State
Hawaii
Chamber
Lower chamber
District Code
009
Land Area
21.2 sq mi
Water Area
1.71 sq mi

Boundary

Boundary of Hawaii State House District 9

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Maui County21.25 sq mi100.0%1.8%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
Kahului CDP14.14 sq mi66.5%98.3%
Wailuku CDP0.09 sq mi0.4%1.8%

Showing all 2 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 228,196100.0%3.9%100.0%

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

Voters

Registered Voters
15,646
Active Voters
14,940 (95.5%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–20247,935 (50.7%)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
28,057 (± 1,979)
Median Age
43.1
Median Household Income
$97,326 (± $13,715)
High School Graduate or Higher (age 25+)
89.1%
Bachelor's Degree or Higher (age 25+)
24.7%

Population by Age

GroupPeopleShare
Under 185,61720.0%
18 to 6416,49458.8%
65 and over5,94621.2%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)2,0567.3%
White, not Hispanic2,99210.7%
Black, not Hispanic3851.4%
Asian, not Hispanic15,45055.1%
American Indian / Alaska Native, not Hispanic120.0%
Native Hawaiian / Pacific Islander, not Hispanic2,1187.5%
Some other race, not Hispanic620.2%
Two or more races, not Hispanic4,98217.8%

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
23,944
Citizen Voting Age Population (CVAP)
18,547

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic21,92291.6%
Hispanic2,0198.4%
White3,00912.6%
Black3701.5%
Asian12,10650.6%
American Indian / Alaska Native130.1%
Native Hawaiian / Pacific Islander1,6416.9%
Two or More Races3,58415.0%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic17,27993.2%
Hispanic1,2696.8%
White2,81215.2%
Black2851.5%
Asian10,44456.3%
American Indian / Alaska Native940.5%
Native Hawaiian / Pacific Islander1,1496.2%
Two or More Races2,49413.4%

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