Hawaii State Senate District 9

State Legislative District Profile (Upper Chamber)

Overview

District ID
hi-sd-009
State
Hawaii
Chamber
Upper chamber (state senate)
District Code
009
Land Area
18.3 sq mi
Water Area
28.7 sq mi

Boundary

Boundary of Hawaii State Senate District 9

Boundary as GeoJSON

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

Counties

CountyOverlapShare of district landShare of county land
Honolulu County18.30 sq mi100.0%3.0%

Showing all 1 county

Places

PlaceOverlapShare of district landShare of place land
East Honolulu CDP14.21 sq mi77.7%61.8%
Urban Honolulu CDP4.09 sq mi22.3%6.7%

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 153,830100.0%7.4%100.0%

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

Voters

Registered Voters
37,574
Active Voters
36,042 (95.9%)

Party Registration

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

Turnout by Cycle

CycleGeneralDemocratic PrimaryRepublican Primary
2023–202426,813 (71.4%)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
53,711 (± 2,119)
Median Age
49.4
Median Household Income
$145,792 (± $6,962)
High School Graduate or Higher (age 25+)
96.7%
Bachelor's Degree or Higher (age 25+)
58.5%

Population by Age

GroupPeopleShare
Under 189,55417.8%
18 to 6428,41952.9%
65 and over15,73829.3%

Population by Race and Hispanic Origin

GroupPeopleShare
Hispanic or Latino (any race)2,5094.7%
White, not Hispanic11,64921.7%
Black, not Hispanic4550.8%
Asian, not Hispanic27,25450.7%
American Indian / Alaska Native, not Hispanic420.1%
Native Hawaiian / Pacific Islander, not Hispanic2,3244.3%
Some other race, not Hispanic440.1%
Two or more races, not Hispanic9,43417.6%

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
50,506
Citizen Voting Age Population (CVAP)
41,278

Citizen Population by Race/Ethnicity

GroupCitizensShare
Non-Hispanic48,12295.3%
Hispanic2,3864.7%
White11,23722.2%
Black4510.9%
Asian25,08549.7%
American Indian / Alaska Native430.1%
Native Hawaiian / Pacific Islander2,2294.4%
Two or More Races5,38510.7%

Citizen Voting Age Population by Race/Ethnicity

GroupCVAPShare
Non-Hispanic39,50795.7%
Hispanic1,7634.3%
White9,56623.2%
Black4731.1%
Asian23,46556.8%
American Indian / Alaska Native1360.3%
Native Hawaiian / Pacific Islander1,8304.4%
Two or More Races4,0449.8%

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