Overview
- District ID
- hi-sd-004
- State
- Hawaii
- Chamber
- Upper chamber (state senate)
- District Code
- 004
- Land Area
- 1,634.8 sq mi
- Water Area
- 426.5 sq mi
Boundary
Boundary as GeoJSON
Source: U.S. Census Bureau TIGER/Line state legislative district boundaries.
Counties
| County | Overlap | Share of district land | Share of county land |
|---|
| Hawaii County | 1634.83 sq mi | 100.0% | 40.6% |
Showing all 1 county
Places
Showing all 14 places
Overlapping Congressional Districts
| Congressional district | Population in both | Share of this district's population | Share of the congressional district's population | Share of this district's land |
|---|
| HI District 2 | 49,857 | 100.0% | 6.8% | 100.0% |
Source: U.S. Census Bureau 2020 blocks and 2025 block equivalency files (119th Congress, 2024 state legislative plans).
Voters
- Registered Voters
- 32,593
- Active Voters
- 29,297 (89.9%)
Party Registration
This state's voter file does not record party registration.
Turnout by Cycle
| Cycle | General | Democratic Primary | Republican Primary |
|---|
| 2023–2024 | 20,743 (63.6%) | 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
- 46,714 (± 2,092)
- Median Age
- 44.5
- Median Household Income
- $96,992 (± $6,024)
- High School Graduate or Higher (age 25+)
- 95.2%
- Bachelor's Degree or Higher (age 25+)
- 34.6%
Population by Age
| Group | People | Share |
|---|
| Under 18 | 9,896 | 21.2% |
| 18 to 64 | 25,059 | 53.6% |
| 65 and over | 11,759 | 25.2% |
Population by Race and Hispanic Origin
| Group | People | Share |
|---|
| Hispanic or Latino (any race) | 4,255 | 9.1% |
| White, not Hispanic | 15,999 | 34.2% |
| Black, not Hispanic | 417 | 0.9% |
| Asian, not Hispanic | 7,297 | 15.6% |
| American Indian / Alaska Native, not Hispanic | 28 | 0.1% |
| Native Hawaiian / Pacific Islander, not Hispanic | 5,972 | 12.8% |
| Some other race, not Hispanic | 278 | 0.6% |
| Two or more races, not Hispanic | 12,468 | 26.7% |
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
- 43,708
- Citizen Voting Age Population (CVAP)
- 34,340
Citizen Population by Race/Ethnicity
| Group | Citizens | Share |
|---|
| Non-Hispanic | 39,775 | 91.0% |
| Hispanic | 3,938 | 9.0% |
| White | 16,059 | 36.7% |
| Black | 419 | 1.0% |
| Asian | 6,327 | 14.5% |
| American Indian / Alaska Native | 27 | 0.1% |
| Native Hawaiian / Pacific Islander | 4,959 | 11.3% |
| Two or More Races | 9,110 | 20.8% |
Citizen Voting Age Population by Race/Ethnicity
| Group | CVAP | Share |
|---|
| Non-Hispanic | 31,652 | 92.2% |
| Hispanic | 2,689 | 7.8% |
| White | 14,179 | 41.3% |
| Black | 561 | 1.6% |
| Asian | 7,053 | 20.5% |
| American Indian / Alaska Native | 544 | 1.6% |
| Native Hawaiian / Pacific Islander | 3,790 | 11.0% |
| Two or More Races | 5,535 | 16.1% |
Source: Redistricting Data Hub / U.S. Census Bureau CVAP Special Tabulation (2020-2024 ACS 5-year).