Hawaii's 1st congressional district (HI-01)
Hawaii's 1st congressional district (HI-01) lies within Honolulu County, and 25 ZIP codes (22 wholly inside it). Its 2020 population was 726,395. This is the map in force for the November 3, 2026 election.
726,395residents (2020 Census)
1counties
25ZIP codes
111voting precincts
Who represents HI-01
| Office | Member | Contact |
|---|---|---|
| U.S. Representative (HI-01) | Ed Case (D) | 202-225-2726 |
| U.S. Senator | Brian Schatz (D) | 202-224-3934 · contact form |
| U.S. Senator | Mazie K. Hirono (D) | 202-224-6361 · contact form |
Officials serving now (members of Congress until January 3, 2027). Sources: Members of Congress: the @unitedstates project, congress-legislators (CC0).
Counties
| County | Share of the county's residents in HI-01 |
|---|---|
| Honolulu County | 71% |
ZIP codes
Percentages mark ZIPs only partly in HI-01: the share of that ZIP's residents inside it.
- 96701
- 96706
- 96707 (50%)
- 96782
- 96789
- 96795 (<0.1%)
- 96797 (81%)
- 96813
- 96814
- 96815
- 96816
- 96817
- 96818
- 96819
- 96820
- 96821
- 96822
- 96825
- 96826
- 96848
- 96850
- 96853
- 96858
- 96859
- 96860
Towns
Honolulu CCD and Ewa CCD.
Get this in your AI agent
Your agent can draw every precinct in HI-01, or list them with population shares (related_geographies). Add https://boundarymcp.com/mcp to Claude, ChatGPT, Cursor or Codex (free, no key; how), then:
get_boundaries(id="us:congressional_district:1501", children_level="precinct", include_districts=True)