Hawaii State Senate seat · lines in effect since 2022

Hawaii Senate District 19

A district of about 48,000 people, 62% Asian, 24% of adults with a bachelor's degree. It votes D+8.6 relative to the nation for president.

Rachele Lamosao (D)Next election Nov 7, 2028

Where it sits among all 25 seats

Every Hawaii State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.

D+8.622nd most
Democratic
Most DemocraticMost Republican13th seat · the majority lineDistrict 19

Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET

Every race on these lines

Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.

2024
U.S. SenateD+29.2

Outlined: the race for this seat itselfBlank: no race that year

Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 25 seats. Small marks are other seats in Hawaii. The black marker is District 19.

Adults with a bachelor's degree24% 8th pct · 23rd of 25 in HI

Lower than 92% of seats.

White adults without a degree3% 0th pct · 25th of 25 in HI

Lowest of 25 seats.

Hispanic residents7% 29th pct · 18th of 25 in HI

Lower than 71% of seats.

Black residents1% 38th pct · 16th of 25 in HI

Lower than 62% of seats.

Asian residents62% 100th pct · 1st of 25 in HI

Highest of 25 seats.

People per square mile5,989 92nd pct · 3rd of 25 in HI

Denser than 92% of seats.

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET