Arizona State Senate seat · lines in effect since 2022

Arizona Legislative District 5

A district of about 249,000 people, 35% Hispanic, 43% of adults with a bachelor's degree. It votes D+37.7 relative to the nation for president.

Where it sits among all 30 seats

Every Arizona 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+37.73rd most
Democratic
Most DemocraticMost Republican16th seat · the majority lineDistrict 5

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.

20222024
Arizona State SenateD+41.4D+36.5

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

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

Who lives here, compared

Grey bars show the spread of all 30 seats. Small marks are other seats in Arizona. The black marker is District 5.

Adults with a bachelor's degree43% 72nd pct · 9th of 30 in AZ

Higher than 72% of seats.

White adults without a degree24% 28th pct · 22nd of 30 in AZ

Lower than 72% of seats.

Hispanic residents35% 66th pct · 11th of 30 in AZ

Higher than 66% of seats.

Black residents7% 90th pct · 4th of 30 in AZ

Higher than 90% of seats.

Asian residents3% 62nd pct · 12th of 30 in AZ

Higher than 62% of seats.

People per square mile5,467 90th pct · 4th of 30 in AZ

Denser than 90% of seats.

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

Who has held it

These lines took effect in 2022.

  1. Christine Marsh (D)
    2027– · Won 2026 by 69.2
  2. Lela Alston (D)
    2023–2027 · Won 2022 by 41.4, 2024 by 36.5

Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)