99chambers

Arizona State Senate seat · lines in effect since 2022

Arizona Legislative District 8

A district of about 246,000 people, 28% Hispanic, 45% of adults with a bachelor's degree. It votes D+22.2 relative to the nation for president.

Lauren Kuby (D) · since Nov 5, 2024Next election Nov 7, 2028The 2026 race →

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+22.29th most
Democratic
Most DemocraticMost Republican16th seat · the majority lineDistrict 8

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.

202220242026
Arizona State SenateD+25.4D+21.2D+40.1

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 8.

Adults with a bachelor's degree45% 76th pct · 8th of 30 in AZ

Higher than 76% of seats.

White adults without a degree26% 31st pct · 21st of 30 in AZ

Lower than 69% of seats.

Hispanic residents28% 59th pct · 13th of 30 in AZ

Higher than 59% of seats.

Black residents6% 86th pct · 5th of 30 in AZ

Higher than 86% of seats.

Asian residents6% 86th pct · 5th of 30 in AZ

Higher than 86% of seats.

People per square mile1,804 48th pct · 16th of 30 in AZ

Less dense than 52% of seats.

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

Seats most like this one

Nearest seats on demographics, density and lean. 1 of the 4 flipped this year.

District 18
22% Hispanic · 46% college gradsD+24.4Held DDistrict 12
51% college gradsD+16.8Held DDistrict 5
35% Hispanic · 43% college gradsD+37.7Held DDistrict 2
24% Hispanic · 35% college gradsR+4.6Flipped D

Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 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

Who has held it

These lines took effect in 2022.

  1. Lauren Kuby (D)
    2025– · Won 2024 by 21.2, 2026 by 40.1
  2. Juan Mendez (D)
    2023–2025 · Won 2022 by 25.4

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