99chambers

Arizona State Senate seat · lines in effect since 2022

Arizona Legislative District 1

A district of about 245,000 people, 30% of adults with a bachelor's degree. It votes R+31.9 relative to the nation for president.

Mark Finchem (R) · 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.

R+31.929th most
Democratic
Most DemocraticMost Republican16th seat · the majority lineDistrict 1

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 SenateR+34.4R+31.6R+24.1

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 1.

Adults with a bachelor's degree30% 55th pct · 14th of 30 in AZ

Higher than 55% of seats.

White adults without a degree55% 97th pct · 2nd of 30 in AZ

Higher than 97% of seats.

Hispanic residents15% 14th pct · 26th of 30 in AZ

Lower than 86% of seats.

Black residents1% 0th pct · 30th of 30 in AZ

Lowest of 30 seats.

Asian residents1% 3rd pct · 29th of 30 in AZ

Lower than 97% of seats.

People per square mile30 17th pct · 25th of 30 in AZ

Less dense than 83% 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.

District 7
28% college gradsR+29.8Held RDistrict 19
31% Hispanic · 30% college gradsR+23.7Held RDistrict 25
39% Hispanic · 24% college gradsR+28.4Held RDistrict 30
ArizonaR+54.5Held R

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. Mark Finchem (R)
    2025– · Won 2024 by 31.6, 2026 by 24.1
  2. Ken Bennett (R)
    2023–2025 · Won 2022 by 34.4

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