Colorado State Senate seat · lines in effect since 2022

Colorado Senate District 30

A district of about 169,000 people, 67% of adults with a bachelor's degree. It votes D+2.2 relative to the nation for president.

John Carson (R)Next election Nov 5, 2030The 2026 race →

Where it sits among all 35 seats

Every Colorado 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+2.223rd most
Democratic
Most DemocraticMost Republican18th seat · the majority lineDistrict 30

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.

20162018202020222026
U.S. SenateR+13.9No raceR+6.3No raceNo race
GovernorNo raceR+8.9No raceNo raceNo race
Colorado State SenateNo raceNo raceNo raceR+7.6D+4.8

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

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

Who lives here, compared

Grey bars show the spread of all 35 seats. Small marks are other seats in Colorado. The black marker is District 30.

Adults with a bachelor's degree67% 94th pct · 3rd of 35 in CO

Higher than 94% of seats.

White adults without a degree25% 18th pct · 29th of 35 in CO

Lower than 82% of seats.

Hispanic residents9% 0th pct · 35th of 35 in CO

Lowest of 35 seats.

Black residents2% 44th pct · 20th of 35 in CO

Lower than 56% of seats.

Asian residents7% 97th pct · 2nd of 35 in CO

Higher than 97% of seats.

People per square mile1,404 53rd pct · 17th of 35 in CO

Denser than 53% 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. Kevin van Winkle (R)
    2023– · Won 2022 by 7.6

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