99chambers

Colorado House of Representatives seat · lines in effect since 2022

Colorado House District 12

A district of about 99,000 people, 69% of adults with a bachelor's degree. It votes D+59.3 relative to the nation for president.

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

Where it sits among all 65 seats

Every Colorado House of Representatives 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+59.36th most
Democratic
Most DemocraticMost Republican33rd seat · the majority lineDistrict 12

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.

201620182020202220242026
U.S. SenateD+41.1No raceD+52.0No raceNo raceNo race
GovernorNo raceD+51.8No raceNo raceNo raceNo race
Colorado House of RepresentativesNo raceNo raceNo raceD+54.5D+53.1D+62.7

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 65 seats. Small marks are other seats in Colorado. The black marker is District 12.

Adults with a bachelor's degree69% 97th pct · 3rd of 65 in CO

Higher than 97% of seats.

White adults without a degree22% 17th pct · 54th of 65 in CO

Lower than 83% of seats.

Hispanic residents12% 20th pct · 52nd of 65 in CO

Lower than 80% of seats.

Black residents1% 17th pct · 54th of 65 in CO

Lower than 83% of seats.

Asian residents5% 84th pct · 11th of 65 in CO

Higher than 84% of seats.

People per square mile1,248 45th pct · 36th of 65 in CO

Less dense than 55% 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 10
76% college gradsD+75.6Held DDistrict 53
61% college gradsD+50.7Held DDistrict 2
80% college gradsD+58.8Held DDistrict 52
60% college gradsD+33.3Held 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. Kyle Brown (D)
    2025– · Won 2024 by 53.1
  2. Tracey Bernett (D)
    2023–2025 · Won 2022 by 54.5

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