Colorado House of Representatives seat · lines in effect since 2022

Colorado House District 59

A district of about 88,000 people, 44% of adults with a bachelor's degree. It votes D+7.0 relative to the nation for president.

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+7.040th most
Democratic
Most DemocraticMost Republican33rd seat · the majority lineDistrict 59

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+0.2No raceD+2.7No raceNo raceNo race
GovernorNo raceD+4.6No raceNo raceNo raceNo race
Colorado House of RepresentativesNo raceNo raceNo raceD+13.5D+2.4D+18.7

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 State and civicAPIUpdated 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 59.

Adults with a bachelor's degree44% 47th pct · 35th of 65 in CO

Lower than 53% of seats.

White adults without a degree41% 83rd pct · 12th of 65 in CO

Higher than 83% of seats.

Hispanic residents14% 28th pct · 47th of 65 in CO

Lower than 72% of seats.

Black residents0% 0th pct · 65th of 65 in CO

Lowest of 65 seats.

Asian residents1% 8th pct · 60th of 65 in CO

Lower than 92% of seats.

People per square mile18 11th pct · 58th of 65 in CO

Less dense than 89% 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. Katie Stewart (D)
    2025– · Won 2024 by 2.4, 2026 by 18.7
  2. Barbara McLachlan (D)
    2023–2025 · Won 2022 by 13.5

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