99chambers

Colorado House of Representatives seat · lines in effect since 2022

Colorado House District 42

A district of about 95,000 people, 44% Hispanic and 20% Black, 23% of adults with a bachelor's degree. It votes D+39.5 relative to the nation for president.

Mandy Lindsay (D) · since Nov 8, 2022Next 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+39.512th most
Democratic
Most DemocraticMost Republican33rd seat · the majority lineDistrict 42

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.

2016201820202022
U.S. SenateD+40.3No raceD+46.0No race
GovernorNo raceD+45.2No raceNo race
Colorado House of RepresentativesNo raceNo raceNo raceD+45.1

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 42.

Adults with a bachelor's degree23% 3rd pct · 63rd of 65 in CO

Lower than 97% of seats.

White adults without a degree20% 11th pct · 58th of 65 in CO

Lower than 89% of seats.

Hispanic residents44% 89th pct · 8th of 65 in CO

Higher than 89% of seats.

Black residents20% 98th pct · 2nd of 65 in CO

Higher than 98% of seats.

Asian residents4% 72nd pct · 19th of 65 in CO

Higher than 72% of seats.

People per square mile7,348 97th pct · 3rd of 65 in CO

Denser than 97% 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
47% Hispanic · 23% BlackD+50.5Held DDistrict 36
42% Hispanic · 28% college gradsD+27.1Held DDistrict 41
27% Hispanic · 34% college gradsD+31.8Held DDistrict 17
35% Hispanic · 23% college gradsD+12.7Counting

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. Sarah Woodson (D)
    2027– · Won 2026 unopposed
  2. Mandy Lindsay (D)
    2023–2027 · Won 2022 by 45.1, 2024 unopposed

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