99chambers

Colorado House of Representatives seat · lines in effect since 2022

Colorado House District 46

A district of about 88,000 people, 41% Hispanic, 28% of adults with a bachelor's degree. It votes D+0.4 relative to the nation for president.

Tisha Mauro (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+0.445th most
Democratic
Most DemocraticMost Republican33rd seat · the majority lineDistrict 46

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+11.8No raceD+3.4No raceNo raceNo race
GovernorNo raceD+8.0No raceNo raceNo raceNo race
Colorado House of RepresentativesNo raceNo raceNo raceD+8.0D+4.6D+13.2

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 46.

Adults with a bachelor's degree28% 19th pct · 53rd of 65 in CO

Lower than 81% of seats.

White adults without a degree38% 73rd pct · 18th of 65 in CO

Higher than 73% of seats.

Hispanic residents41% 84th pct · 11th of 65 in CO

Higher than 84% of seats.

Black residents2% 55th pct · 30th of 65 in CO

Higher than 55% of seats.

Asian residents1% 9th pct · 59th of 65 in CO

Lower than 91% of seats.

People per square mile130 19th pct · 53rd of 65 in CO

Less dense than 81% 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 62
49% Hispanic · 24% college gradsD+2.8Held DDistrict 50
49% Hispanic · 21% college gradsR+1.2CountingDistrict 48
41% Hispanic · 23% college gradsR+24.9CountingDistrict 32
54% Hispanic · 23% college gradsD+10.7Held 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. Tisha Lyn Mauro (D)
    2023– · Won 2022 by 8.0, 2024 by 4.6, 2026 by 13.2

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