99chambers

Connecticut House of Representatives seat · lines in effect since 2022

Connecticut House District 133

A district of about 25,000 people, 57% of adults with a bachelor's degree. It votes D+30.0 relative to the nation for president.

Cristin McCarthy Vahey (D) · since Nov 4, 2014Next election Nov 7, 2028The 2026 race →

Where it sits among all 151 seats

Every Connecticut 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+30.045th most
Democratic
Most DemocraticMost Republican76th seat · the majority lineDistrict 133

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.

202220242026
Connecticut House of RepresentativesD+25.6D+31.2D+33.9

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

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

Who lives here, compared

Grey bars show the spread of all 151 seats. Small marks are other seats in Connecticut. The black marker is District 133.

Adults with a bachelor's degree57% 83rd pct · 27th of 151 in CT

Higher than 83% of seats.

White adults without a degree25% 30th pct · 106th of 151 in CT

Lower than 70% of seats.

Hispanic residents13% 52nd pct · 73rd of 151 in CT

Higher than 52% of seats.

Black residents3% 35th pct · 99th of 151 in CT

Lower than 65% of seats.

Asian residents6% 76th pct · 37th of 151 in CT

Higher than 76% of seats.

People per square mile4,307 79th pct · 32nd of 151 in CT

Denser than 79% 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 143
22% Hispanic · 59% college gradsD+30.4Held DDistrict 134
67% college gradsD+23.5Held DDistrict 20
43% college gradsD+33.4Held DDistrict 132
77% college gradsD+27.3Held 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. Cristin McCarthy Vahey (D)
    2023– · Won 2022 by 25.6, 2024 by 31.2, 2026 by 33.9

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