99chambers

Connecticut State Senate seat · lines in effect since 2022

Connecticut Senate District 23

A district of about 97,000 people, 52% Hispanic and 23% Black, 17% of adults with a bachelor's degree. It votes D+49.7 relative to the nation for president.

Herron Gaston (D) · since Nov 8, 2022Next election Nov 7, 2028The 2026 race →

Where it sits among all 36 seats

Every Connecticut State Senate 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+49.74th most
Democratic
Most DemocraticMost Republican19th seat · the majority lineDistrict 23

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.

20222024
Connecticut State SenateD+58.7D+57.8

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 36 seats. Small marks are other seats in Connecticut. The black marker is District 23.

Adults with a bachelor's degree17% 0th pct · 36th of 36 in CT

Lowest of 36 seats.

White adults without a degree14% 6th pct · 34th of 36 in CT

Lower than 94% of seats.

Hispanic residents52% 100th pct · 1st of 36 in CT

Highest of 36 seats.

Black residents23% 94th pct · 3rd of 36 in CT

Higher than 94% of seats.

Asian residents5% 60th pct · 15th of 36 in CT

Higher than 60% of seats.

People per square mile6,710 100th pct · 1st of 36 in CT

Densest of 36 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 1
47% Hispanic · 28% college gradsD+44.2Held DDistrict 10
30% Hispanic · 35% BlackD+55.1Held DDistrict 11
27% Hispanic · 47% college gradsD+57.6Held DDistrict 25
29% Hispanic · 49% college gradsD+30.2Held 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. Herron Gaston (D)
    2023– · Won 2022 by 58.7, 2024 by 57.8, 2026 by 87.3

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