99chambers

Massachusetts House of Representatives seat · lines in effect since 2022

Massachusetts House of Representatives: 4th Hampden District

A district of about 47,000 people, 34% of adults with a bachelor's degree. It votes R+0.5 relative to the nation for president.

Kelly Pease (R) · since Nov 3, 2020Next election Nov 7, 2028The 2026 race →

Where it sits among all 160 seats

Every Massachusetts 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.

R+0.5146th most
Democratic
Most DemocraticMost Republican81st seat · the majority lineDistrict 47

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.

20242026
Massachusetts House of RepresentativesR+17.7R+21.3

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

Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 7, 2026, 3:01 PM ET

Who lives here, compared

Grey bars show the spread of all 160 seats. Small marks are other seats in Massachusetts. The black marker is District 47.

Adults with a bachelor's degree34% 28th pct · 115th of 160 in MA

Lower than 72% of seats.

White adults without a degree57% 92nd pct · 13th of 160 in MA

Higher than 92% of seats.

Hispanic residents9% 57th pct · 70th of 160 in MA

Higher than 57% of seats.

Black residents1% 3rd pct · 155th of 160 in MA

Lower than 97% of seats.

Asian residents3% 42nd pct · 93rd of 160 in MA

Lower than 58% of seats.

People per square mile634 23rd pct · 124th of 160 in MA

Less dense than 77% 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 148
39% college gradsD+1.3CountingDistrict 149
39% college gradsR+0.5Held RDistrict 14
35% college gradsR+4.9CountingDistrict 18
36% college gradsD+2.0Held 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. Kelly W. Pease (R)
    2023– · Won 2022 by 96.4, 2024 by 17.7, 2026 by 21.3

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