99chambers

U.S. House seat · current lines

Missouri's 8th District

A district of about 779,000 people, 21% of adults with a bachelor's degree. It votes R+54.0 relative to the nation for president.

Jason Smith (R) · since Jun 4, 2013Next election Nov 7, 2028The 2026 race →
MO-8

Source: 2026 results: civicAPI; boundaries: Census Bureau TIGER/LineUpdated Nov 7, 2026, 3:01 PM ET

Where it sits among all 435 seats

Every U.S. House 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+54.0430th most
Democratic
Most DemocraticMost Republican218th seat · the majority line1523647MO-8

Labels below the bar mark 7 other seats in Missouri.

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
U.S. HouseR+54.1R+54.4R+38.6

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 435 seats. Small marks are other seats in Missouri. The black marker is MO-8.

Adults with a bachelor's degree21% 3rd pct · 8th of 8 in MO

Lower than 97% of seats.

White adults without a degree71% 99th pct · 1st of 8 in MO

Higher than 99% of seats.

Hispanic residents3% 3rd pct · 8th of 8 in MO

Lower than 97% of seats.

Black residents4% 27th pct · 5th of 8 in MO

Lower than 73% of seats.

Asian residents1% 6th pct · 8th of 8 in MO

Lower than 94% of seats.

People per square mile42 9th pct · 7th of 8 in MO

Less dense than 91% 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.

KY-1
21% college gradsR+46.9Held RWV-1
22% college gradsR+44.3Held RIL-12
24% college gradsR+43.9Held RPA-13
22% college gradsR+45.7Held R

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

  1. Jason Smith (R)
    2023– · Won 2022 by 54.1, 2024 by 54.4, 2026 by 38.6

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