Montana House of Representatives seat · lines in effect since 2024

Montana House District 19

A district of about 8,300 people, 21% of adults with a bachelor's degree. It votes R+2.8 relative to the nation for president.

Jane Weber (D) · since Nov 5, 2024Next election Nov 7, 2028The 2026 race →

Where it sits among all 100 seats

Every Montana 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+2.840th most
Democratic

Most DemocraticMost Republican51st seat · the majority lineDistrict 19

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.

	2016	2018	2020	2024	2026
U.S. Senate	No race	D+16.0	D+0.2	D+17.7	No race
Governor	D+18.7	No race	No race	R+3.0	No race
Montana House of Representatives	No race	No race	No race	D+9.3	D+28.4

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

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

Who lives here, compared

Grey bars show the spread of all 100 seats. Small marks are other seats in Montana. The black marker is District 19.

Adults with a bachelor's degree21% 8th pct · 89th of 97 in MT

15%81%

Lower than 92% of seats.

White adults without a degree60% 56th pct · 43rd of 97 in MT

7%75%

Higher than 56% of seats.

Hispanic residents6% 74th pct · 26th of 97 in MT

1%13%

Higher than 74% of seats.

Black residents2% 97th pct · 4th of 97 in MT

0%5%

Higher than 97% of seats.

Asian residents1% 74th pct · 26th of 97 in MT

0%5%

Higher than 74% of seats.

People per square mile3,428 96th pct · 5th of 97 in MT

110K

Denser than 96% 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. 1 of the 4 flipped this year.

District 23
MontanaR+10.0Held R District 82
42% college gradsD+5.6Held D District 20
28% college gradsR+8.9Flipped D District 48
30% college gradsR+14.2Held 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

These lines took effect in 2024.

Jane Weber (D)
2025– · Won 2024 by 9.3, 2026 by 28.4

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