Montana House of Representatives seat · lines in effect since 2024

Montana House District 20

A district of about 14,000 people, 28% of adults with a bachelor's degree. It votes R+8.9 relative to the nation for president.

Melissa Nikolakakos (R) · since Nov 5, 2024Flipped in 2026Next 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+8.943rd most
Democratic

Most DemocraticMost Republican51st seat · the majority lineDistrict 20

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+17.3	D+1.9	D+7.0	No race
Governor	D+19.3	No race	No race	R+13.0	No race
Montana House of Representatives	No race	No race	No race	R+7.0	D+1.2

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 20.

Adults with a bachelor's degree28% 35th pct · 63rd of 97 in MT

15%81%

Lower than 65% of seats.

White adults without a degree61% 58th pct · 41st of 97 in MT

7%75%

Higher than 58% of seats.

Hispanic residents6% 78th pct · 22nd of 97 in MT

1%13%

Higher than 78% of seats.

Black residents0% 72nd pct · 28th of 97 in MT

0%5%

Higher than 72% of seats.

Asian residents1% 59th pct · 40th of 97 in MT

0%5%

Higher than 59% of seats.

People per square mile4,951 98th pct · 3rd of 97 in MT

110K

Denser than 98% 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 48
30% college gradsR+14.2Held R District 67
33% college gradsR+25.7Held R District 7
35% college gradsR+17.5Held R District 43
26% college gradsR+24.3Held 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.

Steve Keller (D)
2027– · Won 2026 by 1.2
Melissa Nikolakakos (R)
2025–2027 · Won 2024 by 7.0

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