CalledUnofficial results
Minnesota House District 20A
Minnesota House of Representatives · Minnesota
Pam Altendorf won re-election by 7.7 points over Heather Arndt.
Pam AltendorfRepublican · winner · incumbent
53.8%11,622
Heather ArndtDemocrat
46.1%9,962
Write-InOther party
0.1%14
21,598 votes
Source: Minnesota Secretary of State unofficial resultsUpdated Nov 7, 2026, 1:21 PM ET
Where the race moved
Against the 2024 presidential vote
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Money in this race
Each line compares the two campaigns on one scale.
Heather ArndtPam Altendorf
$33.6K
Raised by the campaign
$43.1K
$25.5K
Spent by the campaign
$47.8K
$15.6K
Cash on hand
$930
Campaign money: Minnesota Campaign Finance Board, through Oct 19, 2026.
Source: Minnesota Campaign Finance Board campaign filingsUpdated Oct 19, 2026
Pre-election forecast (final, Nov 3)
Our model's last run before Election Day, Nov 3, 2026. It no longer updates.
- Heather Arndt
- 20%
- Pam Altendorf
- 80%
- Projected margin
- R+6.1
The candidates
Pam Altendorf (R)
Incumbent, Minnesota House of Representatives, first elected 2022Heather Arndt (D)
Incumbent, Minnesota House of Representatives, first elected 2022Heather Arndt (D)
Also on the ballot: Write-In (Other party), 0.1%