Electoral MeridianIndependent Election Research

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States ยท Iowa

O'Brien County, Iowa

2026 election results. Zach Lahn (R) got 71% of the vote for governor in O'Brien County. The margin is 19.8 points more Democratic than the 2024 presidential vote here. Below are also 9 local contests from the state's own results.

2026 results in O'Brien County

U.S. Senate

Ashley Hinson
71.6%3,967
Josh Turek
24.8%1,372
Thomas Laehn
3.6%199
100% counted

Statewide: Josh Turek wins. Called.

Governor

Zach Lahn
70.8%3,983
Rob Sand
29.2%1,639
100% counted

Statewide: Rob Sand wins. Called.

The leader in O'Brien County is only who has the most votes counted here. Races are won statewide or district-wide, and only the race pages report calls. Last vote update here Nov 9, 3:50 PM.

9 local contests in O'Brien County

Judges on O'Brien County's ballots, from Iowa's official results file. Names are as the state prints them. "Ahead" describes the current count; it isn't a race call, and we don't call measures. Source delayed. The last usable results are shown.

Judges

Court of Appeals Judge - Sharon Soorholtz Greer

ChoiceVotesShare
Yes3,18380.9%
No75319.1%

Yes ahead with 80.9% in O'Brien County. The contest crosses into 98 other counties; across all of them: Yes 679,101 (71.3%), No 273,907 (28.7%).

Court of Appeals Judge - John M. Sandy

ChoiceVotesShare
Yes3,23882.3%
No69617.7%

Yes ahead with 82.3% in O'Brien County. The contest crosses into 98 other counties; across all of them: Yes 673,328 (70.9%), No 277,019 (29.1%).

Court of Appeals Judge - Julie A. Schumacher

ChoiceVotesShare
Yes3,22282.9%
No66617.1%

Yes ahead with 82.9% in O'Brien County. The contest crosses into 98 other counties; across all of them: Yes 707,287 (73.8%), No 251,442 (26.2%).

District 3A Judge - Charles Borth

ChoiceVotesShare
Yes3,14881.9%
No69718.1%

Yes ahead with 81.9% in O'Brien County. The contest crosses into 9 other counties; across all of them: Yes 30,716 (80.7%), No 7,340 (19.3%).

District 3A Judge - Adam Miller

ChoiceVotesShare
Yes3,25683.7%
No63216.3%

Yes ahead with 83.7% in O'Brien County. The contest crosses into 9 other counties; across all of them: Yes 30,800 (81.9%), No 6,829 (18.1%).

District 3A Judge - Carl J. Petersen

ChoiceVotesShare
Yes3,23982.9%
No66717.1%

Yes ahead with 82.9% in O'Brien County. The contest crosses into 9 other counties; across all of them: Yes 30,849 (81.2%), No 7,121 (18.8%).

District 3A Judge - Andrew J. Smith

ChoiceVotesShare
Yes3,13481.7%
No70118.3%

Yes ahead with 81.7% in O'Brien County. The contest crosses into 9 other counties; across all of them: Yes 30,030 (80.0%), No 7,499 (20.0%).

District 3A Associate Judge - Kristi Busse

ChoiceVotesShare
Yes3,21482.9%
No66317.1%

Yes ahead with 82.9% in O'Brien County. The contest crosses into 9 other counties; across all of them: Yes 31,239 (82.1%), No 6,815 (17.9%).

District 3A Associate Judge - Jennifer Bennett Finn

ChoiceVotesShare
Yes3,10180.9%
No73019.1%

Yes ahead with 80.9% in O'Brien County. The contest crosses into 9 other counties; across all of them: Yes 29,812 (78.8%), No 8,010 (21.2%).

Iowa's official results, file posted Nov 13, 3:23 PM. Unofficial until certified.

Compared with 2024

RaceMargin2024 presidentShift
IA SenateR +48.6R +61.5D +12.9
IA GovernorR +41.7R +61.5D +19.8
IA-04R +52.0R +61.5D +9.5

Margins compare the Democrat and the Republican only. The 2024 column is the presidential margin in the same places as each race's votes here. Shift is this year's margin minus it, shown once at least 90% of the expected vote is counted. A dash means there's no 2024 figure for those exact places.

How O'Brien County has voted for president

YearDemocratShareRepublicanShareMarginVotes
2024Kamala Harris19.0%Donald Trump79.7%R +60.77,525
2020Joe Biden20.8%Donald Trump77.6%R +56.87,551
2016Hillary Clinton17.8%Donald Trump77.7%R +59.97,406
2012Barack Obama26.8%Mitt Romney71.7%R +44.97,341
2008Barack Obama31.9%John McCain66.7%R +34.97,333
2004John Kerry30.1%George W. Bush68.9%R +38.87,731
2000Al Gore30.8%George W. Bush66.4%R +35.57,044

Shares are of all presidential votes, and the margin is the Democrat's share minus the Republican's. Since 2000, the presidential margin here has moved R +25.2.

Other counties in Iowa

Iowa results

Sources & scope

Votes for 2026 come from the count this site reads, by county. They're unofficial until Iowa certifies them. Past presidential votes are from MEDSL and VEST, via Polling Forecast. Iowa's own results, deadlines and offices are on the state page.