Electoral MeridianIndependent Election Research

Forecasts. Results. Evidence.

States ยท Colorado

Arapahoe County, Colorado

2026 election results. John Hickenlooper (D) got 66% of the U.S. Senate vote in Arapahoe County. The margin is 17.7 points more Democratic than the 2024 presidential vote here. Arapahoe County is split between 3 U.S. House districts.

2026 results in Arapahoe County

U.S. Senate

John Hickenlooper
65.8%177,301
Mark Baisley
29.3%78,969
Robert Chew
3.0%8,103
Blake Huber
1.1%3,020

2 more candidates on the race page.

100% counted

Statewide: John Hickenlooper wins. Called.

Governor

Phil Weiser
67.1%179,377
Victor Marx
27.0%72,086
Greg Lopez
3.0%7,894
Eric Mulder
1.8%4,684

3 more candidates on the race page.

100% counted

Statewide: Phil Weiser wins. Called.

U.S. House: Colorado 1st District

Melat Kiros
75.3%2,079
Christy Peterson
18.1%501
Shimon Blau
4.4%122
Chad Humphrey
1.9%52

1 more candidate on the race page.

100% counted

Only part of Arapahoe County is in this district; these are that part's votes. Whole district: Melat Kiros wins. Called.

U.S. House: Colorado 4th District

Eileen Laubacher
59.5%10,283
Lauren Boebert
37.1%6,403
Douglas Mangeris
3.4%586
100% counted

Only part of Arapahoe County is in this district; these are that part's votes. Whole district: not called; Eileen Laubacher leads.

U.S. House: Colorado 6th District

Jason Crow
66.6%163,739
Jason Clark
30.3%74,475
Patty McMahon
1.6%3,853
Samir Witta
1.0%2,360

1 more candidate on the race page.

100% counted

Only part of Arapahoe County is in this district; these are that part's votes. Whole district: Jason Crow wins. Called.

The leader in Arapahoe 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 13, 3:39 PM.

Compared with 2024

RaceMargin2024 presidentShift
CO SenateD +38.4D +20.7D +17.7
CO GovernorD +42.7D +20.7D +22.0
CO-01 part of the countyD +61.2D +50.1D +11.0
CO-04 part of the countyD +23.3R +3.5D +26.7
CO-06 part of the countyD +37.5D +22.0D +15.4

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 Arapahoe County has voted for president

YearDemocratShareRepublicanShareMarginVotes
2024Kamala Harris58.6%Donald Trump38.5%D +20.1325,631
2020Joe Biden61.0%Donald Trump36.4%D +24.7350,282
2016Hillary Clinton52.8%Donald Trump38.6%D +14.1303,046
2012Barack Obama53.9%Mitt Romney44.0%D +9.9285,516
2008Barack Obama55.7%John McCain42.8%D +12.9266,148
2004John Kerry47.5%George W. Bush51.5%R +4.0232,171
2000Al Gore43.5%George W. Bush51.5%R +8.0189,942

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 D +28.1.

Other counties in Colorado

Colorado results

Sources & scope

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