U.S. Senate
John Hickenlooper
63.6%197,356
Mark Baisley
31.2%96,760
Robert Chew
3.3%10,389
Blake Huber
1.2%3,876
2 more candidates on the race page.
Statewide: John Hickenlooper wins. Called.
Jefferson County, Colorado
2026 election results. John Hickenlooper (D) got 64% of the U.S. Senate vote in Jefferson County. The margin is 14.2 points more Democratic than the 2024 presidential vote here. Jefferson County is split between 4 U.S. House districts.
2026 results in Jefferson County
Governor
Phil Weiser
64.8%199,894
Victor Marx
28.9%89,160
Greg Lopez
3.1%9,453
Eric Mulder
1.9%5,901
3 more candidates on the race page.
Statewide: Phil Weiser wins. Called.
U.S. House: Colorado 1st District
Melat Kiros
—0
Christy Peterson
—0
Chad Humphrey
—0
Critter Milton
—0
1 more candidate on the race page.
Only part of Jefferson County is in this district; these are that part's votes. Whole district: Melat Kiros wins. Called.
U.S. House: Colorado 2nd District
Joe Neguse
63.1%731
Kelley Dennison
34.5%400
Gaylon Kent
2.4%28
Only part of Jefferson County is in this district; these are that part's votes. Whole district: Joe Neguse wins. Called.
U.S. House: Colorado 6th District
Jason Crow
55.2%18,470
Jason Clark
41.9%14,009
Patty McMahon
1.7%582
Samir Witta
0.6%214
1 more candidate on the race page.
Only part of Jefferson County is in this district; these are that part's votes. Whole district: Jason Crow wins. Called.
U.S. House: Colorado 7th District
Brittany Pettersen
63.9%174,891
Tim Bennett
32.9%90,165
Joe Krzeczkowski
1.2%3,418
Dan Sallis
1.1%3,048
2 more candidates on the race page.
Only part of Jefferson County is in this district; these are that part's votes. Whole district: Brittany Pettersen wins. Called.
The leader in Jefferson 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, 12:27 PM.
Compared with 2024
| Race | Margin | 2024 president | Shift |
|---|---|---|---|
| CO Senate | D +34.2 | D +20.0 | D +14.2 |
| CO Governor | D +38.3 | D +20.0 | D +18.3 |
| CO-02 part of the county | D +29.3 | D +22.9 | D +6.4 |
| CO-06 part of the county | D +13.7 | D +2.2 | D +11.5 |
| CO-07 part of the county | D +32.0 | D +22.2 | D +9.8 |
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 Jefferson County has voted for president
| Year | Democrat | Share | Republican | Share | Margin |
|---|---|---|---|---|---|
| 2024 | Kamala Harris | 58.3% | Donald Trump | 38.8% | D +19.5 |
| 2020 | Joe Biden | 57.9% | Donald Trump | 39.3% | D +18.5 |
| 2016 | Hillary Clinton | 48.9% | Donald Trump | 42.0% | D +6.9 |
| 2012 | Barack Obama | 51.2% | Mitt Romney | 46.4% | D +4.9 |
| 2008 | Barack Obama | 53.6% | John McCain | 44.6% | D +9.0 |
| 2004 | John Kerry | 46.6% | George W. Bush | 51.8% | R +5.2 |
| 2000 | Al Gore | 42.9% | George W. Bush | 51.0% | R +8.1 |
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 +27.6.
Other counties in Colorado
Colorado results- Adams County
- Alamosa County
- Arapahoe County
- Archuleta County
- Baca County
- Bent County
- Boulder County
- Broomfield County
- Chaffee County
- Cheyenne County
- Clear Creek County
- Conejos County
- Costilla County
- Crowley County
- Custer County
- Delta County
- Denver County
- Dolores County
- Douglas County
- Eagle County
- El Paso County
- Elbert County
- Fremont County
- Garfield County
- Gilpin County
- Grand County
- Gunnison County
- Hinsdale County
- Huerfano County
- Jackson County
- Kiowa County
- Kit Carson County
- La Plata County
- Lake County
- Larimer County
- Las Animas County
- Lincoln County
- Logan County
- Mesa County
- Mineral County
- Moffat County
- Montezuma County
- Montrose County
- Morgan County
- Otero County
- Ouray County
- Park County
- Phillips County
- Pitkin County
- Prowers County
- Pueblo County
- Rio Blanco County
- Rio Grande County
- Routt County
- Saguache County
- San Juan County
- San Miguel County
- Sedgwick County
- Summit County
- Teller County
- Washington County
- Weld County
- Yuma County
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.