2016Final results
2016 election for Colorado Senate District 10
Colorado State Senate · Colorado
Owen Hill (R) won with 66.2% of the vote, defeating Mark Anthony Barrionuevo (D) by 32.4 points.
Owen HillRepublican · winner · incumbent
66.2%47,832
Mark Anthony BarrionuevoDemocrat
33.8%24,430
The same year, the district voted R+24.7 for president; this race was R+32.4.72,262 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET