2020 Colorado State Senate election 18 of the 35 seats in theColorado Senate 18 seats needed for a majorityResults: Democratic gain Democratic hold Republican hold No election
The2020 Colorado Senate elections took place on November 3, 2020, with the primary elections held on June 30, 2020.[ 1] Voters in 18 out of 35 districts of the state senate elected their representative for a four-year term.[ 2] It coincided with thestate House elections and the biennialUnited States elections . The Democratic Party retained control of the Senate, winning 20 seats, and increased their majority by one, gaining the27th district from the Republican Party.
In the previousstate Senate election (2018) , theDemocrats claimed control of the chamber from theRepublicans , gaining two Republican seats and oneindependent (formerly Democratic senator) seat. That resulted in a 19-seat Democratic majority. Therefore, for Democrats to have lost their absolute majority in the Senate in this election, Republicans and other parties would have needed to gain at least two more seats.
Incumbents not seeking re-election [ edit ] Term-limited incumbents [ edit ] One Democratic and three Republican incumbents were term-limited and prohibited from seeking a consecutive third term.[ 2]
Retiring incumbents [ edit ] Districts not shown would not be up for election until 2022. Bold - GainItalics - Hold, new member
Seats where the margin of victory was under 10%:
District 8, 1.16% District 25, 1.68% 4th District Democratic primary Party Candidate Votes % Democratic Elissa Flaumenhaft 19,997 100.0 Total votes 19,997 100.0
4th District Republican primary Party Candidate Votes % Republican Jim Smallwood (incumbent)26,061 100.0 Total votes 26,061 100.0
2020 Colorado Senate election, 4th District Party Candidate Votes % Republican Jim Smallwood (incumbent) 73,832 62.27 Democratic Elissa Flaumenhaft 41,526 35.02 Libertarian Wayne Harlos 3,208 2.71 Total votes 118,566 100.0 Republican hold
8th District Democratic primary Party Candidate Votes % Democratic Karl Hanlon 10,847 55.82 Democratic Arn Menconi 8,584 44.18 Total votes 19,431 100.0
2020 Colorado Senate election, 8th District Party Candidate Votes % Republican Bob Rankin (incumbent) 42,701 50.58 Democratic Karl Hanlon 41,717 49.42 Total votes 84,418 100.0 Republican hold
10th District Democratic primary Party Candidate Votes % Democratic Randi McCallian 14,822 100.0 Total votes 14,822 100.0
10th District Republican primary Party Candidate Votes % Republican Larry Liston 20,258 100.0 Total votes 20,258 100.0
12th District Democratic primary Party Candidate Votes % Democratic Electra Johnson 13,355 100.0 Total votes 13,355 100.0
12th District Republican primary Party Candidate Votes % Republican Bob Gardner (incumbent)17,947 100.0 Total votes 17,947 100.0
2020 Colorado Senate election, 12th District Party Candidate Votes % Republican Bob Gardner (incumbent) 45,808 58.35 Democratic Electra Johnson 29,656 37.77 Libertarian Zechariah L. Harris 3,048 3.88 Total votes 78,512 100.0 Republican hold
14th District Democratic primary Party Candidate Votes % Democratic Joann Ginal (incumbent)29,452 100.0 Total votes 29,452 100.0
14th District Republican primary Party Candidate Votes % Republican Hans D. Hochheimer 10,555 100.0 Total votes 10,555 100.0
2020 Colorado Senate election, 14th District Party Candidate Votes % Democratic Joann Ginal (incumbent) 63,409 66.65 Republican Hans D. Hochheimer 31,724 33.35 Total votes 95,133 100.0 Democratic hold
17th District Republican primary Party Candidate Votes % Republican Matthew D. Menza 10,009 100.0 Total votes 10,009 100.0
17th District general election, 2020 Party Candidate Votes % Democratic Sonya Jaquez Lewis 65,226 67.89 Republican Matthew D. Menza 30,848 32.11 Total votes 96,074 100.0 Democratic hold
18th District Democratic primary Party Candidate Votes % Democratic Steve Fenberg (incumbent)40,036 100.0 Total votes 40,036 100.0
18th District Republican primary Party Candidate Votes % Republican Peg Cage 4,673 100.0 Total votes 4,673 100.0
2020 Colorado Senate election, 18th District Party Candidate Votes % Democratic Steve Fenberg (incumbent) 75,261 82.90 Republican Peg Cage 15,524 17.10 Total votes 90,785 100.0 Democratic hold
19th District Republican primary Party Candidate Votes % Republican Lynn Gerber 13,926 100.0 Total votes 13,926 100.0
2020 Colorado Senate election, 19th District Party Candidate Votes % Democratic Rachel Zenzinger (incumbent) 54,694 59.17 Republican Lynn Gerber 37,740 40.83 Total votes 92,434 100.0 Democratic hold
21st District Republican primary Party Candidate Votes % Republican Martín Mendez 6,320 100.0 Total votes 6,320 100.0
2020 Colorado Senate election, 21st District Party Candidate Votes % Democratic Dominick Moreno (incumbent) 41,438 63.55 Republican Martín Mendez 23,769 36.45 Total votes 65,207 100.0 Democratic hold
23rd District Democratic primary Party Candidate Votes % Democratic Sally Boccella 16,649 55.60 Democratic Galina Nicoll 13,295 44.40 Total votes 29,944 100.0
25th District Democratic primary Party Candidate Votes % Democratic Paula Dickerson 15,477 100.0 Total votes 15,477 100.0
25th District Republican primary Party Candidate Votes % Republican Kevin Priola (incumbent)11,135 100.0 Total votes 11,135 100.0
2020 Colorado Senate election, 25th District Party Candidate Votes % Republican Kevin Priola (incumbent) 37,195 50.84 Democratic Paula Dickerson 35,968 49.16 Total votes 73,163 100.0 Republican hold
26th District Democratic primary Party Candidate Votes % Democratic Jeff Bridges (incumbent)27,578 100.0 Total votes 27,578 100.0
26th District Republican primary Party Candidate Votes % Republican Bob Roth 12,142 100.0 Total votes 12,142 100.0
2020 Colorado Senate election, 26th District Party Candidate Votes % Democratic Jeff Bridges (incumbent) 54,275 60.56 Republican Bob Roth 32,984 36.80 Libertarian Marc Solomon 2,366 2.64 Total votes 89,625 100.0 Democratic hold
27th District Republican primary Party Candidate Votes % Republican Suzanne Staiert 14,638 100.0 Total votes 14,638 100.0
28th District Republican primary Party Candidate Votes % Republican Karl Stecher 11,157 100.0 Total votes 11,157 100.0
2020 Colorado Senate election, 28th District Party Candidate Votes % Democratic Janet Buckner 51,028 61.92 Republican Karl Stecher 31,387 38.08 Total votes 82,415 100.0 Democratic hold
29th District Democratic primary Party Candidate Votes % Democratic Rhonda Fields (incumbent)20,226 100.0 Total votes 20,226 100.0
2020 Colorado Senate election, 29th District Party Candidate Votes % Democratic Rhonda Fields (incumbent) 45,828 68.66 Libertarian Michele Poague 20,914 31.34 Total votes 66,742 100.0 Democratic hold
31st District Republican primary Party Candidate Votes % Republican Doug Townsend 6,762 100.0 Total votes 6,762 100.0
2020 Colorado Senate election, 31st District Party Candidate Votes % Democratic Chris Hansen (incumbent) 74,288 76.70 Republican Doug Townsend 22,562 23.30 Total votes 96,850 100.0 Democratic hold
2020 Colorado Senate election, 33rd District Party Candidate Votes % Democratic James Coleman 75,702 91.01 Unity Jerry Burton 7,482 8.99 Total votes 83,184 100.0 Democratic hold
35th District Democratic primary Party Candidate Votes % Democratic Carlos R. Lopez 15,609 100.0 Total votes 15,609 100.0
2020 Colorado Senate election, 35th District Party Candidate Votes % Republican Cleave Simpson 43,970 60.12 Democratic Carlos R. Lopez 29,163 39.88 Total votes 73,133 100.0 Republican hold
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