PRIMARY 2018: Colorado votes by the numbers
Here’s a look at key voting statistics from the June primaries as reported by Secretary of State Wayne Williams (vote totals as of early Thursday).
Total ballots returned: 1,173,563
Ballots cast by Democrats: 468,403
Ballots cast by Republicans: 414,375
Ballots cast by unaffiliated voters: 290,785
Ballots cast by women: 627,480
Ballots cast by men: 538,562
Ballots cast by voters of unknown gender: 7,521
Democratic ballots cast by women: 362,631
Republican ballots cast by women: 250,985
Democratic ballots cast by men: 264,268
Republican ballots cast by men: 259,666
Democratic ballots case by unaffiliated voters: 163,493
Republican ballots case by unaffiliated voters: 98,334
Ballots cast by women ages 18-25: 28,384
Ballots cast by women ages 26-40: 95,650
Ballots cast by women ages 41-60: 203,341
Ballots cast by women ages 61-70: 159,286
Ballots cast by women ages 71 and over: 140,819
Ballots cast by men ages 18-25: 25,034
Ballots cast by men ages 26-40: 81,480
Ballots cast by men ages 41-60: 175,868
Ballots cast by men ages 61-70: 137,552
Ballots cast by men ages 71 and over: 118,628
Ratio that party-affiliated women ages 26-40 voted Democratic over Republican: 50,042 to 17,745.
Ratio that party-affiliated men ages 71 and older voted Republican over Democratic: 56,573 to 37,698.
Ratio of Democrats to Republicans who voted in Denver County: 92,776 to 18,877
Ratio of Democrats to Republicans who voted in Boulder County: 50,736 to 13,108
Ratio of Democrats to Republicans who voted in Pueblo County: 16,306 to 9,385
Ratio of Republicans to Democrats who voted in El Paso County: 72,709 to 34,580
Ratio of Republicans to Democrats who voted in Douglas County: 34,266 to 19,367
Ratio of Republicans to Democrats who voted in Mesa County: 17,799 to 8,278
Highest percentage of the vote in a contested party primary by a congressional candidate: Diana DeGette, Democrat, 1st District, 68.27%
Second highest percentage of the vote in a contested party primary by a congressional candidate: Jason Crow, Democrat, 6th District, 65.94%
Third highest percentage of the vote in a contested party primary by a congressional candidate: Joe Neguse, Democrat, 2nd District, 65.82%
Highest percentage of the vote in a contested party primary by a state Senate candidate: Beth Harz, Democrat, 2nd District, 74.0%
Second highest percentage of the vote in a contested party primary by a state Senate candidate: Ray Scott, Republican, 7th District, 64.09%
Third highest percentage of the vote in a contested party primary by a state Senate candidate: Julie Gonzales, Democrat, 34th District, 63.78%
Note: The figures above are for mailed or dropped-off ballots. An additional 13,543 people voted in person at a a Voter Service and Polling Center, including 9,647 Democrats and 3,896 Republicans.


