| Election Name: | 2016 Colorado State Senate election |
| Country: | Colorado |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 2014 Colorado Senate election |
| Previous Year: | 2014 |
| Next Election: | 2018 Colorado State Senate election |
| Next Year: | 2018 |
| Seats For Election: | 18 of the 35 seats in the Colorado Senate |
| Majority Seats: | 18 |
| Election Date: | November 8, 2016 |
| Turnout: | 74.05% |
| 1Blank: | Seats up |
| 2Blank: | Races won |
| Image1: | File:La Junta Business Roundtable (6128049313) (cropped).jpg |
| Leader1: | Kevin Grantham |
| Party1: | Colorado Republican Party |
| Leaders Seat1: | District 2 |
| Last Election1: | 18 |
| Seats1: | 18 |
| Popular Vote1: | 580,873 |
| Percentage1: | 44.50% |
| 1Data1: | 8 |
| 2Data1: | 8 |
| Leader2: | Lucía Guzmán |
| Party2: | Colorado Democratic Party |
| Leaders Seat2: | District 34 |
| Last Election2: | 17 |
| Seats2: | 17 |
| Popular Vote2: | 697,521 |
| Percentage2: | 53.44% |
| 1Data2: | 10 |
| 2Data2: | 10 |
| Map Size: | 350px |
| President | |
| Before Election: | Bill Cadman |
| Before Party: | Colorado Republican Party |
| After Election: | Kevin Grantham |
| After Party: | Colorado Republican Party |
The 2016 Colorado State Senate elections were held on November 8, 2016 to elect 18 of the 35 members of Colorado's Senate. The election coincided with elections for other offices, including U.S. President, U.S. Senate, U.S. House of Representatives and state senate. The primary election was held on June 28, 2016.
There was no change in the composition of the Senate as both Democrats and Republicans gained one seat each, winning 10 and 8 seats respectively.
| Party | Candi- dates | Votes | % | Seats | +/– | ||
|---|---|---|---|---|---|---|---|
| 17 | 697,521 | 53.44% | 10 | ||||
| 16 | 580,873 | 44.50% | 8 | ||||
| 4 | 26,549 | 2.03% | 0 | ||||
| 1 | 352 | 0.03% | 0 | ||||
| Total | 38 | 1,305,295 | 100.00% | 18 | |||
| Ballots Cast | 1,464,250 | 74.05% | |||||
| Registered Voters | 1,977,448 | ||||||
Results of the 2016 Colorado Senate election by district:[1]
| scope=col rowspan=3 | District | scope=col colspan=2 | Democratic | scope=col colspan=2 | Republican | scope=col colspan=2 | Others | scope=col colspan=2 | Total | scope=col rowspan=3 | Ballots Cast | scope=col rowspan=3 | Regis- tered Voters | scope=col rowspan=3 | Turn- out | scope=col rowspan=3 | Result |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| scope=col colspan=2 style="background:" | ! | scope=col colspan=2 style="background:" | ! | scope=col colspan=2 | ! | scope=col colspan=2 | |||||||||||
| scope=col data-sort-type="number" | Votes ! | scope=col data-sort-type="number" | % ! | scope=col data-sort-type="number" | Votes ! | scope=col data-sort-type="number" | % ! | scope=col data-sort-type="number" | Votes ! | scope=col data-sort-type="number" | % ! | scope=col data-sort-type="number" | Votes ! | scope=col data-sort-type="number" | % | ||
| 27,779 | 30.61% | 62,981 | 69.39% | - | - | 46,537 | 100.00% | 99,340 | 123,851 | 80.21% | Republican Hold | ||||||
| 32,530 | 45.15% | 39,526 | 54.85% | - | - | 51,931 | 100.00% | 78,097 | 109,469 | 71.34% | Republican Hold | ||||||
| 24,430 | 33.81% | 47,832 | 66.19% | - | - | 60,926 | 100.00% | 79,571 | 108,792 | 73.14% | Republican Hold | ||||||
| - | - | 45,938 | 75.30% | 15,071 | 24.70% | 34,564 | 100.00% | 69,685 | 99,601 | 69.96% | Republican Hold | ||||||
| 52,902 | 61.67% | 32,886 | 38.33% | - | - | 44,823 | 100.00% | 94,244 | 123,636 | 76.23% | Democratic Hold | ||||||
| 57,649 | 100.00% | - | - | - | - | 65,292 | 100.00% | 87,334 | 113,723 | 76.80% | Democratic Hold | ||||||
| 67,799 | 79.61% | 17,370 | 20.39% | - | - | 39,725 | 100.00% | 96,750 | 138,481 | 69.87% | Democratic Hold | ||||||
| 39,070 | 47.78% | 37,592 | 45.97% | 5,112 | 6.25% | 50,914 | 100.00% | 86,231 | 109,881 | 78.48% | Democratic GAIN | ||||||
| 38,428 | 99.09% | - | - | 352 | 0.91% | 56,955 | 100.00% | 57,508 | 82,490 | 69.72% | Democratic Hold | ||||||
| 40,281 | 42.04% | 55,528 | 57.96% | - | - | 29,633 | 100.00% | 104,675 | 130,395 | 80.28% | Republican Hold | ||||||
| 27,678 | 47.93% | 30,074 | 52.07% | - | - | 36,863 | 100.00% | 62,734 | 87,100 | 72.03% | Republican GAIN | ||||||
| 42,145 | 53.48% | 36,666 | 46.52% | - | - | 39,258 | 100.00% | 83,698 | 111,841 | 74.84% | Democratic Hold | ||||||
| 38,489 | 46.56% | 44,169 | 53.44% | - | - | 28,336 | 100.00% | 87,965 | 110,010 | 79.96% | Republican Hold | ||||||
| 39,143 | 55.73% | 31,096 | 44.27% | - | - | 29,380 | 100.00% | 75,265 | 103,115 | 72.99% | Democratic Hold | ||||||
| 30,998 | 54.19% | 22,503 | 39.34% | 3,698 | 6.47% | 24,881 | 100.00% | 60,944 | 90,676 | 67.21% | Democratic Hold | ||||||
| 57,793 | 69.58% | 25,268 | 30.42% | - | - | 60,599 | 100.00% | 93,908 | 126,671 | 74.14% | Democratic Hold | ||||||
| 57,049 | 81.95% | 12,564 | 18.05% | - | - | 35,008 | 100.00% | 78,099 | 114,270 | 68.35% | Democratic Hold | ||||||
| 23,358 | 35.99% | 38,880 | 59.90% | 2,668 | 4.11% | 55,927 | 100.00% | 68,202 | 93,446 | 72.99% | Republican Hold | ||||||
| Total | 697,521 | 53.44% | 580,873 | 44.50% | 26,901 | 2.06% | 1,305,295 | 100.00% | 1,464,250 | 1,977,448 | 74.05% |