Colorado State Senate seat · lines in effect since 2022
Colorado Senate District 17
A district of about 156,000 people, 21% Hispanic, 55% of adults with a bachelor's degree. It votes D+40.3 relative to the nation for president.
2024 election
Nov 5, 2024- Sonya Jaquez Lewis (D) · won66.8%
- Tom Van Lone (R)33.2%
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 12:13 PM ET
Where it sits among all 35 seats
Every Colorado State Senate seat by partisan lean, from most Democratic to most Republican. Lean is the seat's presidential vote on current lines, relative to the nation.
Democratic
Source: 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET
Every election for this seat
15 races since 1968. District numbers are redrawn after each census: each group is one set of lines.
| Year | Winner | Runner-up | Won by |
|---|---|---|---|
| Lines first used in 2022 | |||
| 2024 | Sonya Jaquez Lewis (D) | Tom Van Lone (R) | 33.5 |
| Lines first used in 2012 | |||
| 2020 | Sonya Jaquez Lewis (D) | Matthew D. Menza (R) | 35.8 |
| 2016 | Matt Jones (D) | — | Unopposed |
| 2012 | Matt Jones (D) | Charlie Plagainos (R) | 29.3 |
| Lines first used in 2002 | |||
| 2008 | Brandon C. Shaffer (D) | Katie Witt (R) | 23.7 |
| 2004 | Brandon C. Shaffer (D) | Sandy Hume (R) | 12.4 |
| Lines first used in 1992 | |||
| 2000 | Terry L. Phillips (D) | Randal L. Custer (R) | 12.9 |
| 1996 | Terry L. Phillips (D) | Drew Clark (R) | 2.7 |
| 1992 | Paul Weissmann (D) | David Leeds (R) | 0.8 |
| Lines first used in 1982 | |||
| 1988 | Sandy Hume (R) | Margaret B. Markey (D) | 16.7 |
| 1984 | Leslie Fowler (R) | Michael J. Kudla (D) | 36.3 |
| Lines first used in 1972 | |||
| 1980 | Ted Strickland (R) | Ron Burkhardt (D) | 13.5 |
| 1976 | Ted Strickland (R) | Mullen (D) | 16.4 |
| 1972 | Ted Strickland (R) | Philip F. Roan (D) | 17.9 |
| Lines first used in 1962 | |||
| 1968 | Ted Strickland (R) | Andy D. Lucas (D) | 11.6 |
Won by: the winner's lead over the runner-up, in points of the vote. Source: 99chambers results archive (MEDSL, Klarner, state election offices)
Districts that overlap District 17
The state's districts in other chambers that share residents with this one, and the share of District 17's area in each.
- U.S. House
- CO-2 100%
Every race on these lines
Results recomputed from precinct returns as if today's boundaries had always existed, so years compare like for like.
| 2016 | 2018 | 2020 | 2024 | |
|---|---|---|---|---|
| President | D+25.7 | No race | No race | D+39.6 |
| U.S. Senate | D+22.5 | No race | D+32.9 | No race |
| Governor | No race | D+32.8 | No race | No race |
Outlined: the race for this seat itselfBlank: no race that year
Source: 99chambers results archive: precinct results allocated to current lines; 2026: civicAPIUpdated Nov 8, 2026, 7:01 PM ET
Who lives here, compared
Grey bars show the spread of all 35 seats. Small marks are other seats in Colorado. The black marker is District 17.
Higher than 68% of seats.
Lower than 74% of seats.
Higher than 50% of seats.
Lower than 88% of seats.
Higher than 68% of seats.
Denser than 56% of seats.
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current linesUpdated Oct 13, 2026, 5:06 AM ET
Seats most like this one
Nearest seats on demographics, density and lean.
District 1460% college gradsD+43.5Not up in 2026District 22
23% Hispanic · 45% college gradsD+34.3Held DDistrict 25
23% Hispanic · 48% college gradsD+23.9Held DDistrict 26
55% college gradsD+32.0Not up in 2026
Source: Census Bureau, American Community Survey 2020–2024 5-year estimates, allocated to current lines; 99chambers: 2024 and 2020 presidential results on current lines, relative to the nation (2024 weighted 3:1)Updated Oct 16, 2026, 5:19 AM ET