electionsmcp › races › Colorado State Senate District 21
Colorado State Senate District 21
The current officeholder, the 2024 result, and a precinct-level model you can run yourself — built from how Colorado actually voted.
Model Colorado State Senate District 21 →
Current officeholder
Dafna Michaelson Jenet Democratic
2024 result
Democratic D+2.2
2024 votes cast
65,420
Office
State Senate
Precinct results — 2024 general
87 precincts reported in Colorado State Senate District 21's 2024 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 08005-4215603363 | Republican | R+62.5 | 1,551 |
| 08001-4215601246 | Republican | R+31.6 | 1,493 |
| 08001-8213201209 | Democratic | D+14.1 | 1,322 |
| 08001-8213201216 | Democratic | D+4.7 | 1,286 |
| 08001-8213501013 | Democratic | D+26.3 | 1,254 |
| 08005-4215603364 | Republican | R+63.2 | 1,224 |
| 08001-4215601251 | Republican | R+55.2 | 1,223 |
| 08001-8213201212 | Democratic | D+1.2 | 1,154 |
| 08001-8213201117 | Democratic | D+18.2 | 1,149 |
| 08001-8213201210 | Republican | R+1.4 | 1,091 |
| 08001-8213501005 | Democratic | D+29.2 | 1,087 |
| 08001-8213201141 | Democratic | D+7.9 | 1,062 |
| 08001-8213201206 | Republican | R+9.7 | 1,057 |
| 08001-8213201205 | Republican | R+9.3 | 1,054 |
| 08001-8213501257 | Democratic | D+44.0 | 1,040 |
| 08001-8213501007 | Democratic | D+14.9 | 1,006 |
| 08001-8213501021 | Democratic | D+23.9 | 999 |
| 08001-4215601244 | Republican | R+58.8 | 995 |
| 08001-8213201126 | Democratic | D+21.0 | 987 |
| 08001-8213501024 | Democratic | D+20.6 | 975 |
All 87 precincts are modelable — open the race in the simulator and drill to precinct grain.
Find your district
Enter a ZIP code or a district (e.g. NC-4) to find your U.S. House district and who represents it.
Model Colorado State Senate District 21 in five steps
- Set the candidates. Name the contenders for the Colorado State Senate District 21 (or keep the generic Democrat / Republican defaults). The map starts from real 2024 results in every precinct.
- Apply a swing. Move vote share statewide, or by demographic cohort, with a slider. The map and the running tally recompute instantly.
- Model turnout. Mobilize or depress turnout for any group — turnout and persuasion are modeled separately, the way a real campaign thinks about them.
- Drill to precincts. Zoom from the state down to individual precincts and override any of them by hand.
- Roll up & share. Roll the result up to chamber control, then publish a shareable, frozen link to your scenario.
Open Colorado State Senate District 21 in the simulator →
Frequently asked
Who represents Colorado State Senate District 21?
Dafna Michaelson Jenet (Democratic) currently holds this State Senate seat.
What was the 2024 result in Colorado State Senate District 21?
D+2.2 — 33,438 Democratic, 31,982 Republican, of 65,420 votes cast.
Can I model this race myself?
Yes — open it in the electionsmcp simulator and model vote-share swing and turnout from the real 2024 baseline, down to the precinct, then roll it up to chamber control.