electionsmcp › races › Colorado State Senate District 15
Colorado State Senate District 15
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 15 →
Current officeholder
Janice Marchman Democratic
2024 result
being added
Office
State Senate
Precinct results — 2022 general
89 precincts reported in Colorado State Senate District 15's 2022 general election. The twenty largest:
| Precinct | Winner | Margin | Votes |
|---|---|---|---|
| 08069-4155135426 | Republican | R+6.8 | 1,646 |
| 08069-4155135401 | Republican | R+9.8 | 1,585 |
| 08069-4155135436 | Republican | R+10.8 | 1,558 |
| 08069-2154935507 | Republican | R+34.4 | 1,467 |
| 08013-2154907912 | Democratic | D+55.4 | 1,431 |
| 08069-2154935110 | Democratic | D+7.9 | 1,424 |
| 08069-2154935100 | Republican | R+13.8 | 1,411 |
| 08069-4155135405 | Republican | R+20.8 | 1,387 |
| 08069-2154935105 | Republican | R+26.4 | 1,383 |
| 08069-4155135433 | Republican | R+15.0 | 1,357 |
| 08069-2154935102 | Republican | R+1.9 | 1,340 |
| 08069-2154935101 | Republican | R+38.0 | 1,322 |
| 08069-4155135429 | Republican | R+5.9 | 1,316 |
| 08069-2154935111 | Democratic | D+9.9 | 1,305 |
| 08069-2154935514 | Republican | R+20.6 | 1,300 |
| 08069-4155135417 | Republican | R+19.1 | 1,296 |
| 08069-2154935107 | Democratic | D+9.5 | 1,295 |
| 08069-4155135434 | Republican | R+10.6 | 1,282 |
| 08069-4155135424 | Republican | R+11.3 | 1,281 |
| 08069-4155135428 | Republican | R+9.0 | 1,273 |
All 89 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 15 in five steps
- Set the candidates. Name the contenders for the Colorado State Senate District 15 (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 15 in the simulator →
Frequently asked
Who represents Colorado State Senate District 15?
Janice Marchman (Democratic) currently holds this State Senate seat.
What was the 2024 result in Colorado State Senate District 15?
Precinct-level 2024 results for this race are being added.
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.