Colorado State Senate District 12
Competitive — shifted 7.9pp toward Democrats in 2024 — 169K residents
Colorado State Senate District 12 is a state senate district that has a population of 168,536. In the 2024 presidential election, it voted Democratic with a margin of D+4.0. Akashic Edge tracks 5 presidential elections here, dating back to 2008.
| Year | Dem % | Rep % | Margin | Swing |
|---|---|---|---|---|
| 2024 | 50.6% | 46.6% | D+4.0 | D+7.9 |
| 2020* | 46.3% | 50.1% | R+3.8 | D+3.1 |
| 2016* | 41.6% | 48.5% | R+6.9 | R+4.7 |
| 2012* | 48.9% | 51.1% | R+2.2 | R+0.7 |
| 2008* | 48.3% | 49.9% | R+1.6 | — |
* Pre-2022 results projected onto current district boundaries. Actual boundaries at the time of the election may have differed.
What defines CO-SD-12?
CO-SD-12 flipped to Democrats in 2024 after voting the other way in 2020. It has a working-class electorate (0% college-educated) — a demographic increasingly aligned with Republicans nationwide.
Similar state senate districts
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Key Insights
- The 2008 election was decided by just 1.6 points — razor-thin
- Won by both parties in recent history — Democrats most recently in 2024, Republicans in 2020
- Turnout decreased by 68.5 percentage points since the previous presidential election
Who Lives Here
| Group | CO-SD-12 | State | National |
|---|---|---|---|
White (Non-Hispanic) | 66.0% | 64.8% | 57.4% |
Hispanic / Latino | 17.2% | 22.5% | 19.3% |
Black / African American | 6.6% | 4.0% | 12.2% |
Multiracial / Other | 6.1% | 4.1% | 4.0% |
Asian | 2.5% | 3.3% | 6.0% |
Native American / Alaska Native | 1.0% | 1.1% | 0.9% |
Native Hawaiian / Pacific Islander | 0.7% | 0.2% | 0.2% |
Who lives in Colorado State Senate District 12? 168,536 residents as of the 2020 Census.
Demographics
Scale, voting-age share, and this geography's footprint inside the national electorate.
Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.
Age structure, language use, and nativity signals that explain how this geography differs from state and nation.
Turnout in CO-SD-12
How competitive is CO-SD-12?
Other Colorado State Senate Districts
34 total| Name | Margin ↓ |
|---|---|
| CO-SD-18 | D+68.0 |
| CO-SD-31 | D+64.3 |
| CO-SD-33 | D+61.5 |
| CO-SD-34 | D+57.7 |
| CO-SD-32 | D+47.6 |
| CO-SD-14 | D+42.7 |
| CO-SD-17 | D+39.6 |
| CO-SD-22 | D+32.9 |
| CO-SD-26 | D+30.0 |
| CO-SD-29 | D+27.0 |
| CO-SD-28 | D+25.6 |
| CO-SD-25 | D+23.1 |
| CO-SD-19 | D+19.1 |
| CO-SD-20 | D+17.3 |
| CO-SD-16 | D+12.8 |
| CO-SD-27 | D+11.9 |
| CO-SD-08 | D+10.2 |
| CO-SD-15 | D+7.7 |
| CO-SD-24 | D+6.8 |
| CO-SD-11 | D+4.3 |
| CO-SD-21 | D+3.7 |
| CO-SD-30 | D+2.5 |
| CO-SD-06 | D+0.6 |
| CO-SD-05 | R+0.7 |
| CO-SD-03 | R+5.1 |