Castle Pines North leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About more than 99% of adults in Castle Pines North typically vote, above the U.S. average of about 62%. Among adults in Castle Pines North, ~47% vote Democratic, ~55% Republican, and ~-2% don't vote. The map below shows estimated turnout by block group.
How Castle Pines North compares
Among cities within 25 miles, Castle Pines North leans more Republican than 35 of 51 neighbors.
Castle Pines North runs about 19 points more Republican than Colorado as a whole. Colorado leans Democratic overall, while Castle Pines North is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Castle Pines North. The northwest side is the most split-leaning (R+14) and the east side is the least split-leaning (Even), a spread of about 14 points.
Why Castle Pines North leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Castle Pines North, not a ranked or complete list of what matters most.
Castle Pines North votes Republican even though it is densely developed (about 76%, far above the Colorado average of 35%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 86% of households in Castle Pines North are family households, above 97% of cities. Castle Pines North runs against the grain of Colorado, a Republican-leaning pocket in a Democratic-leaning state.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; Castle Pines North, CO sits in the top tenth nationally on this measure.
Why turnout in Castle Pines North looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Castle Pines North is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 78%, about 18 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and more than 99% of adults in Castle Pines North have completed high school, in the top fraction of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Lone Tree, CO D+5
- Meridian, CO D+19
- Louviers, CO R+18
- Highlands Ranch, CO D+4
- Stonegate, CO R+4
- Castle Rock, CO R+15
- Parker, CO R+10
- The Pinery, CO R+23
- Centennial, CO D+16
- Sedalia, CO R+23
Cities with Similar Populations
- Clinton, NY D+5
- Playa Del Rey, CA D+44
- High Springs, FL R+39
- Newport Coast, CA R+10
- Milton-Freewater, OR R+32
- Ishpeming, MI R+12
- Fife, WA D+14
- Hampshire, IL R+19
- Batesville, IN R+51
- Carver, MA R+15
Sources and methodology
Precinct-level voting records used to fit the model come from Colorado Secretary of State, Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.