Crook County leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 83% of adults in Crook County typically vote, above the U.S. average of about 62%. Among adults in Crook County, ~23% vote Democratic, ~60% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Crook County compares
Crook County sits in a sparsely populated area with few comparable counties nearby.
Crook County runs about 59 points more Republican than Oregon as a whole. Oregon leans Democratic overall, while Crook County is one of the few Republican-leaning pockets.
Politics vary noticeably by city within Crook County. The southeast side is the most Republican-leaning (R+56) and the west side is the least Republican-leaning (R+38), a spread of about 18 points.
Why Crook County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Crook County, not a ranked or complete list of what matters most.
Crook County votes against the grain of Oregon. Oregon leans Democratic overall, while Crook County runs about 59 points more Republican. A high family-household share predicts Republican voting, and about 71% of households in Crook County are family households, above 83% of counties.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Crook County, OR sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Crook County looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Crook County 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 65%, above 77% of counties. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Deschutes County, OR D+5
- Jefferson County, OR R+26
- Wheeler County, OR R+51
- Sherman County, OR R+59
- Gilliam County, OR R+48
- Wasco County, OR R+14
- Grant County, OR R+53
- Hood River County, OR D+24
- Klickitat County, WA R+11
- Linn County, OR R+25
Counties with Similar Populations
- Goochland County, VA R+21
- Milam County, TX R+51
- Miller County, MO R+64
- Randolph County, MO R+49
- Cleburne County, AR R+63
- Teller County, CO R+23
- Yates County, NY R+28
- Jackson County, OK R+48
- White County, IN R+43
- Rowan County, KY R+34
Sources and methodology
Precinct-level voting records used to fit the model come from Oregon Secretary of State, Elections Division, 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.