Colorado Data

Interactive explorations of open Colorado datasets from data.colorado.gov. Pick a tool below.

Denver Traffic Accidents

Every reported traffic accident in Denver for any day, plotted on an interactive map. Red markers are fatal crashes.

Denver Police Department — cpwf-cznk

Open tool
Cannabis Economy

Colorado's legal marijuana market since Dec 2014: monthly sales by county, the rise of retail over medical, and an animated race up the county leaderboard.

Colorado Dept. of Revenue — j7a3-jgd3

Open tool
Crime in Colorado

Every NIBRS incident reported by Colorado law enforcement, 2016–2024 — trends by agency and offense, plus weekday, seasonal, and hour-of-day patterns.

Colorado Bureau of Investigation — j6g4-gayk

Open tool
Bike & Ped Counts

Where Coloradans work out: every bicycle and pedestrian CDOT counted, 2009–2015, sized by volume on a statewide map.

CDOT — q2qp-xhnj

Open tool