Crime · Colorado
Crime in Colorado
Crime (FBI UCR) data for ZIP codes in Colorado. Pick a ZIP below to dive into the crime summary.
Last verified 2026-05-13 · methodology
What lands here
Pages show per-100k rates (never raw counts) for major offense categories, the reporting agency, and whether reporting was complete for the year.
Source & refresh
FBI UCR. Refreshed weekly rolling uploads. Primary source →
Colorado top concern
Radon Zone 1, wildfire on the Front Range
Colorado is one of the most uniformly Zone 1 radon states in the US. WUI wildfire risk concentrates along the Front Range from Boulder to Colorado Springs. Drinking water sourcing splits between Front Range water districts and Western Slope reclamation projects, each with distinct EPA SDWIS compliance histories.
See Colorado state page for the full state-level rollup across all 12 dimensions.
Read more on crime
Editorial deep-dives explaining the source data, its limits, and how to read it.
FBI UCR and NIBRS — what crime statistics actually show (and don't)
The FBI's Uniform Crime Reporting (UCR) program and its successor NIBRS aggregate crime data from local agencies. Plain-English guide to what gets reported, what doesn't, and how to read the numbers.
Reading FBI UCR national crime trends — what 2020–2025 actually shows
Plain-English guide to recent US crime data: the 2020 spike, the 2021–2024 normalization, and how the UCR-to-NIBRS transition complicates year-over-year reads.
Data staleness — when to re-check zipradar before making a decision
Federal data refreshes on different cadences. Here's when zipradar's snapshot is fresh enough for your decision and when you need to verify with the primary source.