Facility record / Colorado
Boulder County Jail
Boulder County Jail is a county or city jail in Boulder, Boulder County, Colorado. It has a rated capacity of 536 and a reported population of 767 — about 143% occupancy, as recorded in the February 2026 federal dataset. By capacity it is the 7th-largest of the 27 county or city jail records listed for Colorado with a published capacity. It is one of 2 correctional facilities in Boulder County.
Jail411 does not hold custody records. A listing here does not mean anyone is held at this address. Confirm the person’s location with the responsible agency before you travel, send money, or pay for a service.
Where this record came from. The contact, status and security fields, with capacity and population, come from the HIFLD and Federal Bureau of Prisons directory release refreshed February 2026. They describe the record, not today’s population. Check the facility’s current official website.
Contact this facility
- Phone
- (303) 441-4650
- Address
- 3200 Airport Road
Boulder, CO 80301Open in maps - Official page
- Official page at bouldercounty.org
- County
- Boulder County
Facility details
Capacity
767 people in a facility designed for 536
As of the February 2026 federal dataset.
Listed as open in the February 2026 directory release.
Finding someone held here
Use the county system for a recent arrest. A state corrections search covers people in state custody. It generally will not list someone booked into a county jail this week. Bookings, bail, release, and visiting are all handled by Boulder County Sheriff’s Office.
Official site for this facility →
Call this facility directly: (303) 441-4650
Before you travel, pay, or mail anything
Get two things first: which facility the person is actually in, and their booking or ID number. Almost nothing works without them. Then check this facility’s current instructions — rules and service providers change.
Other facilities in Boulder County
| Facility | City | Type | Security |
|---|---|---|---|
| Boulder County Juvenile Center | Boulder | Juvenile facility | Juvenile |