Description: These 21 regions are aggregations of counties developed by the Health Statistics Section in partnership with state and local public health professionals. The regions were developed using statistical and demographic criteria.
Description: Colorado ZCTA Boundaries (US Census 2010 TIGER). ZIP Code Tabulation Areas (ZCTAs) are generalized areal representations of United States Postal Service (USPS) ZIP Code service areas. The USPS ZIP Codes identify the individual post office or metropolitan area delivery station associated with mailing addresses. USPS ZIP Codes are not areal features but a collection of mail delivery routes.