Tri-County Health Department is the health department for Adams and Arapahoe counties serving over 1.2 million people and provides public health services to Douglas County serving over 357,000 people. Our home office is in Greenwood Village, Colorado and we have ten other offices within the 3,000 square mile area of the three counties we serve. 

We offer over 60 programs and services ranging from birth certificates, immunizations, and health care referrals to restaurant inspections and infectious disease investigations. The agency's jurisdiction includes 26 municipalities and three unincorporated counties, 15 school districts with more than 360 public schools, 12 acute care hospitals, three Federally Qualified Healthcare Centers with multiple facilities, three community mental health service providers, and one Regional Collaborative Care Organization (Colorado Access).