Mercer County Health Department serves residents of Mercer County, Missouri, from its office in Princeton. Its work spans community health, preventive care, environmental health, and support for families. The department provides home health and physical therapy through a partnership with Serve Link Home Care, and routinely holds blood pressure and blood sugar screenings and wellness clinics at locations around the county. It offers children’s immunizations to county residents by appointment, with state or private vaccines available, and provides physician-ordered laboratory blood draws, including payment options for uninsured private-pay clients.

Families can access WIC nutrition support for pregnant and breastfeeding mothers, infants, and children under five. The department also issues birth and death certificates and inspects food service establishments, retail food stores, manufacturers, and distributors for compliance with public health requirements. Additional offerings include food inspection and other health services. Mercer County Health Department shares community assessments, communicable disease updates, health announcements, and information about programs and events, including flu clinics and breast cancer awareness activities.