Measuring Subcounty Differences in Population Health Using Hospital and Census-Derived Data Sets: The Missouri ZIP Health Rankings Project.

Context: Measures of population health at the subcounty level are needed to identify areas for focused interventions and to support local health improvement activities.

Objective: To extend the County Health Rankings population health measurement model to the ZIP code level using widely available hospital and census-derived data sources.

Design: Retrospective administrative data study.