Description: Land boundaries for Orange County cities, and unincorporated areas (based on the five supervisorial districts). Contains additional geodemographic data on population and housing from ESRI. Data enriched with summary attributes from Orange County Unclaimed Properties (OCUP) database, version 2026.2. Last Updated on April 21, 2026.
Copyright Text: Data processed by Dr. Kostas Alexandridis, GISP, Orange County Public Works, OC Survey Geospatial Services