Johnson County

United States (US) · ADM2 · pop 12,582

Johnson County is an administrative area in United States, IL. Coordinates: 37.4596, -88.8809. Timezone: America/Chicago. Elevation: 155 m. Population (last census): 12,582.

This place is indexed in the SENTINEL Places database, which contains over 850,000 populated places and administrative areas worldwide, sourced from the GeoNames public dataset under CC-BY 4.0. SENTINEL is a unified open-web intelligence platform by Oblivion Technologies LLC — discover websites, ask questions, automate workflows, and explore the world.