Johnson County

United States (US) · ADM2 · pop 152,854

Johnson County is an administrative area in United States, IA. Coordinates: 41.6716, -91.5881. Timezone: America/Chicago. Elevation: 211 m. Population (last census): 152,854.

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.