Johnson County Map, Iowa

Detailed road and geographic map of Johnson County.

County Information

  • State: Iowa
  • FIPS Code: 19103
  • Population: 152,854
  • Area (sq mi): 614.0
  • Density: 248.9/sq mi
  • Growth Trend: +1.2%
  • Households: 65,916
  • Election Data: Republican
  • Climate Zone: Mixed/Moderate

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Overview

Johnson County is located in the U.S. state of Iowa. It has a land area of approximately 614.0 square miles.