City in Iowa
Johnston, IA
- Population
- 25,022 (2024)
- Density
- 1,284 / sq mi
- Land area
- 19.5 sq mi
- Water area
- 1.5 sq mi
- Coordinates
- 41.6920, -93.7245
Resident reviews
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ZIP codes
- 50109
- 50111
- 50131