City in Iowa
Keystone, IA
- Population
- 616 (2024)
- Density
- 1,375 / sq mi
- Land area
- 0.4 sq mi
- Coordinates
- 41.9995, -92.1982
Resident reviews
Be the first to review →No reviews yet. Live in Keystone, or used to? Tell people what it is really like.
ZIP codes
Select a ZIP code for neighborhood-level income, rent and home values.