US Places
Home › States › Iowa › Keystone

Keystone, Iowa

Keystone is a city in Benton County, Iowa, with an estimated population of 621 in 2023. It sits at 41.9995, -92.1982 in the America/Chicago time zone.

FieldValue
Place nameKeystone
Typecity
StateIowa (IA)
CountyBenton County
Population (2023 est.)621
Land area0.45 sq mi (1.16 km²)
Coordinates41.9995, -92.1982
Time zoneAmerica/Chicago
ZIP codes52249

ZIP codes and area codes for Keystone

Keystone covers 1 ZIP code: 52249. Browse all ZIP codes in Iowa for the full list.

Where is Keystone?

Keystone is located in Iowa, in Benton County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.

Nearby places

Van Horne 9 km · IABelle Plaine 13 km · IABlairstown 14 km · IAGarrison 17 km · IANewhall 19 km · IADysart 21 km · IAVinton 23 km · IAMarengo 25 km · IA

Other places in Benton County

Vinton 4,951Belle Plaine 2,340Atkins 2,140Urbana 1,627Walford 1,355Shellsburg 989Newhall 888Van Horne 769Blairstown 704Norway 465

Related

All places in Iowa · Search US places · Benton County

Frequently asked questions

What county is Keystone, IA in?

Keystone is in Benton County, Iowa.

What is the population of Keystone, IA?

The 2023 Census Bureau estimate is 621.

What time zone is Keystone in?

Keystone is in the America/Chicago time zone.