Keystone is a populated place in United States. GeoNames lists its administrative area as Iowa.

Its mapped location is latitude 41.99833° and longitude -92.19741° (WGS84). The recorded IANA time zone is America/Chicago. The country record uses the currency code USD. The source record reports a population of 609; this is a recorded figure, not a live population count.

The GeoNames record was last modified on 2017-05-23. Use this page to explore the street map, local time, weather and currency reference tools. Community guides and useful local links can be added separately.