Granger is a city in Dallas and Polk counties in the U.S. state of Iowa. The population was 1,654 at the time of the 2020 census, up 184% from 583 in 2000. It is part of the Des Moines–West Des Moines

Dallas County is a county located in the U.S. state of Iowa. As of the 2020 census, its population was 99,678, and was estimated to be 118,457 in 2025. making it the sixth-most populous county in Iowa