Crawford County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 16,525. Its county seat is Denison. The county was named for William Harris Crawford, U.S. senator from Georgia and United States Secretary of the Treasury.
Crawford County is a county locat.ed in the US. state of Iowa As of the 2020 census, the population was 16,525. Its county seat is Denison. The county was named for William Harris Crawf.ord, U.S. senator from Georgia and United States Secretary of the Treasury.