One of 93 counties in Nebraska, United States. County seat: Pierce.
One of 53 counties in North Dakota, United States. County seat: Rugby. Named after Gilbert A. Pierce.
One of 72 counties in Wisconsin, United States. County seat: Ellsworth.
One of 159 counties in Georgia, United States. County seat: Blackshear.
One of 39 counties in Washington, United States. County seat: Tacoma.