What was the population of the county containing Arrow Creek community as of the 2010 census?
Arrow Creek, Montana Arrow Creek is an unincorporated community in Judith Basin County, in the U.S. state of Montana.
San Luis Obispo County, California San Luis Obispo County, officially the County of San Luis Obispo, is a county located in the U.S. state of California. As of the 2010 census, the population was 269,637. The county seat is San Luis Obispo.