Downtown Bartley, Nebraska: west side of Commercial Street, looking southwest from about Walnut Street. – Ammodramus, Public domain – Wikimedia Commons Bartley is located in Red Willow County. About 270 people live here (as of 2020). Between 2010 and 2020, the population declined from 283 to 270. The region is at 715 meters above sea level. The area covers about 2.4 square kilometers. There are about 25 streets in Bartley. The postal codes are 69020. Bartley is village in Red Willow County, Nebraska, United States.