Pasco is located in Franklin County. About 77,108 people live here (as of 2020). Between 2010 and 2020, the population grew from 59,781 to 77,108. The region is at 118 meters above sea level. The area covers about 92.8 square kilometers. There are about 2.831 streets in Pasco. The region was founded in 1891. The postal codes are 99301–99302. The dialing code is 509. Pasco is city in and the county seat of Franklin County, Washington, United States. Among other things, Pasco has public Transport, hotels, restaurants, cafés, supermarkets, clothing Stores, schools, banks, hairdressers, dentists, doctors and pharmacies. More information at
www.pasco-wa.gov.