Pasco is a city located in Franklin County Washington. It is also the county seat of Franklin County. With a 2020 population of 77,326, it is the 17th largest city in Washington and the 461st largest city in the United States . Pasco is currently growing at a rate of 1.24% annually and its population has increased by 29.35% since the most recent census, which recorded a population of 59,781 in 2010. Pasco reached it's highest population of 77,326 in 2021. Spanning over 37 miles, Pasco has a population density of 2,280 people per square mile.
The average household income in Pasco is $77,031 with a poverty rate of 15.51%. The median rental costs in recent years comes to $922 per month, and the median house value is $199,400. The median age in Pasco is 29.5 years, 29.4 years for males, and 29.6 years for females.