Oroville is a city located in Washington. With a 2020 population of 1,663, it is the 177th largest city in Washington and the 8325th largest city in the United States. Oroville is currently declining at a rate of -0.36% annually and its population has decreased by -1.36% since the most recent census, which recorded a population of 1,686 in 2010. Oroville reached it's highest population of 1,712 in 2010. Spanning over 2 miles, Oroville has a population density of 984 people per square mile.
The average household income in Oroville is $40,793 with a poverty rate of 32.55%. The median rental costs in recent years comes to $663 per month, and the median house value is $129,100. The median age in Oroville is 37.6 years, 32.4 years for males, and 41.4 years for females. For every 100 females there are 107.8 males.