Oroville is a city located in Washington. With a 2020 population of 1,689, it is the 174th largest city in Washington and the 8266th largest city in the United States. Oroville is currently growing at a rate of 0.24% annually and its population has increased by 0.18% since the most recent census, which recorded a population of 1,686 in 2010. Oroville reached it's highest population of 1,709 in 2010. Spanning over 2 miles, Oroville has a population density of 1,000 people per square mile.
The average household income in Oroville is $44,189 with a poverty rate of 32.93%. The median rental costs in recent years comes to $679 per month, and the median house value is $126,300. The median age in Oroville is 39.1 years, 33.6 years for males, and 41.6 years for females. For every 100 females there are 102.9 males.