Dayton is a city located in Washington. With a 2020 population of 2,370, it is the 156th largest city in Washington and the 7005th largest city in the United States. Dayton is currently declining at a rate of -1.50% annually and its population has decreased by -6.18% since the most recent census, which recorded a population of 2,526 in 2010. Dayton reached it's highest population of 3,026 in 1940. Spanning over 1 miles, Dayton has a population density of 1,638 people per square mile.
The average household income in Dayton is $75,827 with a poverty rate of 11.69%. The median rental costs in recent years comes to $778 per month, and the median house value is $162,200. The median age in Dayton is 52.2 years, 46.6 years for males, and 54.9 years for females. For every 100 females there are 96.6 males.