Elk Plain is a city located in Washington. Elk Plain has a 2020 population of 14,065. Elk Plain is currently declining at a rate of 0.00% annually and its population has decreased by -0.99% since the most recent census, which recorded a population of 14,205 in 2010. Elk Plain reached it's highest population of 14,645 in 2012.
The average household income in Elk Plain is $80,464 with a poverty rate of 14.25%. The median rental costs in recent years comes to $1,405 per month, and the median house value is $213,300. The median age in Elk Plain is 38.2 years, 39.4 years for males, and 36.9 years for females. For every 100 females there are 95.4 males.