Union is a city located in Washington. Union has a 2020 population of 412. Union is currently declining at a rate of 0.00% annually and its population has decreased by -34.71% since the most recent census, which recorded a population of 631 in 2010. Union reached it's highest population of 631 in 2010.
The average household income in Union is $111,762 with a poverty rate of 9.95%. The median rental costs in recent years comes to - per month, and the median house value is $250,000. The median age in Union is 66.1 years, 66.1 years for males, and 66.1 years for females. For every 100 females there are 101.0 males.