McMillin is a city located in Washington. McMillin has a 2020 population of 1,551. McMillin is currently declining at a rate of 0.00% annually and its population has increased by 0.26% since the most recent census, which recorded a population of 1,547 in 2010. McMillin reached it's highest population of 1,751 in 2012.
The average household income in McMillin is $118,119 with a poverty rate of 9.16%. The median rental costs in recent years comes to $1,438 per month, and the median house value is $356,300. The median age in McMillin is 50.2 years, 46.8 years for males, and 52 years for females. For every 100 females there are 95.3 males.