Fort Lewis is a city located in Washington. Fort Lewis has a 2020 population of 12,933. Fort Lewis is currently declining at a rate of 0.00% annually and its population has increased by 17.08% since the most recent census, which recorded a population of 11,046 in 2010. Fort Lewis reached it's highest population of 14,529 in 2011.
The average household income in Fort Lewis is $50,171 with a poverty rate of 17.88%. The median rental costs in recent years comes to $1,647 per month, and the median house value is -. The median age in Fort Lewis is 22.5 years, 22.6 years for males, and 22.3 years for females. For every 100 females there are 130.0 males.