Liberty Lake is a city located in Washington. With a 2020 population of 12,138, it is the 78th largest city in Washington and the 2697th largest city in the United States. Liberty Lake is currently growing at a rate of 6.79% annually and its population has increased by 59.90% since the most recent census, which recorded a population of 7,591 in 2010. Spanning over 6 miles, Liberty Lake has a population density of 1,973 people per square mile.
The average household income in Liberty Lake is $97,835 with a poverty rate of 6.29%. The median rental costs in recent years comes to $1,016 per month, and the median house value is $272,700. The median age in Liberty Lake is 36.6 years, 35.3 years for males, and 37.1 years for females. For every 100 females there are 87.9 males.