Lynden is a city located in Washington. With a 2020 population of 16,219, it is the 64th largest city in Washington and the 2201st largest city in the United States. Lynden is currently growing at a rate of 3.17% annually and its population has increased by 35.71% since the most recent census, which recorded a population of 11,951 in 2010. Lynden reached it's highest population of 16,219 in 2021. Spanning over 5 miles, Lynden has a population density of 2,992 people per square mile.
The average household income in Lynden is $79,069 with a poverty rate of 7.67%. The median rental costs in recent years comes to $1,209 per month, and the median house value is $348,100. The median age in Lynden is 39.2 years, 38.8 years for males, and 39.5 years for females. For every 100 females there are 92.7 males.