Lynden is a city located in Washington. With a 2020 population of 15,650, it is the 66th largest city in Washington and the 2248th largest city in the United States. Lynden is currently growing at a rate of 3.01% annually and its population has increased by 30.95% since the most recent census, which recorded a population of 11,951 in 2010. Spanning over 5 miles, Lynden has a population density of 2,888 people per square mile.
The average household income in Lynden is $77,425 with a poverty rate of 5.99%. The median rental costs in recent years comes to $1,224 per month, and the median house value is $327,000. The median age in Lynden is 39.3 years, 38.3 years for males, and 40 years for females. For every 100 females there are 91.8 males.