Ilwaco is a city located in Washington. With a 2020 population of 1,031, it is the 202nd largest city in Washington and the 10176th largest city in the United States. Ilwaco is currently growing at a rate of 1.98% annually and its population has increased by 10.15% since the most recent census, which recorded a population of 936 in 2010. Ilwaco reached it's highest population of 1,031 in 2021. Spanning over 6 miles, Ilwaco has a population density of 499 people per square mile.
The average household income in Ilwaco is $62,595 with a poverty rate of 19.22%. The median rental costs in recent years comes to $793 per month, and the median house value is $216,700. The median age in Ilwaco is 39.4 years, 35.2 years for males, and 50.1 years for females. For every 100 females there are 99.6 males.