Arcata is a city located in California. With a 2020 population of 18,801, it is the 309th largest city in California and the 1951st largest city in the United States. Arcata is currently growing at a rate of 0.99% annually and its population has increased by 9.11% since the most recent census, which recorded a population of 17,231 in 2010. Arcata reached it's highest population of 18,801 in 2021. Spanning over 11 miles, Arcata has a population density of 2,007 people per square mile.
The average household income in Arcata is $55,405 with a poverty rate of 38.05%. The median rental costs in recent years comes to $1,023 per month, and the median house value is $341,000. The median age in Arcata is 26.4 years, 27.3 years for males, and 25.3 years for females. For every 100 females there are 101.3 males.