Spirit Lake is a city located in Kootenai County Idaho. With a 2020 population of 2,583, it is the 53rd largest city in Idaho and the 6734th largest city in the United States . Spirit Lake is currently growing at a rate of 0.98% annually and its population has increased by 32.80% since the most recent census, which recorded a population of 1,945 in 2010. Spirit Lake reached it's highest population of 2,583 in 2021. Spanning over 3 miles, Spirit Lake has a population density of 1,028 people per square mile.
The average household income in Spirit Lake is $54,070 with a poverty rate of 9.31%. The median rental costs in recent years comes to $854 per month, and the median house value is $172,200. The median age in Spirit Lake is 40.2 years, 40.7 years for males, and 38.5 years for females.