Heron Lake is a city located in Minnesota. With a 2020 population of 650, it is the 439th largest city in Minnesota and the 12210th largest city in the United States. Heron Lake is currently declining at a rate of -0.15% annually and its population has decreased by -6.88% since the most recent census, which recorded a population of 698 in 2010. Heron Lake reached it's highest population of 697 in 2010. Spanning over 1 miles, Heron Lake has a population density of 523 people per square mile.
The average household income in Heron Lake is $62,925 with a poverty rate of 9.76%. The median rental costs in recent years comes to $683 per month, and the median house value is $73,800. The median age in Heron Lake is 35.2 years, 32.6 years for males, and 43.4 years for females. For every 100 females there are 99.2 males.