Heron Lake is a city located in Jackson County Minnesota. With a 2020 population of 642, it is the 441st largest city in Minnesota and the 12236th largest city in the United States . Heron Lake is currently declining at a rate of -0.47% annually and its population has decreased by -8.02% 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 517 people per square mile.
The average household income in Heron Lake is $66,792 with a poverty rate of 7.23%. The median rental costs in recent years comes to $625 per month, and the median house value is $73,900. The median age in Heron Lake is 35.5 years, 32.4 years for males, and 41.7 years for females.