Blue Earth is a city located in Minnesota. With a 2020 population of 3,085, it is the 204th largest city in Minnesota and the 6154th largest city in the United States. Blue Earth is currently declining at a rate of -0.77% annually and its population has decreased by -7.99% since the most recent census, which recorded a population of 3,353 in 2010. Blue Earth reached it's highest population of 4,200 in 1960. Spanning over 3 miles, Blue Earth has a population density of 972 people per square mile.
The average household income in Blue Earth is $58,531 with a poverty rate of 12.34%. The median rental costs in recent years comes to $495 per month, and the median house value is $84,300. The median age in Blue Earth is 51.3 years, 46.4 years for males, and 55.3 years for females. For every 100 females there are 99.6 males.