Eagle Lake is in Blue Earth County, Minnesota, United States.

[4] It is part of the Mankato-North Mankato Metropolitan Statistical Area.

A post office was established in the area in 1870 and the village created was named Spier.

[9] According to the United States Census Bureau, the city has an area of 1.61 square miles (4.17 km2), all land.

There were 931 housing units at an average density of 578.3 per square mile (223.3/km2).

Every third weekend of July, Eagle Lake celebrates Tator Days.

Events usually include a Miss Eagle Lake queen coronation on Thursday, a grand parade Saturday afternoon and a fundraising breakfast Sunday morning.

The American Legion gives free french fries to those sporting Tator Days raffle buttons.