After dredging, the lakes now have a surface area of 2,700 acres (11 km2), and they serve as a reservoir to store water for use in the Front Range.

Both east and west lakes are recreation areas for boating and fishing.

[4] At the United States Census 2020, the population of the Twin Lakes CDP was 204.

As originally defined, Lake County included a large portion of western Colorado to the south and west of its present boundaries.

The Twin Lakes District has been listed on the National Register of Historic Places since 1974.