Home » Lewis and Clark / CascadeFeatured County Lewis and Clark / CascadePopulation: 519 (2021)Elevation: 3,511′Average Income: $53,295 (2021)BeltPopulation: 836 (2020)Elevation: 3,379′Average Income: $51,406 (2021)Black EaglePopulation: 601 (2021)Elevation: 3,389'Average Income: $38,958 (2021)CascadePopulation: 60,403 (2021)Elevation: 3,330'Average Income: $53,126 (2021)Great FallsPopulation: 33,120 (2021)Elevation: 4,045′Average Income: $84,410 (2021)HelenaPopulation: 1,017 (2020)Elevation: 4,541'Average Income: $38,500 (2021)LincolnPopulation: 1,617 (2020)Elevation: 3,340′Average Income: $46,635 (2021)Sun PrairiePopulation: 750 (2020)Elevation: 3,350′Average Income: $92,841 (2021)UlmPopulation: 877 (2020)Elevation: 3,366′Average Income: $40,000 (2021)VaughnLewis & Clark CountyCascade County