Who was here first? And last (so far)?

Dates of incorporation:

Fort Des Moines   1851  (became Des Moines in 1857)

Carlisle   1870

Polk City   1875

Mitchellville   1875

Altoona   1876

Waukee   1878

Valley Junction   1893  (became West Des Moines in 1938)

Grimes   1894

Bondurant   1897

Norwalk   1900

Ankeny   1903

Granger   1905

Urbandale   1917

Cumming   1925

Windsor Heights   1941

Pleasant Hill   1956

Clive   1956

Johnston   1969