Earlham[a] is a city in Madison County, Iowa, United States.

David Hockett brought his wife, Mary Jane, and three children to the Earlham area by ox team and wagon in 1865.

By deeding a land string to the Chicago, Rock Island and Pacific Railroad and selling a third of his acres for town development in 1969,[1] Hockett was instrumental in the founding of Earlham, when it was incorporated on April 26, 1870.

[7] According to the United States Census Bureau, the city has a total area of 0.97 square miles (2.51 km2), all of it land.

There were 572 housing units at an average density of 605.6 per square mile (233.8/km2).

There were 571 housing units at an average density of 588.7 per square mile (227.3/km2).

24.8% of all households were made up of individuals, and 10.5% had someone living alone who was 65 years of age or older.

There were 520 housing units at an average density of 535.6 per square mile (206.8/km2).

24.8% of all households were made up of individuals, and 13.8% had someone living alone who was 65 years of age or older.