Dawson is a city in Dallas County, Iowa, United States.

According to the United States Census Bureau, the city has a total area of 0.48 square miles (1.24 km2), all land.

There were 54 housing units at an average density of 109.1 per square mile (42.1/km2).

There were 63 housing units at an average density of 131.3 per square mile (50.7/km2).

32.7% of all households were made up of individuals, and 9.6% had someone living alone who was 65 years of age or older.

There were 67 housing units at an average density of 140.1 per square mile (54.1/km2).

16.7% of all households were made up of individuals, and 6.7% had someone living alone who was 65 years of age or older.

Colton Morman, who was 18 at the time, won the 2009 election for mayor of Dawson with 29 votes or 53.7 percent.

[9] Breanna Morman, who was 22 at the time, won the 2011 election for Mayor of Dawson.