Lester is a city in Lyon County, Iowa, United States.

[4] According to the United States Census Bureau, the city has a total area of 1.82 square miles (4.71 km2), all land.

There were 116 housing units at an average density of 63.6 per square mile (24.5/km2).

There were 115 housing units at an average density of 63.2 per square mile (24.4/km2).

24.8% of all households were made up of individuals, and 11.9% had someone living alone who was 65 years of age or older.

There were 110 housing units at an average density of 60.6 per square mile (23.4/km2).

29.1% of all households were made up of individuals, and 17.5% had someone living alone who was 65 years of age or older.

About 3.1% of families and 4.3% of the population were below the poverty line, including none of those under the age of eighteen or sixty five or over.