Truesdale is a city in Buena Vista County, Iowa, United States.

[5] According to the United States Census Bureau, the city has a total area of 0.14 square miles (0.36 km2), all land.

There were 41 housing units at an average density of 281.0 per square mile (108.5/km2).

There were 40 housing units at an average density of 285.7 per square mile (110.3/km2).

29.7% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older.

There were 47 housing units at an average density of 335.4 per square mile (129.5/km2).

30.8% of all households were made up of individuals, and 5.1% had someone living alone who was 65 years of age or older.

There were no families and 4.0% of the population living below the poverty line, including no under eighteens and 15.4% of those over 64.