Mechanicsville is a city in Cedar County, Iowa, United States.

[4][5] A fire in 1883 destroyed the south side of the business district.

[7] According to the United States Census Bureau, the city has a total area of 0.83 square miles (2.15 km2), all land.

[8] As of the census of 2020,[10] there were 1,020 people, 459 households, and 279 families residing in the city.

There were 488 housing units at an average density of 591.9 per square mile (228.5/km2).

Hispanic or Latino persons of any race comprised 3.0% of the population.

As of the census[11] of 2010, there were 1,146 people, 471 households, and 315 families living in the city.

28.2% of all households were made up of individuals, and 14.3% had someone living alone who was 65 years of age or older.

27.0% of all households were made up of individuals, and 14.8% had someone living alone who was 65 years of age or older.