Grant is a city in Montgomery County, Iowa, United States. The population was 92 at the 2010 census.HistoryGrant is named for Ulysses S. Grant, 18th President of the United States. Its commercial district, which was developed from 1871 to 1952, was listed on the National Register of Historic Places in 2002.GeographyGrant is located at .According to the United States Census Bureau, the city has a total area of 0.75sqmi, of which, 0.74sqmi is land and 0.01sqmi is water.Demographics2010 censusAs of the census of 2010, there were 92 people, 41 households, and 27 families residing in the city. The population density was 124.3PD/sqmi. There were 54 housing units at an average density of 73.0/sqmi. The racial makeup of the city was 100.0% White.There were 41 households of which 17.1% had children under the age of 18 living with them, 58.5% were married couples living together, 7.3% had a female householder with no husband present, and 34.1% were non-families. 19.5% of all households were made up of individuals and 7.3% had someone living alone who was 65 years of age or older. The average household size was 2.24 and the average family size was 2.59.