Harper is a city in Keokuk County, Iowa, United States. The population was 114 at the 2010 census.
Harper's longitude and latitude coordinates
in decimal form are 41.3625116, -92.0510106.
According to the United States Census Bureau, the city has a total area of 0.09 square miles (0.23 km2), all of it land.
As of the census of 2010, there were 114 people, 49 households, and 28 families living in the city. The population density was 1,266.7 inhabitants per square mile (489.1/km2). There were 56 housing units at an average density of 622.2 per square mile (240.2/km2). The racial makeup of the city was 94.7% White, 0.9% Native American, 1.8% from other races, and 2.6% from two or more races. Hispanic or Latino of any race were 5.3% of the population.
There were 49 households, of which 26.5% had children under the age of 18 living with them, 44.9% were married couples living together, 6.1% had a female householder with no husband present, 6.1% had a male householder with no wife present, and 42.9% were non-families. 36.7% of all households were made up of individuals, and 18.4% had someone living alone who was 65 years of age or older. The average household size was 2.33 and the average family size was 3.07.