Hawkeye is a city in Fayette County, Iowa, United States. The population was 449 at the 2010 census.GeographyHawkeye is located at .According to the United States Census Bureau, the city has a total area of 0.67sqmi, all of it land.Demographics2010 censusAs of the census of 2010, there were 449 people, 201 households, and 123 families residing in the city. The population density was 670.1PD/sqmi. There were 227 housing units at an average density of 338.8/sqmi. The racial makeup of the city was 99.1% White, 0.7% African American, and 0.2% Native American. Hispanic or Latino of any race were 0.2% of the population.There were 201 households of which 25.4% had children under the age of 18 living with them, 47.3% were married couples living together, 10.0% had a female householder with no husband present, 4.0% had a male householder with no wife present, and 38.8% were non-families. 36.3% of all households were made up of individuals and 19.9% had someone living alone who was 65 years of age or older. The average household size was 2.23 and the average family size was 2.89.The median age in the city was 43.8 years. 20.7% of residents were under the age of 18; 10.1% were between the ages of 18 and 24; 20.9% were from 25 to 44; 27.6% were from 45 to 64; and 20.7% were 65 years of age or older. The gender makeup of the city was 50.6% male and 49.4% female.