Independence is a city in, and the county seat of, Buchanan County, Iowa, United States. The population was 5,966 in the 2010 census, a decline from 6,014 in 2000.
Independence is located at 42°28′13″N 91°53′38″W (42.470191, -91.893898).
According to the United States Census Bureau, the city has a total area of 6.22 square miles (16.11 km2), of which 6.08 square miles (15.75 km2) is land and 0.14 square miles (0.36 km2) is water.
This region generally has significant seasonal temperature differences, with warm to hot (and often humid) summers and cold (sometimes severely cold) winters. Precipitation is relatively well distributed year-round. The Köppen Climate Classification subtype for this climate is "Dfa". (Hot Summer Continental Climate).
At the 2010 census there were 5,966 people in 2,521 households, including 1,566 families, in the city. The population density was 981.3 inhabitants per square mile (378.9/km2). There were 2,745 housing units at an average density of 451.5 per square mile (174.3/km2). The racial makeup of the city was 97.6% White, 0.3% African American, 0.1% Native American, 0.7% Asian, 0.2% from other races, and 1.1% from two or more races. Hispanic or Latino of any race were 1.2%.
Of the 2,521 households 29.0% had children under the age of 18 living with them, 48.7% were married couples living together, 9.9% had a female householder with no husband present, 3.5% had a male householder with no wife present, and 37.9% were non-families. 32.2% of households were one person and 15.4% were one person aged 65 or older.