Hartford is a city in Minnehaha County, South Dakota, United States. A suburb of Sioux Falls, Hartford lies a few miles northwest of the city. The population was estimated to be 2,926 in July 2013, up from 2,534 at the 2010 census. Hartford has been assigned the ZIP code 57033.
As of the census of 2010, there were 2,534 people, 913 households, and 684 families residing in the city. The population density was 1,116.3 inhabitants per square mile. There were 939 housing units at an average density of 413.7 per square mile. Median income for a household in the city was $48,333, and the median income for a family was $53,942. Males had a median income of $34,792 versus $25,032 for females. The per capita income for the city was $20,726.