Hartford is a city in Washington and Dodge counties in the U.S. state of Wisconsin. As of the 2010 census, the city had a population of 14,223. All of this population resided in the Washington County portion of the city. The portion of the city in Dodge County consists of only industrial/commercial parcels. Located approximately 38 miles northwest of Downtown Milwaukee and 22 miles from city limits, Hartford is located on the outer edge of the Milwaukee metropolitan area.