Hartford is a city in Dodge and Washington Counties in the U.S. state of Wisconsin. As of the 2000 census, the city had a population of 10,978. The city is growing at estimated rate of 10.66% annually, resulting in an estimated population of 13,700 by January 2008. The city was the site of an F1 tornado on June 18, 2006, which caused minor damage to homes in the area, and major damage on the city's south side. Lincoln Elementary School and the Silver Bell Motel both suffered roof and structural damage.