New Hartford is a city in Butler County, Iowa, United States. The population was 570 at the time of the 2020 census.
New Hartford Town Hall
The library in New Hartford after a day of periodic rain
Butler County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 14,334. Its county seat is Allison. The county was organized in 1854 and named for General William O. Butler.
Butler County Courthouse