About This Place
New Hartford is a city in Butler County, Iowa, United States. The population was 659 at the 2000 census. It is the hometown of U.S. Senator Chuck Grassley of Iowa.
New Hartford's longitude and latitude coordinates
in decimal form are 42.567189, -92.621435.
According to the United States Census Bureau, the city has a total area of 0.5 square miles (1.3 km²), all of it land.