Postville is a village in Allamakee and Clayton counties in the U.S. state of Iowa. It lies near the junction of four counties and at the intersection of U.S. Routes 18 and 52 and Iowa Highway 51, with airport facilities in the neighboring communities of Waukon, Decorah, Monona and Prairie du Chien. The population was 2,503 at the time of the 2020 census, up from 2,273 in 2000. The village is in Allamakee County's southwestern corner and the Clayton County's northwestern corner in a quad county, or four-corner region, where four counties intersect. Winneshiek County is just to the west and Fayette County just to the southwest of Postville. History Postville was platted in 1853. The city was named for Joel Post, a pioneer settler. In 1987, a group of Hasidic Jews started Agriprocessors, a Kosher slaughterhouse, in Postville. After numerous accusations of mistreatment of cattle, pollution, and violations of labor law, the federal government raided the facility in May 2008, resulting in hundreds of arrests of undocumented workers. Agriprocessors filed for bankruptcy on November 5, 2008; SHF Industries bought the plant at auction in July 2009 and it has resumed production under the new name Agri Star. Geography Postville's longitude and latitude coordinates in decimal form are 43.085102, -91.569515. According to the United States Census Bureau, the city has an area of , all land. Climate Demographics 2020 census As of the census of 2020, the population was 2,503. The population density was . There were 859 housing units at an average density of . The racial makeup of the city was 52.7% White, 8.7% Black or African American, 2.8% Native American, 0.6% Asian, 26.8% from other races, and 8.3% from two or more races. Ethnically, the population was 43.0% Hispanic or Latino of any race. 2010 census As of the census of 2010, there were 2,227 people, 744 households, and 497 families residing in the city. The population density was . There were 902 housing units at an average density of . The racial makeup of the city was 77.0% White, 4.4% African American, 0.6% Native American, 1.0% Asian, 0.7% Pacific Islander, 14.3% from other races, and 2.0% from two or more races. Hispanic or Latino of any race were 32.0% of the population. There were 744 households, of which 40.3% had children under the age of 18 living with them, 47.7% were married couples living together, 14.2%