Maquoketa is a city in Jackson County in the U.S. state of Iowa. Located on the Maquoketa River, it is the county seat of Jackson County.U.S. Route 61 adjoins the city, which therefore benefits from traffic between Dubuque and the Quad Cities. Iowa Highways 62 and 64 also pass through the city. Maquoketa Caves State Park is located a few miles northwest of Maquoketa. The population in 2019 was 5,990 according to the United States Census Bureau and... Show more

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