There are 26 US Post Offices in Kent County serving a total of 517,907 residents equating to 19,920 residents per post office. It's estimated that approximately 826,637 packages are handled across the 26 county post offices annually. Kent County is a county located in the U.S. state of Michigan. As of the 2010 census, the county had a population of 602,622. Its county seat is Grand Rapids. The county was set off in 1831, and organized in 1836. It is named for New York jurist and legal scholar James Kent, who represented the Michigan Territory in its dispute with Ohio over the Toledo Strip. Kent County is included in the Grand Rapids\u2013Wyoming, MI Metropolitan Statistical Area. Kent County is the economic and manufacturing center of West Michigan, with the Steelcase corporation based in the county. It is also the home of the Frederik Meijer Gardens, a significant cultural landmark of the Midwest. The county is a traditional stronghold for the Republican Party, with a substantial conservative population, but in 2008, Barack Obama became the first Democratic presidential candidate to carry the county since 1964. The Gerald R. Ford International Airport is located within the county."