There are 6 US Post Offices in Howard County serving a total of 11,053 residents equating to 1,842 residents per post office. It's estimated that approximately 17,642 packages are handled across the 6 county post offices annually. Howard County is a county located in the US state of Iowa. As of the 2010 census, the population was 9,566. The county seat is Cresco. The county was founded in 1851 and named after General Tilghman Ashurst Howard, a Representative of Indiana."