Hersey, MI has a population of 320 and is the 22,136th largest city in the United States. The population density is 291 per sq mi which is 188% higher than the Michigan average and 221% higher than the national average. The median age in Hersey is 46 which is approximately 15% higher than the Michigan average of 40. In Hersey, 58% of the population over 15 years of age are married, 96% speak English and 2% speak Spanish. 88% of Hersey residents were born in Michigan, 11% were born out of state, 1% were born outside of the United States and 0% were foreign born.