Herscher, IL has a population of 1,462 and is the 12,842nd largest city in the United States. The population density is 806 per sq mi which is 263% higher than the Illinois average and 790% higher than the national average. The median age in Herscher is 44 which is approximately 17% higher than the Illinois average of 37. In Herscher, 64% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 88% of Herscher residents were born in Illinois, 10% were born out of state, 0% were born outside of the United States and 2% were foreign born.