Fisher, IL has a population of 1,989 and is the 11,051st largest city in the United States. The population density is 1,485 per sq mi which is 568% higher than the Illinois average and 1540% higher than the national average. The median age in Fisher is 37 which is approximately 1% lower than the Illinois average of 37. In Fisher, 66% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 83% of Fisher residents were born in Illinois, 16% were born out of state, 0% were born outside of the United States and 1% were foreign born.