Hamilton is a city located in Hancock County Illinois. With a 2020 population of 2,677, it is the 436th largest city in Illinois and the 6608th largest city in the United States . Hamilton is currently declining at a rate of -0.70% annually and its population has decreased by -9.28% since the most recent census, which recorded a population of 2,951 in 2010. Hamilton reached it's highest population of 3,509 in 1980. Spanning over 5 miles, Hamilton has a population density of 752 people per square mile.
The average household income in Hamilton is $58,191 with a poverty rate of 11.02%. The median rental costs in recent years comes to $655 per month, and the median house value is $91,700. The median age in Hamilton is 44.7 years, 43.4 years for males, and 45.5 years for females.