Hammond is a village located in Piatt County, Illinois. Hammond has a 2026 population of 498. Hammond is currently declining at a rate of -0.2% annually and its population has decreased by -1.58% since the most recent census, which recorded a population of 506 in 2020.
The median household income in Hammond is $77,019 with a poverty rate of 5.02%. The median age in Hammond is 32.5 years: 32.7 years for males, and 29.7 years for females. For every 100 females there are 103.0 males.