
Hammond
- County:
- Piatt County
- County Seat:
- No
- Area (mi²):
- 0.757
- State:
- Illinois
Hammond is a village located in Piatt County, Illinois. Hammond has a 2025 population of 497. Hammond is currently declining at a rate of -0.4% annually and its population has decreased by -1.78% since the most recent census, which recorded a population of 506 in 2020.
The average household income in Hammond is $73,974 with a poverty rate of 3.82%. The median age in Hammond is 33.4 years: 33.4 years for males, and 33.6 years for females.