Hammond
- County:
- Lake County
- County Seat:
- No
- Area (mi²):
- 22.741
- State:
- Indiana
Hammond is a city located in Lake County, Indiana. Hammond has a 2026 population of 76,030. Hammond is currently declining at a rate of -0.21% annually and its population has decreased by -2.22% since the most recent census, which recorded a population of 77,755 in 2020.