
Dalzell
- County:
- Bureau County
- County Seat:
- No
- Area (mi²):
- 0.82
- State:
- Illinois
Dalzell is a village located in Bureau County, Illinois. Dalzell has a 2025 population of 638. Dalzell is currently declining at a rate of -0.78% annually and its population has decreased by -3.77% since the most recent census, which recorded a population of 663 in 2020.
The average household income in Dalzell is $86,728 with a poverty rate of 9.83%. The median age in Dalzell is 42.1 years: 41.8 years for males, and 42.7 years for females.