
New Berlin
- County:
- Sangamon County
- County Seat:
- No
- Area (mi²):
- 1.13
- State:
- Illinois
New Berlin is a village located in Sangamon County, Illinois. New Berlin has a 2025 population of 1,334. New Berlin is currently declining at a rate of -0.67% annually and its population has decreased by -3.26% since the most recent census, which recorded a population of 1,379 in 2020.
The average household income in New Berlin is $87,413 with a poverty rate of 7.25%. The median age in New Berlin is 36.9 years: 33.9 years for males, and 37.4 years for females.