New Berlin is a city located in Sangamon County Illinois. With a 2020 population of 1,337, it is the 576th largest city in Illinois and the 9153rd largest city in the United States . New Berlin is currently growing at a rate of 0.15% annually but its population has decreased by -0.67% since the most recent census, which recorded a population of 1,346 in 2010. New Berlin reached it's highest population of in . Spanning over 1 miles, New Berlin has a population density of 1,184 people per square mile.
The average household income in New Berlin is $80,019 with a poverty rate of 5.17%. The median rental costs in recent years comes to $775 per month, and the median house value is $145,100. The median age in New Berlin is 36.7 years, 35.4 years for males, and 37.8 years for females.