Newton is a city located in Jasper County Illinois. It is also the county seat of Jasper County. With a 2020 population of 2,855, it is the 423rd largest city in Illinois and the 6396th largest city in the United States . Newton is currently declining at a rate of -0.14% annually but its population has increased by 0.21% since the most recent census, which recorded a population of 2,849 in 2010. Newton reached it's highest population of 3,186 in 1980. Spanning over 2 miles, Newton has a population density of 1,366 people per square mile.
The average household income in Newton is $47,435 with a poverty rate of 24.09%. The median rental costs in recent years comes to $515 per month, and the median house value is $73,300. The median age in Newton is 44.3 years, 41.5 years for males, and 49.2 years for females.