Northfield is a city located in Minnesota. With a 2020 population of 20,774, it is the 55th largest city in Minnesota and the 1793rd largest city in the United States. Northfield is currently growing at a rate of 0.34% annually and its population has increased by 3.83% since the most recent census, which recorded a population of 20,007 in 2010. Spanning over 9 miles, Northfield has a population density of 2,445 people per square mile.
The average household income in Northfield is $82,655 with a poverty rate of 12.12%. The median rental costs in recent years comes to $816 per month, and the median house value is $216,600. The median age in Northfield is 27.5 years, 26.5 years for males, and 28.2 years for females. For every 100 females there are 88.6 males.