St. Peter is a city located in Nicollet County Minnesota. With a 2020 population of 11,977, it is the 91st largest city in Minnesota and the 2726th largest city in the United States . St. Peter is currently growing at a rate of 0.10% annually and its population has increased by 6.98% since the most recent census, which recorded a population of 11,196 in 2010. St. Peter reached it's highest population of 11,977 in 2021. Spanning over 6 miles, St. Peter has a population density of 1,963 people per square mile.
The average household income in St. Peter is $70,309 with a poverty rate of 15.63%. The median rental costs in recent years comes to $861 per month, and the median house value is $170,200. The median age in St. Peter is 31.3 years, 31.1 years for males, and 31.6 years for females.