St. Peter is a city located in Minnesota. With a 2020 population of 12,243, it is the 89th largest city in Minnesota and the 2674th largest city in the United States. St. Peter is currently growing at a rate of 1.27% annually and its population has increased by 9.35% since the most recent census, which recorded a population of 11,196 in 2010. Spanning over 6 miles, St. Peter has a population density of 2,007 people per square mile.
The average household income in St. Peter is $67,266 with a poverty rate of 15.51%. The median rental costs in recent years comes to $878 per month, and the median house value is $166,000. The median age in St. Peter is 30.1 years, 29.5 years for males, and 30.5 years for females. For every 100 females there are 101.3 males.