Belle Plaine is a somewhat small city located in the state of Minnesota. With a population of 7,416 people and two associated neighborhoods, Belle Plaine is the 122nd largest community in Minnesota. Much of the housing stock in Belle Plaine was built relatively recently. The construction of new real estate can often be taken as an indication that the local Belle Plaine economy is robust, and that jobs or other amenities are attracting an influx of new residents. This seems to be the case in Belle Plaine, where the median household income is $96,831.00.

The overall education level of Belle Plaine is somewhat higher than in the average US city of 21.84%: 27.60% of adults 25 and older in the city have at least a bachelor's degree.

The per capita income in Belle Plaine in 2022 was $42,581, which is upper middle income relative to Minnesota and the nation. This equates to an annual income of $170,324 for a family of four.

The people who call Belle Plaine home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Belle Plaine residents report their race to be White, followed by Black or African-American. Important ancestries of people in Belle Plaine include German, Irish, Norwegian, Polish, and French.

The most common language spoken in Belle Plaine is English. Other important languages spoken here include Polish and Italian.