Belle Plaine is a somewhat small city located in the state of Minnesota. With a population of 7,443 people and two associated neighborhoods, Belle Plaine is the 122nd largest community in Minnesota. Belle Plaine has seen a significant amount of newer housing growth in recent years. Quite often, new home construction is the result of new residents moving in who are middle class or wealthier, attracted by jobs, a healthy local economy, or other amenities as they leave nearby or far away areas for greener pastures. This seems to be the case in Belle Plaine, where the median household income is $94,698.00.

Belle Plaine is a good choice for families with children because of several factors. Many other families with children live here, making it a place where both parents and children are more likely to develop social ties with other families. The city’s good public school district and large population of college-educated adults provide an environment conducive to academic success. Many people own their own single-family homes, providing areas for children to play and stability in the community. Finally, Belle Plaine’s overall crime rate is lower than average for the country.

The overall education level of Belle Plaine is somewhat higher than in the average US city of 21.84%: 26.93% 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 $39,848, which is upper middle income relative to Minnesota and the nation. This equates to an annual income of $159,392 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.