Grain Valley is a medium-sized city located in the state of Missouri. With a population of 16,178 people and four associated neighborhoods, Grain Valley is the 50th largest community in Missouri. Grain Valley 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 Grain Valley, where the median household income is $82,364.00.

Grain Valley real estate is some of the most expensive in Missouri, although Grain Valley house values don't compare to the most expensive real estate in the U.S.

Also of interest is that Grain Valley has more people living here who work in computers and math than 95% of the places in the US.

One interesting thing about the economy is that relatively large numbers of people worked from their home: 16.51% of the workforce. While this number may seem small overall, as a fraction of the total workforce this is high compared to the rest of the county. These workers are often telecommuters who work in knowledge-based, white-collar professions. For example, Silicon Valley has large numbers of people who telecommute. Other at-home workers may be self-employed people who operate small businesses out of their homes.

Being a small city, Grain Valley does not have a public transit system used by locals to get to and from work.

The percentage of people in Grain Valley who are college-educated is somewhat higher than the average US community of 21.84%: 28.04% of adults in Grain Valley have at least a bachelor's degree.

The per capita income in Grain Valley in 2022 was $36,609, which is wealthy relative to Missouri, and upper middle income relative to the rest of the US. This equates to an annual income of $146,436 for a family of four. However, Grain Valley contains both very wealthy and poor people as well.

Grain Valley is a somewhat ethnically-diverse city. The people who call Grain Valley home describe themselves as belonging to a variety of racial and ethnic groups. The greatest number of Grain Valley residents report their race to be White, followed by Black or African-American. Important ancestries of people in Grain Valley include German, European, English, Irish, and Italian.

The most common language spoken in Grain Valley is English. Other important languages spoken here include Italian and Spanish.