Grain Valley
Grain Valley has roughly average household income, with a median household income of $89,649. The city has more than doubled in size since 2000, adding 11,111 residents. Median home value has roughly tripled since 2000, reaching $283,800. It sits in the top 10% of US cities for household income. Households here earn about 27% more than the Missouri median.
Population & growth
PEP 2025 EST:16,908 residents (Census Bureau Vintage 2025, released March 2026)
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Education
Commute & transportation
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People & community
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How many people live in Grain Valley, Missouri?
Grain Valley, Missouri has about 16,271 residents according to the 2024 American Community Survey.
What is the median household income in Grain Valley, Missouri?
The typical household in Grain Valley, Missouri earns about $89,649 a year. Half of households make more than that, and half make less.
Is Grain Valley, Missouri expensive?
In Grain Valley, Missouri, the median home is worth about $283,800, and the typical rent is about $1,398 a month.
How educated are people in Grain Valley, Missouri?
About 27.4% of adults age 25 and over in Grain Valley, Missouri hold a bachelor's degree or higher.
What is the poverty rate in Grain Valley, Missouri?
About 9.7% of people in Grain Valley, Missouri live below the federal poverty line.
Has Grain Valley, Missouri grown since 1990?
Yes, Grain Valley, Missouri has grown since 1990. The population has added about 14,373 residents, a change of about 757 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024