About Grain Valley, MO
Grain Valley is located in Missouri. Grain Valley, Missouri has a population of 14,570. Grain Valley is more family-centric than the surrounding county with 40% households with children. The county percentage for households with children is 27%.
The median household income in Grain Valley, Missouri is $70,757. The median household income for the surrounding county is $54,013 compared to the national median of $61,963. The median age of people living in Grain Valley is 35.4 years.
Grain Valley Weather
The average high temperature in July is 87.2 degrees, with an average low temperature in January of 14.9 degrees. The annual precipitation is 41.18.
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