Grain Valley, Missouri Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Grain Valley, Missouri is 15,967 as of the 2023 American Community Survey, making it the 55th-largest city in Missouri. The median household income is $87,266, the median home value is $269,800, and the median age is 35.8.
The population has grown 30.9% since 2010 (12,876 → 16,859).
15,967
Population
2591
People / sq mi
$87,266
Median Income
$269,800
Median Home Value
Grain Valley covers 6.2 sq mi of land at 2591 people per square mile.
About Grain Valley, MO
Grain Valley is a city in Missouri with a population of 15,967. It ranks #55 among cities in Missouri by population. The median age is 35.8, younger than the national median. The population is 49.4% male and 50.6% female.
The median household income in Grain Valley is $87,266, above the US median of $74,580. 4.9% of residents live below the federal poverty level. Home values sit at a median of $269,800, with monthly rent averaging $1,366. The homeownership rate of 65.2% is close to the national rate of 64.8%.
Educational attainment in Grain Valley reflects 27.8% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 17.5% of workers primarily work from home, noticeably above the national work-from-home rate of 14.2%. The average commute is 25.2 minutes each way.
Grain Valley city Population History (2010-2024)
The city of Grain Valley city had a population of 12,876 in 2010 and 16,859 in 2024, a 30.9% growth over 14 years. The peak was 16,859 in 2024. Average annual growth rate: 1.96%.
16,859
Population (2024)
12,876
Population (2010)
16,859
Peak (2024)
1.96%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 12,876 |
| 2011 | 12,953 |
| 2012 | 13,022 |
| 2013 | 13,114 |
| 2014 | 13,235 |
| 2015 | 13,370 |
| 2016 | 13,701 |
| 2017 | 13,969 |
| 2018 | 14,275 |
| 2019 | 14,526 |
| 2020 | 15,683 |
| 2021 | 16,007 |
| 2022 | 16,154 |
| 2023 | 16,628 |
| 2024 | 16,859 |
Race & Ethnicity
| White | 86.1% |
| Black or African American | 5.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.0% |
| Two or More Races | 0.0% |
Economy & Income
$87,266
Median Household Income
$38,038
Per Capita Income
4.9%
Poverty Rate
1.6%
Unemployment Rate
Housing
$269,800
Median Home Value
$1,366
Median Rent
65.2%
Owner-Occupied
Education
94.7%
High School+
27.8%
Bachelor's+
Commute
0.0%
Drive Alone
77.2%
Public Transit
17.5%
Work From Home
25.2 min
Avg Commute
Community Profile
24.3%
Foreign Born
96.7%
Non-English at Home
6.3%
Veterans
11.1%
With Disability
95.5%
Health Insurance
94.2%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 23.5% |
| Finance, Insurance & Real Estate | 13.3% |
| Construction | 10.2% |
| Information | 7.7% |
| Manufacturing | 7.6% |
| Education, Health Care & Social Services | 6.8% |
| Public Administration | 5.7% |
| Retail Trade | 5.3% |
| Arts, Entertainment & Food Services | 3.2% |
| Transportation & Warehousing | 1.3% |
| Agriculture & Mining | 0.3% |
Largest cities in Missouri
Largest counties in Missouri
Part of Missouri
Metro areas in Missouri
City rankings
Frequently Asked Questions
Grain Valley, Missouri has a population of 15,967 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 55th-largest city in Missouri.
The median household income in Grain Valley, Missouri is $87,266, with 4.9% of residents living below the federal poverty level.
The median home value in Grain Valley, Missouri is $269,800, with median monthly rent at $1,366 and a homeownership rate of 65.2%.
The median age in Grain Valley, Missouri is 35.8 years. The population is 49.4% male and 50.6% female.
The population has grown 30.9% since 2010 (12,876 → 16,859).
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.