| Place Name | Grain Valley |
| Place Type | City |
| ZIP Code(s) | 64029 |
| County | Jackson County |
| Area Code(s) | 816,975 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 12,507 |
| Population Growth Rate (2010-19) | 21.57% |
| Majority Ethnicity | White 92.19% |
| Metro/Micro Stats Area | Kansas City, MO-KS |
| US Congressional District(s) | Missouri 5thMissouri 6th |
| State House Districts | 32 |
| State Senate Districts | 8 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 92.19% |
| African American | 3.21% |
| Hispanic | 0.51% |
| Asian | 0.38% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 3.71% |