| Place Name | Crystal City |
| Place Type | City |
| ZIP Code(s) | 63019 |
| County | Jefferson County |
| Area Code(s) | 636 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 4,819 |
| Population Growth Rate (2010-19) | -2.37% |
| Majority Ethnicity | White 93.91% |
| Metro/Micro Stats Area | St. Louis, MO-IL |
| US Congressional District(s) | Missouri 3rd |
| State House Districts | 114 |
| State Senate Districts | 22 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 93.91% |
| African American | 4.74% |
| Hispanic | 0.64% |
| Asian | 0.14% |
| Native American | 0.25% |
| Hawaiin/Pacific Islander | 0.32% |