| City : | St. Ann City |
| County : | St. Louis County |
| State : | Missouri (MO) |
| | |
| Land Area : | 3.18 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 38.7266360 |
| Longitude : | -90.3871019 |
| | |
| Population (2010): | 13,020 |
| Population Estimate (2012) : | 13,018 |
| Population Density : | 4,098.70/sq mi |
| Housing Units (2012) : | 6,496 |
| Median Household Income (2012) : | $34,932 (Missouri : $47,333, USA : $53,046) |
| Median Family Income (2012) : | $46,875 (Missouri : $59,395, USA : $64,585) |
| Median House Price (2012) : | $103,700 (Missouri : $138,400, USA : $181,400) |