St. Louis County, Missouri Facts
| Facts | |
| State | Missouri |
| Land area | 507.8 square miles |
| Population Density | 1,967.2 persons per square mile. |
| Population | |
| Population (2013) | 1,001,444 |
| Population change | 0.3% | Under 5 years of age | 5.8% |
| Under 18 | 22.5% |
| 65 and over | 16.1% |
| Females | 52.7% |
| White | 70.3 |
| Hispanic or Latino of any race | 2.7 |
| Asian | 3.8% |
| Two or more races | 1.9% |
| Black or African American | 23.7% |
| Native American | 0.2% |
| Pacific Islander | 0% |
| Had graduated from high school | 92% |
| Had a bachelor’s degree or higher | 40.6% |
| Veterans | 70,308 |
| Households and Housing | |
| Households | 403,293 |
| Persons per household | 2.4 |
| Living in the same house for one year or more | 86.2% |
| Median household income | $58,910 |
| The per capita income | $34,795 |
| Live below the poverty line. | 10.9% |
| housing units | 437,299 |
| Multi-unit structures | 23% |
| The median value of owner-occupied housing | $174,500 |
| Residents owning their homes. | 71% |
| Business Facts | |
| Total number of firms | 91,810 |
| Women-owned firms | 27.2% |
| Asian-owned firms | 3.6% |
| Hispanic-owned firms | 1.1% |
| Black-owned firms | 10.5% |
| Native American-owned firms | 0.2% |
| Pacific Islander-owned firms | 0% |
| Retail sales | $17,237,496 |
| Retail sales per capita | $17,347 |
| Manufacturers shipments | $22,654,565 |
| Merchant wholesaler sales | $27,366,632 |