| name | image | Annual visitors | type | Circulation | date founded | city | administrative división | continent | Country | Inventory | latitude (°) | longitude (°) | Website | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| St. Louis County Library | 12,701,900 | 1947 | St. Louis | Missouri | Americas | United States | 1,990,970 | 38.6166648865 | -90.4000015259 | Website | Map | |||
| Washington University Libraries |  | 1853 | St. Louis | Missouri | Americas | United States | 4,200,000 | 38.6333351135 | -90.3000030518 | Website | Map | |||
| Pius XII Memorial Library |  | Academic/University | 1959 | St. Louis | Missouri | Americas | United States | 38.6333351135 | -90.2333297729 | Website | Map |