Scott County Library System Historic Timeline
| 1947 | 1950 | 1951 | 1952 | 1960s | 1962 | 1966 | 1968 |
| 1969 | 1971 | 1974 | 1981 | 1985 | 1986 | 1987 | 1988 |
| In 1950, the Scott County bookmobile organization became the Scott County Library System. At this time, there were 4,000 books in the collection. Branches were established in Blue Grass, Eldridge and Princeton, Iowa. |