On March 31, 1973, Riverdale residents voted in favor of a free public library by a 6 to 1 yes vote.

In May of 1974, the Board of Trustees of the Riverdale Library hired Mrs. Adelle McCarty as Administrative Librarian. She retired in 2009.

In 1975, the Riverdale Library moved from its temporary location in the Village Hall to its permanent home at 208 W. 144th Street. It opened for public service on August 1st of that year.

On November 3, 1987, Riverdale residents approved a $900,000 building bond referendum for the purpose of renovating the Riverdale Public Library building and grounds.

On June 20, 1988, the Riverdale Library temporarily moved across the street to the vacant Ben Franklin store while their permanent building was being renovated.

On July 10, 1989, the Riverdale Public Library reopened in newly renovated quarters.

In July of 1993, the Riverdale Public Library and the Riverdale Chamber of Commerce sponsored their first annual Flea Market in the commuter parking lot at 144th & Atlantic Streets.

The Riverdale Library closed on May 23, 2005 for reconstruction of truss work.

On May 31, 2005, regular hours and days for the Riverdale Library took place in three mini-mobile units located in the parking lot until completion of the truss work.

The Riverdale Library opened to the public in their building on October 3, 2005 upon completion of the truss work.

In December of 2014, the Village decided to let Northeast TIF District #1 expire. This had the effect of returning over $9,000,000.00 in total assessed valuation to the taxing districts comprising the Village of Riverdale, the School Districts, Park District, and Library District.

2015 Newly elected officials: Riverdale Public Library District, Susan Avant-Holloway.

On August 15, 2015, the Village of Riverdale and the Riverdale Library co-sponsored a Back To School Book Bash from 10am-2pm in the Village and Library parking lots.