 The library is located at 15025 S. Illinois Street, Plainfield, IL 60544 near crossings of Lincoln Highway and U.S. Route 66
The street numbering convention was recently changed.The library's address under the "old" system was 705 N. Illinois St.

July 1, 2006 - June 30, 2007
Registered Cardholders 24,651
Annual Circulation 506,249
Total Holdings 100,000

In 1925, Ebanezer & Celeste Nimmons left a $25,000 estate to either the Village of Plainfield or to Plainfield Township for the establishment of a tax supported public library.On June 9, 1925 the residents of the Village of Plainfield held a special election to vote on the establishment of a tax supported public library.