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Branches & Hours -

Deer Run Branch

Library Branches are open for browsing and other in-person Library services.
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Service hours:
Mon. - Thurs. 9:00 a.m. - 7:00 p.m.
Fri. & Sat. 9:00 a.m. - 5:00 p.m.
Sunday Closed 

Holiday Closing

Branch Phone
(636) 978-3251 or (636) 980-1332

Ask Us

1300 North Main | O'Fallon 63366-2013
Get directions to branch

Branch Manager: Cindy Miller | cmiller@stchlibrary.org
Youth Services Supervisor: Jessie Park | jpark@stchlibrary.org

Branch Amenities

  • Free Wi-Fi Available
  • Curbside Service
  • RESERVE A MEETING ROOM - (Currently unavailable)

Branch History

Come visit Deer Run Branch!  Our branch opened in 1995.  We have over 90,000 items housed in a branch that’s nearly 12,000 sq ft.  For faster service when you're on the go call ahead for curbside service. Pick up your reserves and/or materials you've called ahead to request without ever leaving your car!  The Deer Run staff looks forward to introducing you to the materials and services we offer.