O'Fallon Public Library
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06/06/2026
What does the library cost the average O’Fallon homeowner?
Currently about $11 per month. A proposed new library would increase that by about $10 per month for the median home.
Learn more about the investment and what it would mean for our community in our latest blog post.
Read the full blog post here: https://bit.ly/4uZmOCu
05/25/2026
We will be closed on Memorial Day 🇺🇸
In observance of Memorial Day, the library will be closed on Monday, May 25, 2026. We will resume normal hours on Tuesday, May 26.
We honor and remember those who served and sacrificed for our country.
Have a safe and meaningful holiday.
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Contact the organization
Website
Address
120 Civic Plz
O'Fallon, IL
62269
Opening Hours
| Monday | 9am - 8pm |
| Tuesday | 9am - 8pm |
| Wednesday | 9am - 8pm |
| Thursday | 9am - 8pm |
| Friday | 9am - 5pm |
| Saturday | 9am - 4pm |
| Sunday | 1pm - 5pm |
