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Post Offices in Mansfield, IL
1 post office in Mansfield, Piatt County · Data as of 09/23/2026
Post offices on this page
Post offices in Mansfield at a glance
- With a population of 866, Mansfield has 1 post office (12 per 10,000 people).
- By count, it is 100th of 1,142 in Illinois.
- Nearby, Atwood (1), Bement (1) and Cerro Gordo (1) also have post offices listed.
Post offices in Mansfield
A to Z
Frequently asked questions
- How many post offices are in Mansfield, IL?
- There is 1 post office in Mansfield as of 09/23/2026.