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Post Offices in Black Earth, WI
1 post office in Black Earth, Dane County · Data as of 09/23/2026
Post offices on this page
Post offices in Black Earth at a glance
- With a population of 1,736, Black Earth has 1 post office (5.8 per 10,000 people).
- By count, it is 37th of 641 in Wisconsin.
- Nearby, Madison (12), DeForest (2) and Oregon (2) also have post offices listed.
Post offices in Black Earth
A to Z
Frequently asked questions
- How many post offices are in Black Earth, WI?
- There is 1 post office in Black Earth as of 09/23/2026.