Conversation so far:
When was the Menominee's reservation made?
The Menominee reservation was created in a treaty with the United States signed on May 12, 1854
How many Menominee live on the Menominee reservation?
As of the 2000 census the Menominee reservation's population is 3225
Is there a casino on the Menominee reservation?
Since the late 20th century, the Menominee members of the Menominee reservation have operated a number of gambling facilities in these communities as a source of revenue.
Are there any other interesting aspects about the Menominee, besides when the reservation was made, the reservation's population, and if they have a casino?
The small non-reservation parts of the county are more densely populated than the Menominee reservation
Which county is the Menominee reservation inside of?
Menominee reservation is coterminous with Menominee County.

Question: Was the county formed at the same time as the reservation?
Self-contained rewrite: Was Menominee county formed at the same time as the Menominee reservation?