The Ultimate List of Upper Peninsula facts
This page will be updated with facts that are posted to the @UpperPeninsula Twitter account and Yooper Steez fan page. Have a fact to share? Share it with us on Twitter or our Facebook Page and we’ll get it on the list.
Newest facts will remain at the top so you don’t have to scroll to the bottom to see the newest ones once the list gets large. Most items have links so you can read more information. Enjoy!
- In 1910, with 325,000 people, the Upper Peninsula was 12% of Michigan’s population. Today the Upper Peninsula is 3% of Michigan’s population.
- In 1910, Houghton County was home to more than 88,000 people. That is the record for the highest population of any county in the Upper Peninsula.
- 906 is the 6th largest area code east of the Mississippi River
- The Seney Stretch is the longest curveless section of highway in Michigan, and one of the longest straight stretches of curveless highway east of the Mississippi River
- Lake Superior is the size of South Carolina
- Lake Michigan is the size of West Virginia
- There are 89 known species of fish in Lake Superior.
- The Upper Peninsula is about 3.16% of the Michigan population
- Keweenaw County has the smallest population with about 2,156 people (2010 Census)
- Marquette County has the largest population with about 67,077 people (2010 Census)
- Marquette is the largest city with about 19,600 people
- 906 is the one and only area code
- There are 15 counties in the Upper Peninsula
- Lake Superior has 917 miles of shoreline along the Upper Peninsula
- The Upper Peninsula is home to about 301,361 Yoopers (2010 Census)
