Population and Geography of the Upper Peninsula

320,000 People

  • Approximately 3% of the Michigan
  • Approximately 0.1% of the United States
  • Population density of 19 people/sq. mile

10 Largest Cities

  • Marquette (~19,661 people)
  • Sault Ste. Marie (16,542)
  • Escanaba (13,140)
  • Menominee (9,131)
  • Iron Mountain (8,154)
  • Houghton (7,134)
  • Ishpeming (6,535)
  • Ironwood (6,293)
  • Kingsford (5,549)
  • Gladstone (5,266)

* Approximately 205,500 people live in towns with 2,000 people or less

16,452 square miles

  • About the size of Denmark
  • Larger than the state of Maryland
  • 12,000 miles of streams
  • 4,300 inland lakes
  • 1,979 ft. highest peek, Mount Arvon
  • 1,700 miles of shoreline
  • 320 miles wide

The 15 Counties of Michigan's Upper Peninsula

Keweenaw County

Population:2,046 (15th)
Pop. Density:3.78 people/sq. mile (15th)
Land Area:541 sq. miles (15th)
Water Area:5,425 sq. miles (1st)
County Seat:Eagle River
Largest Town:Eagle River

Ontonagon County

Population:5,816 (13th)
Pop. Density:4.43 people/sq. mile (14th)
Land Area:1,312 sq. miles (3rd)
Water Area:2,430 sq. miles (3rd)
County Seat:Ontonagon
Largest Town:Ontonagon

Luce County

Population:5,339 (14th)
Pop. Density:5.91 people/sq. mile (13th)
Land Area:903 sq. miles (13th)
Water Area:1,009 sq. miles (7th)
County Seat:Newberry
Largest Town:Newberry

Schoolcraft County

Population:8,047 (12th)
Pop. Density:6.83 people/sq. mile (12th)
Land Area:1,178 sq. miles (4th)
Water Area:706 sq. miles (9th)
County Seat:Manistique
Largest Town:Manistique

Baraga County

Population:8,158 (11th)
Pop. Density:9.02 people/sq. mile (11th)
Land Area:904 sq. miles (12th)
Water Area:165 sq. miles (13th)
County Seat:L'Anse
Largest Town:L'Anse

Alger County

Population:8,842 (10th)
Pop. Density:9.63 people/sq. mile (10th)
Land Area:918 sq. miles (11th)
Water Area:4,131 sq. miles (2nd)
County Seat:Munising
Largest Town:Munising

Iron County

Population:11,631 (8th)
Pop. Density:9.89 people/sq. mile (9th)
Land Area:1,176 sq. miles (5th)
Water Area:45 sq. miles (14th)
County Seat:Crystal Falls
Largest Town:Iron River

Mackinac County

Population:10,834 (9th)
Pop. Density:10.6 people/sq. mile (8th)
Land Area:1,022 sq. miles (9th)
Water Area:1,079 sq. miles (6th)
County Seat:St. Ignace
Largest Town:St. Ignace

Gogebic County

Population:14,380 (7th)
Pop. Density:13.06 people/sq. mile (7th)
Land Area:1,101 sq. miles (7th)
Water Area:375 sq. miles (11th)
County Seat:Bessemer
Largest Town:Ironwood

Menominee County

Population:23,502 (6th)
Pop. Density:22.51 people/sq. mile (6th)
Land Area:1,044 sq. miles (8th)
Water Area:294 sq. miles (12th)
County Seat:Menominee
Largest Town:Menominee

Chippewa County

Population:36,785 (4th)
Pop. Density:23.57 people/sq. mile (5th)
Land Area:1,561 sq. miles (2nd)
Water Area:1,137 sq. miles (5th)
County Seat:Sault Ste. Marie
Largest Town:Sault Ste. Marie

Delta County

Population:36,903 (3rd)
Pop. Density:31.54 people/sq. mile (4th)
Land Area:1,170 sq. miles (6th)
Water Area:822 sq. miles (8th)
County Seat:Escanaba
Largest Town:Escanaba

Dickinson County

Population:25,947 (5th)
Pop. Density:33.87 people/sq. mile (3rd)
Land Area:766 sq. miles (14th)
Water Area:11 sq. miles (15th)
County Seat:Iron Mountain
Largest Town:Iron Mountain

Marquette County

Population:66,017 (1st)
Pop. Density:36.25 people/sq. mile (2nd)
Land Area:1,821 sq. miles (1st)
Water Area:1,604 sq. miles (4th)
County Seat:Marquette
Largest Town:Marquette

Houghton County

Population:37,361 (2nd)
Pop. Density:36.92 people/sq. mile (1st)
Land Area:1,012 sq. miles (10th)
Water Area:490 sq. miles (10th)
County Seat:Houghton
Largest Town:Houghton