Keweenaw County, Michigan

Keweenaw County: county in the Upper Peninsula of the U.

About

Keweenaw County is a county located in the U.S. state of Michigan. As of the 2010 census, the population was 2,156. After 10 years in 2020 county had an estimated population of 2,119 inhabitants. Its county seat is Eagle River. The county was created 165 years ago in 1860.

Keweenaw County is an Upper Peninsula county in the U.S. state of Michigan. As of the 2020 United States Census, the population was 2,046, making it Michigan's least populous county. 

The county seat is Eagle River, which has a population of 1,462. The largest community in this county is Ahmeek (village), which had a population of 200 in the same census.

This area has been settled since the late 1860s and early 1870s, when prospectors came to look for copper and iron ore deposits. Both are now mined extensively throughout the region.

Keweenaw County locator map
Location of Keweenaw County on Michigan map.

County Snapshot

Keweenaw County at a glance

Keweenaw County currently has 5 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

5

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Quick Facts about Keweenaw County

Population 2,119 (2020)
Country United States of America
State Michigan (United States)
Area 15452 km2
Water as percent of area 91%
Land as percent of area 9%
Latitude & Longitude 47.2830,-88.2120
Altitude 1,522 feet / 464 meters
Capital Eagle River
Establishment January 01, 1861
Time Zone America/Detroit
Local time 14:24:09 (16th April 2026)
Population growth -1.75% (2010-2020)
Weather 32℉ Areas Of Fog 7-days weather
Keweenaw County Courthouse image
Keweenaw County Courthouse image

Geography

Keweenaw County is located at 47°16'59"N 88°12'43"W (47.2829600, -88.2119800). It has 5 neighbors: Alger County, Houghton County, Marquette County, Ontonagon County and Cook County.

Keweenaw County map

Click "full screen" full screen map icon to open full mode. View satellite images

The largest city of Keweenaw County is Delaware with a population of 795. Other cities include and Ahmeek population 144. See all Keweenaw County cities & populated places.

Keweenaw County Populated Places

Cities, towns, neighborhoods & other populated places in Keweenaw County.

City Name Population Title
Allouez 1,542 Township in Keweenaw County, Michigan
Seneca 1,181 Township in Lenawee County, Michigan
Delaware 795 Human settlement in Michigan, United States of America
Eagle Harbor 213 Township in Keweenaw County, Michigan
Ahmeek 144 Village in Michigan, United States

Weather

32°F
Areas Of Fog
0 mph Overnight

Areas of fog. Mostly cloudy, with a low around 32. Southwest wind around 0 mph.

7-Day Forecast

Official website of Keweenaw County

Official Website
  • Eagle River

Demographics

According to census records, the population of Keweenaw County decreased by 1.75% in 10 years.

Year Population % Change Method
2010 2,156 - census
2011 2,179 1.06% estimation process
2012 2,167 -0.55% estimation process
2013 2,142 -1.17% estimation process
2014 2,174 1.47% estimation process
2015 2,123 -2.4% estimation process
2016 2,139 0.75% estimation process
2017 2,085 -2.59% estimation process
2018 2,090 0.24% estimation process
2019 2,116 1.23% estimation process
2020 2,119 0.14% estimation process
Comitatul Keweenaw, Comte de Keweenaw, Comté de Keweenaw, Condado de Keweenaw, Condado han Keweenaw, Contea di Keweenaw, Hrabstwo Keweenaw, Keweenaw, Keweenaw Comitatus, Keweenaw Kun, Keweenaw Kūn, Keweenaw konderria, Keweenaw megye, Kijuino, Kivino, Okrug Kiveno, Quan Keweenaw, Quận Keweenaw, ji wei nuo xian, ki'uyina'u ka'unti, kiu~ino jun, Кивино, Кийуино, Ківіно, Округ Кивено, Քիվինո շրջան, مقاطعة كيويناو, کویناو کاؤنٹی، مشی گن, کیوانا کاؤنٹی, কিউয়িনাউ কাউন্টি, キーウィーノー郡, 基威諾縣

People born in Keweenaw County (1)

American politician (1869-1958) Thomas Hall was born in Keweenaw County

Michigan Other Counties (more counties)

County Name Population Title
Wayne County 1,740,623 County in Michigan, United States
Oakland County 1,253,459 County in Michigan, United States
Macomb County 870,791 County in Michigan, United States
Detroit 665,369 The twenty-fourth most populous city in the United States and the center of the Detroit metropolitan area.
Kent County 658,708 County in Michigan, United States
Genesee County 404,794 County in Michigan, United States
Washtenaw County 366,473 County in Michigan, United States
Ottawa County 294,635 County in Michigan, United States
Ingham County 290,609 County in Michigan, United States
Kalamazoo County 265,988 County in Michigan, United States
Grand Rapids 200,031 The second most populous city in Michigan.
Livingston County 192,335 County in Michigan, United States
Saginaw County 189,868 County in Michigan, United States
Muskegon County 173,883 County in Michigan, United States
Saint Clair County 159,293 County in Alabama, United States
Jackson County 156,920 County in Michigan, United States