Bay County, Michigan

Bay County: County in Michigan, United States

About

Bay County is a county located in the U.S. state of Michigan. As of the 2010 census, the population was 107,771 and a population density of 66 people per km². After 10 years in 2020 county had an estimated population of 102,387 inhabitants. Its county seat is Bay City. The county was created 168 years ago in 1856.

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

Quick Facts about Bay County

Population : 102,387 (2020)
Country : United States of America
State : Michigan (United States)
Area : 1634 km2
Water as percent of area : 30%
Land as percent of area : 70%
Named for : Saginaw Bay
Capital : Bay City
Establishment : January 01, 1857
Time Zone : America/Detroit
Local time : 11:47:52 (22nd February 2025)
Density : 63 Pop. per km² as of 2020
Population growth : -5.26% (2010-2020)
Bay City Masonic Temple in 2014 image
Bay City Masonic Temple in 2014
Bay City Masonic Temple in 2014 image
Bay City Masonic Temple in 2014 image

Geography

Bay County is located at 43°43'17"N 83°56'31"W (43.7213700, -83.9418400). It has 2 neighbors: Arenac County and Saginaw County.

Bay County map

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The largest city of Bay County is Bay City with a population of 32,717. Other cities include, Essexville population 3,244, Pinconning population 2,337 and Auburn population 2,069. See all Bay County cities & populated places.

Bay County Populated Places

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

City Name Population Title
Bay City 32,717 City in Bay County, Michigan, USA
Kawkawlin 4,657 Township in Bay County, Michigan
Essexville 3,244 City in Bay County in the U.
Pinconning 2,337 City in Bay County, Michigan, United States of America
Auburn 2,069 City in Michigan, USA
Mount Forest 1,369 Township of Michigan
Bentley 836 Township in Bay County, Michigan
Beaver 517 Township in Newaygo County, Michigan

Bay County has 2 neighbours.

  • Bay City

Demographics

According to census records, the population of Bay County decreased by 5.26% in 10 years.

Year Population % Change Method
2010 107,771 - census
2011 107,417 -0.33% estimation process
2012 106,967 -0.42% estimation process
2013 106,794 -0.16% estimation process
2014 106,046 -0.71% estimation process
2015 105,237 -0.77% estimation process
2016 104,411 -0.79% estimation process
2017 104,045 -0.35% estimation process
2018 103,702 -0.33% estimation process
2019 103,126 -0.56% estimation process
2020 102,387 -0.72% estimation process

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Other places with the same name (2)

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