Washtenaw County, Michigan

Washtenaw County: County in Michigan, United States

About

Washtenaw County is a county located in the U.S. state of Michigan. As of the 2010 census, the population was 344,791 and a population density of 184 people per km². After 10 years in 2020 county had an estimated population of 366,473 inhabitants. Its county seat is Ann Arbor. The county was created 202 years ago in 1821.

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

Quick Facts about Washtenaw County

Population : 366,473 (2020)
Country : United States of America
State : Michigan (United States)
Area : 1871 km2
Water as percent of area : 2.3%
Land as percent of area : 97.7%
Altitude : 938 feet / 286 meters
Capital : Ann Arbor
Establishment : January 01, 1822
Time Zone : America/Detroit
Local time : 12:50:06 (30th December 2024)
Density : 196 Pop. per km² as of 2020
Population growth : 5.92% (2010-2020)
Washtenaw County Downtown Ann Arbor Campus image
Washtenaw County Downtown Ann Arbor Campus
Washtenaw County Downtown Ann Arbor Campus image
Washtenaw County Downtown Ann Arbor Campus image

Geography

Washtenaw County is located at 42°15'12"N 83°50'20"W (42.2532300, -83.8387700). It has 3 neighbors: Lenawee County, Livingston County and Monroe County.

Washtenaw County map

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The largest city of Washtenaw County is Ann Arbor with a population of 119,280. Other cities include, Ypsilanti population 19,940, Chelsea population 5,377, Saline population 2,254 and Barton Hills population 303. See all Washtenaw County cities & populated places.

Washtenaw County Populated Places

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

City Name Population Title
Ann Arbor 119,280 The most populous city in Washtenaw County, Michigan.
Ypsilanti 19,940 City in Washtenaw County, Michigan, United States
Scio 17,908 Township in Michigan
Northfield 8,640 Township in Washtenaw County, Michigan
Webster 6,798 Township in Washtenaw County, Michigan
Dexter 6,503 Village in Michigan, United States
Salem 6,464 Township in Washtenaw County, Michigan
Chelsea 5,377 City in Washtenaw County, Michigan, United States of America
Benton 2,841 Charter township in Berrien County, Michigan
Manchester 2,575 Village in Michigan
Saline 2,254 City in Washtenaw County, Michigan, United States
Bridgewater 1,714 Township in Michigan
Foster 811 Township in Ogemaw County, Michigan
Barton Hills 303 City in Washtenaw County, Michigan, United States of America

Washtenaw County has 3 neighbours.

  • Ann Arbor

Demographics

The population of Washtenaw County increased by 5.92% in 10 years.

Year Population % Change Method
2010 344,791 - census
2011 349,753 1.42% estimation process
2012 352,303 0.72% estimation process
2013 356,040 1.05% estimation process
2014 360,021 1.11% estimation process
2015 362,975 0.81% estimation process
2016 366,135 0.86% estimation process
2017 368,807 0.72% estimation process
2018 369,483 0.18% estimation process
2019 367,601 -0.51% estimation process
2020 366,473 -0.31% estimation process

Comitatul Washtenaw, Comte de Washtenaw, Comté de Washtenaw, Condado de Washtenaw, Condado han Washtenaw, Contea di Washtenaw, Hrabstwo Washtenaw, Okrug Voshteno, Owosteno srjan, Quan Washtenaw, Quận Washtenaw, Uoshteno, Uoshtuno, Voshteno, Washtenaw, Washtenaw Comitatus, Washtenaw Kun, Washtenaw Kūn, Washtenaw konderria, Washtenaw maakond, Washtenaw megye, raasatena'u ka'unti, u~osshutono jun, wo shen te nao xian, Воштено, Округ Воштено, Уоштено, Уоштъно, Ուոշտենո շրջան, واشناو کاؤنٹی، مشی گن, واشٹینا کاؤنٹی, ৱাসটেনাউ কাউন্টি, ウォッシュトノー郡, 沃什特瑙縣

People born in Washtenaw County (5)

People born in Washtenaw County, including cartoonist Dave Coverly, musical instrument builder John Challis, businessman Frank J. Hecker, .

List

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
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
Berrien County 153,025 County in Michigan, United States