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 203 years ago in 1821.
![Washtenaw County locator map](https://cdn.mapsof.net/images/501/5014120/washtenaw-county-locator-map-image_138095.png)
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 : | 2/18/2025 - 8:05:49 PM |
Density : | 196 Pop. per km² as of 2020 |
Population growth : | 5.92% (2010-2020) |
![Washtenaw County Downtown Ann Arbor Campus image](https://cdn.mapsof.net/images/501/5014120/washtenaw-county-image_1843.jpg)
![Washtenaw County Downtown Ann Arbor Campus image](https://cdn.mapsof.net/images/501/5014120/washtenaw-county-image_1843.jpg)
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
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 |
- Official Website
Official website of Washtenaw County
Washtenaw County has 3 neighbours.
- Lenawee County county in Michigan, United States
- Livingston County county in Michigan, United States
- Monroe County county in Michigan, United States
- 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 |
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
- Mark Ouimet (American politician)
- John G. K. Ayers (Recipient of the Medal of Honor) he was born in 01/01/1837
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 |