Washtenaw County, Michigan
As of the census of 2000, there were 322895 people, 125327 households, and 73690 families residing in the county. The population density was 454.8 people per square mile (175.6/kmē), it is Michigan's seventh most densely populated county. There were 131069 housing units at an average density of 184.6 per square mile (71.27/kmē). The average household size was 2.41 and the average family size was 3.02. In the county Population was distributed with 22.1% under the age of 18, 17.1% from 18 to 24, 32.1% from 25 to 44, 20.6% from 45 to 64, and 8.1% who were 65 or older. For every 100 females there were 98.9 males. For every 100 females age 18 and over, there were 97.1 males. Its population was estimated at 347376 in July 2008, The racial or ethnic makeup of the county was 76.88% White, 12.28% Black or African American, 0.37% American Indian, 8.21% Asian, 0.05% Native Hawaiian, and 2.21% from two or more races.
The median income for a household in the county was $51990, it is the sixth wealthiest county in terms of median household income. The median income for a family in the county was $70393, it is the third highest county by median family income in the U.S. state of Michigan. The per capita income for the county was $27173, it would be the third highest county by per capita income in the U.S. state of Michigan.
In 2000, 117309 pupils and students, of which 50.34% are male and 49.66% are female, 36.33% of the total population, are in the education system. Of which, percentage of enrollment student are in, 5% nursery or pri school, 3.31% kindergarten, 27.76% elementary school, 12.75% high school and 51.17% College graduate school.
| Rank | City | County | Total Area mi2 | Land Area mi2 | Water Area mi2 | Population | Density mi2 | Per capita Income | House hold Income |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Milan City | Monroe County, Washtenaw County | 2.32 | 2.24 | 0.08 | 4775 | 2127.4 | 23895 | 48510 |
| 2 | Ann Arbor City | Washtenaw County | 27.68 | 27.01 | 0.67 | 114024 | 4221.1 | 26419 | 46299 |
| 3 | Barton Hills Village | Washtenaw County | 0.8 | 0.8 | 0 | 335 | 418.2 | 110683 | 149056 |
| 4 | Chelsea Village | Washtenaw County | 3.4 | 3.34 | 0.05 | 4398 | 1315.3 | 27608 | 51132 |
| 5 | Dexter Village | Washtenaw County | 1.89 | 1.89 | 0 | 2338 | 1236.7 | 27974 | 50510 |
| 6 | Manchester Village | Washtenaw County | 1.9 | 1.8 | 0.1 | 2160 | 1201.8 | 24113 | 46974 |
| 7 | Saline City | Washtenaw County | 4.66 | 4.63 | 0.03 | 8034 | 1736.3 | 26208 | 59382 |
| 8 | Whitmore Lake Cdp | Washtenaw County, Livingston County | 5.41 | 4.36 | 1.05 | 6574 | 1508.5 | 26066 | 51504 |
| 9 | Ypsilanti City | Washtenaw County | 4.51 | 4.4 | 0.11 | 22362 | 5081.5 | 16692 | 28610 |
| Year | Population |
|---|---|
| April 2000 census | 322895 |
| April 2000 Estimate | 322770 |
| July 2000 Estimate | 324488 |
| July 2001 Estimate | 329239 |
| July 2002 Estimate | 333636 |
| July 2003 Estimate | 337093 |
| July 2004 Estimate | 340725 |
| July 2005 Estimate | 344025 |
| July 2006 Estimate | 346185 |
| July 2007 Estimate | 347969 |
| July 2008 Estimate | 347376 |
| School | Male | Female | Total |
|---|---|---|---|
| Nursery school | 3150 | 2717 | 5867 |
| Kindergarten | 1995 | 1883 | 3878 |
| Elementary school | 16941 | 15629 | 32570 |
| High school | 7752 | 7210 | 14962 |
| College or graduate school | 29216 | 30816 | 60032 |
| Place | Median household income | Median family income | Per capita income |
|---|---|---|---|
| Washtenaw County, Michigan | $51990 | $70393 | $27173 |
| Michigan, United States | $44667 | $53457 | $22168 |
| United States | $41994 | $50046 | $21587 |