Ann Arbor is a city located in Washtenaw County Michigan. Ann Arbor has a 2023 population of 119,570. It is also the county seat of Washtenaw County.Ann Arbor is currently declining at a rate of -0.81% annually and its population has decreased by -2.42% since the most recent census, which recorded a population of 122,531 in 2020.
The average household income in Ann Arbor is $107,368 with a poverty rate of 22.55%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Ann Arbor is 27.5 years, 27.2 years for males, and 27.8 years for females.
Ann Arbor is the 5th largest city in Michigan, and its Metropolitan Statistical Area includes all of Washtenaw County. The city just barely made the cut-off for the 5th largest city, making the new ranking sometime in 2012.
Ann Arbor has an estimated population of 121,000, although the metropolitan area, and all of Washtenaw County, has a population estimated at 350,000. Ann Arbor is also part of the Detroit-Ann Arbor-Flint, MI Combined Statistical Area (CMA), which has a population of more than 5.32 million.
The city proper has a population density of 4,094 people per square mile, which makes it less densely populated than the inner-ring Detroit suburbs of Ferndale and Oak Park, among others, but more densely populated than outer-ring suburbs.
The most common ancestry groups in Ann Arbor are German (14.9%), English (8.5%) and Irish (7.9%). Ann Arbor currently has the second-highest Japanese national population in Michigan at 1,540.
In 2013, Ann Arbor's population grew to 116,000, up 2% from 113,900 in 2010. This is due, in part, to new downtown high-rises with thousands of new units. Ann Arbor is expected to continue its modest growth in the decade to come.
Ann Arbor was founded in 1824 by Elisha Walker Rumsey and John Allen, and the town was registered with Wayne County as Annarbour that year. The city was named for the men's wives, both named Ann, and for large stands of burr oak in the land purchased from the government for $800.
Ann Arbor became the seat of Washtenaw County three years later and it was incorporated as a village just six years later. The Ann Arbor Land Company set aside undeveloped land and offered it to Michigan as the site of the state capital, but the bid was lost to Lansing, and the property instead became the site of the University of Michigan, which shaped the future of the city.
Ann Arbor saw strong growth in the 1880s with new immigrants from Poland, Russia, Italy and Greece joining the Irish, Germans, English and African-Americans already present. Ann Arbor eventually gained a reputation as a center for liberal politics during the 1960s and 1970s, particularly for the civil rights and anti-Vietnam War movements.
According to the most recent ACS, the racial composition of Ann Arbor was:
Black or African American
Two or more races
Native Hawaiian or Pacific Islander
Average Family Size
Average Household Size
Rate of Home Ownership
Less Than 9th Grade
9th to 12th Grade
High School Graduate
High School Graduation Rate
The highest rate of high school graduation is among white people with a rate of 63.44%.
The highest rate of bachelors degrees is among white people with a rate of 51.29%.
Other Indo-European Languages
Asian and Pacific Island Languages
78.28% of Ann Arbor residents speak only English, while 21.72% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 15.46% of the population.
Overall Poverty Rate
Male Poverty Rate
Female Poverty Rate
The race most likely to be in poverty in Ann Arbor is Asian, with 28.65% below the poverty level.
The race least likely to be in poverty in Ann Arbor is Native, with 15.72% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.31%. Among those working part-time, it was 39.17%, and for those that did not work, the poverty rate was 34.2%.
Overall Marriage Rate
Male Marriage Rate
Female Marriage Rate
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
Second Gulf War
First Gulf War
World War II
Less Than 9th Grade
High School Graduate
Bachelors or Greater
Veteran Poverty Rate
Veteran Disability Rate
Labor Force Participation
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Born in Ann Arbor
90.84% of Ann Arbor residents were born in the United States, with 51.81% having been born in Michigan. 12.34% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.