Michigan · Census place 2603000
Ann Arbor, Michigan
Ann Arbor is a city in Washtenaw County, Michigan with an estimated 122,925 residents on July 1, 2024. It is the 5th largest of 353 incorporated places of 1,000+ people in the state.
- Population 2024
- 122,925
- #5 of 353 in Michigan
- Change since 2020
- -0.7%
- -832 people
- Land area
- 28.4 sq mi
- + 0.87 sq mi water
- Density
- 4,330 / sq mi
- State median 2,478
Measure from here
Tools and pages that start from Ann Arbor
Ann Arbor population, 2020 to 2024
Ann Arbor lost 832 residents from July 2020 to July 2024, a change of -0.7%. In the latest year it moved by +280. Among 153 Michigan places of 5,000 or more, that growth ranks 81st; the median place changed by -0.5%. The median place of 5,000+ in Michigan has 12,132 people, so Ann Arbor is 10.1 times that size.
Ann Arbor covers 28.39 square miles of land and 0.87 of water, for 4,330 people per square mile of land. The median Michigan place of 5,000+ has 2,478, so Ann Arbor is denser than the typical town.
What county Ann Arbor is in
All of Ann Arbor's residents live in Washtenaw County, which had 373,875 residents in 2024. Ann Arbor holds 32.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.
ZIP codes in Ann Arbor
5 ZIP Code Tabulation Areas (ZCTAs) overlap Ann Arbor by at least 10% of the ZCTA's or the city's land: 48103, 48104, 48105, 48108, 48109. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.
Where Ann Arbor is
The Census internal point of Ann Arbor is at 42.276100, -83.730900. Lansing, the capital, is 52.6 miles NW in a straight line. The nearest larger place is Detroit, MI (645,705 people), 32.9 miles away. The nearest city of 100,000 or more is Dearborn, MI, 26.7 miles away. The ground at the internal point is about 272 m (892 ft) above sea level.
Internal point
- Decimal
- 42.276100, -83.730900
- DMS
- 42°16'33.96"N 83°43'51.24"W
- UTM
- 17N 274805.4E 4684043.7N
- Geohash
- dps2w8jh0
- Plus code
- 86JR77G9+CJ
- Time zone
- America/Detroit
Daylight in Ann Arbor
At 42.28° N, Ann Arbor gets about 15 h 17 min of daylight around the June solstice and 9 h 05 min around the December solstice, a swing of 6 h 11 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026. Month-by-month sunrise and sunset times are on the Ann Arbor daylight page.
Places near Ann Arbor
The eight nearest incorporated places of 1,000+ in Michigan, measured between internal points. The closest is Ypsilanti, 6.0 miles away, with 20,150 people.
Questions people ask
What is the population of Ann Arbor, MI?
122,925 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 832 (0.7%) from 123,757 in July 2020.
What county is Ann Arbor in?
Washtenaw County. All of its residents live in that county.
What ZIP codes cover Ann Arbor?
5 ZIP Code Tabulation Areas overlap it by at least 10% of either area: 48103, 48104, 48105, 48108, 48109.
How far is Ann Arbor from Lansing?
52.6 miles (84.6 km) in a straight line, heading NW from Ann Arbor.
What is the nearest larger city to Ann Arbor?
Detroit, MI, with 645,705 residents, 32.9 miles away between internal points.
Sources and data as of
Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.
- 01Census Vintage 2024 subcounty population estimates
- 02Census 2024 Gazetteer, places
- 03Census 2020 ZCTA to place relationship file
- 04Census 2024 cartographic boundary file, counties (1:5,000,000)
- 05Open-Meteo forecast API (time zone and Copernicus GLO-90 elevation) (last verified 2026-09-30)
How every number is computed: methodology. Spotted a wrong figure? Report an error.