Zip Code 48109 — Ann Arbor, MI

ZIP Code 48109 is associated with Ann Arbor, MI, in Washtenaw County. The listed population estimate is 5,939; estimated density is 1,643.6 people per square mile. Among records with population estimates, it ranks #12 of 14 in Washtenaw County and #438 of 987 in MI.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (42.284080, -83.725310)

Data MetricLocal Statistic
Postal / Zip Code48109
Primary CityAnn Arbor
State / ProvinceMI
CountyWashtenaw
Total Population5,939
Population Density1,643.6 people/sq mi
TimezoneAmerica/Detroit

How 48109 Compares

MetricZIP 48109Washtenaw County recordsMI records
Population estimate5,939355,280 (sum)10,077,716 (sum)
Population Density1,643.6 /sq mi----
County population rank#12 of 14----
State population rank#438 of 987----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in MI

ZIP CodeCityDistancePopulation estimate
ZIP 48104Ann Arbor1.5 mi43,979
ZIP 48105Ann Arbor3.4 mi37,048
ZIP 48108Ann Arbor4.3 mi27,666
ZIP 48103Ann Arbor6.3 mi55,054
ZIP 48198Ypsilanti7.0 mi39,244

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →