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County · GEOID 26161

Washtenaw County, MI ZIP codes

27 ZIP/ZCTAs intersecting this county.

ACS 2023 population

368,394

Median household income

$87,156

Median home value

$353,000

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County Washtenaw County (GEOID 26161). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 589,023 (27 ZIPs).

Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology

ZIP/ZCTA overlap with Washtenaw County

Population overlap

Share of each ZIP/ZCTA’s population located within Washtenaw County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Washtenaw County

ZIPCityCountyPopulationIncome
48103Ann ArborWashtenaw County54,635$115,513
48104Ann ArborWashtenaw County43,762$63,341
48105Ann ArborWashtenaw County36,959$94,737
48108Ann ArborWashtenaw County27,472$80,425
48109Ann ArborWashtenaw County5,722—
48111BellevilleWayne County44,193$74,125
48118ChelseaWashtenaw County13,088$87,934
48130DexterWashtenaw County16,849$131,875
48137GregoryLivingston County4,293$82,813
48158ManchesterWashtenaw County7,688$97,692
48160MilanWashtenaw County14,308$99,383
48167NorthvilleOakland County23,281$118,378
48168NorthvilleWayne County25,039$173,671
48169PinckneyLivingston County21,080$108,886
48170PlymouthWayne County40,573$109,442
48176SalineWashtenaw County23,325$110,987
48178South LyonOakland County37,303$130,781
48189Whitmore LakeWashtenaw County13,748$82,433
48190WhittakerWashtenaw County108$74,732
48191WillisWashtenaw County4,253$98,106
48197YpsilantiWashtenaw County65,911$70,913
48198YpsilantiWashtenaw County39,507$63,678
49229BrittonLenawee County3,538$92,150
49236ClintonLenawee County4,940$75,230
49240Grass LakeJackson County9,206$95,307
49285StockbridgeIngham County6,120$72,578
49287TiptonLenawee County2,122$87,411

USPS associates these ZIPs with Washtenaw County

These codes list Washtenaw County as a primary or acceptable city. They are not used for the ACS headline.