Home > AL > Morgan County > Decatur > Zip 35603

Zip Code 35603 — Decatur, AL

35603 is a ZIP Code associated with Decatur, AL, located within Morgan. The postal region supports an estimated population of 32,179 residents across Data Pending housing units, with a population density of 174.9 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (34.537120, -86.967170)

Data MetricLocal Statistic
Postal / Zip Code35603
Primary CityDecatur
State / ProvinceAL
CountyMorgan
Total Population32,179
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density174.9 people/sq mi
TimezoneAmerica/Chicago

How 35603 Compares

MetricZIP 35603Morgan CountyAL State Average
Population32,179118,9745,086,600
Median IncomeData PendingN/AN/A
Population Density174.9 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 35601Decatur5.3 mi35,449N/A
Zip 35640Hartselle6.8 mi27,344N/A
Zip 35649Mooresville7.6 mi81N/A
Zip 35671Tanner9.0 mi2,267N/A
Zip 35673Trinity10.0 mi7,250N/A

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 →