Decatur, AL 35603 ZIP Code Profile

Related Place Profiles:
Decatur, AL

ZIP Code 35603: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Decatur, AL 35603

  • ZIP Code Type: STANDARD
  • County: Morgan County
  • Centroid: Latitude 34.547, Longitude -86.982
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes

ZIP Code 35603 has segments in 2 Counties (Lawrence, Morgan).

  • Businesses Addresses: 556
  • PO Box Addresses: 0
  • Residential Addresses: 13,409
    • Multi-Family Addresses: 1,466
    • Single Family Addresses: 11,943

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


35603 ZIP Code Map

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Decatur, AL 35603 Data & Demographics (As of July 1, 2017)


Total Population 30,718
Daytime Population: Workers 11,507
Daytime Population: Residents 16,354
Total Daytime Population (TDP) 27,861
Ratio TDP/Total Population1 0.91
Population in Households 30,611
Population in Familes 25,698
Population in Group Qrtrs 107
Population Density2 459
Diversity Index3 44


Median Household Income $54,721
Average Household Income $71,702
Per Capita Income $29,619


Total Housing Units 13,599 (100%)
Owner Occupied HU 8,556 (62.9%)
Renter Occupied HU 4,105 (30.2%)
Vacant Housing Units 938 ( 6.9%)
Median Home Value $171,033
Average Home Value $197,297


Total Households 12,661
Average Household Size 2.42
Family Households 8,783
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.16% 0.01%
Households 0.2% 0.03%
Families 0.0% -0.09%
Median Household Income   1.92%
Per Capita Income   2.47%

Decatur, AL 35603 - Peer Comparisons by Rank and Percentile

The table below compares 35603 to the other 614 ZIP Codes in Alabama by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 21 97th
Population Density # 109 82nd
Diversity Index # 238 61st
Median Household Income # 82 87th
Per Capita Income # 70 89th

Additional comparisons and rankings can be made with a VERY EASY TO USE Alabama Census Data Comparison Tool.

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