Dauphin Island, AL 36528 ZIP Code Profile

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Dauphin Island, AL

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ZIP Code 36528: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Dauphin Island, AL 36528

Acceptable Alternative
Dauphin Isl, AL 36528

  • ZIP Code Type: STANDARD
  • County: Mobile County
  • Centroid: Latitude 30.251, Longitude -88.129
  • Time Zone: Central Time Zone (UTC -6 hours)
  • Observes DST: Yes
  • Businesses Addresses: 100
  • PO Box Addresses: 383
  • Residential Addresses: 791
    • Multi-Family Addresses: 73
    • Single Family Addresses: 718

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

EXTREMELY LOCAL Demographic Data

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36528 ZIP Code Map

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Dauphin Island, AL 36528 Data & Demographics (As of July 1, 2017)


Total Population 1,396
Daytime Population: Workers 516
Daytime Population: Residents 790
Total Daytime Population (TDP) 1,306
Ratio TDP/Total Population1 0.94
Population in Households 1,382
Population in Familes 1,061
Population in Group Qrtrs 14
Population Density2 233
Diversity Index3 8


Median Household Income $61,526
Average Household Income $84,575
Per Capita Income $40,296


Total Housing Units 2,003 (100%)
Owner Occupied HU 536 (26.8%)
Renter Occupied HU 126 ( 6.3%)
Vacant Housing Units 1,341 (66.9%)
Median Home Value $259,589
Average Home Value $314,366


Total Households 662
Average Household Size 2.09
Family Households 417
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 1.68% 1.15%
Households 1.82% 1.21%
Families 1.55% 1.03%
Median Household Income   2.67%
Per Capita Income   3.04%

Dauphin Island, AL 36528 - Peer Comparisons by Rank and Percentile

The table below compares 36528 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 # 476 23rd
Population Density # 161 74th
Diversity Index # 600 2nd
Median Household Income # 50 92nd
Per Capita Income # 20 97th

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

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