PlainZIP

Dauphin Island, AL · standard

ZIP Code 36528

Mobile County, Alabama - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

1,237
76/sq mi
$67,206
Median income
$432,200
Median home value
42.4%
Bachelor's or higher

The verdict

Dauphin Island pairs a below-median household income with upper-quartile home values, in a rural, homeowner-dominated area.

42th pct
household income, US ZIPs
Top 18%
home value, US ZIPs
76
people per sq mi
98%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 36528 against every reporting US ZIP.

ZIP code 36528 is a sparsely populated ZIP (a standard USPS delivery area) in Dauphin Island, Mobile County, Alabama, home to just 1,237 residents across 16.3 square miles, a density of 76 people per square mile, in the Chicago time zone.

ZIP 36528 reports a modest median household income of $67,206 (10% above the Alabama average), while per-capita income is $57,139. The poverty rate stands at 6.6% and the unemployment rate at 14.3%. The typical home here is valued at $432,200 (144% above the state average); renters pay a median of $1,844 monthly, and 97.5% of units are owner-occupied.

A solid share of residents have a four-year degree: 42.4% of adults hold a bachelor's degree or higher, the median age is 62.2, and the average commute is -. Beyond these figures, 2 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Mobile County, letting you compare 36528 to its immediate surroundings rather than a national baseline alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 36528

Top 5 sectors by establishment count in Dauphin Island, AL

Which industries have the most business establishments in ZIP 36528.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 36528, Dauphin Island, AL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

1,237

Population

16.3

Area (sq mi)

76

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 36528?

62.2

Median Age

50.5%

Male

49.5%

Female

0.6%

Foreign-Born

White 92.9%
African American 1.8%
Asian 0.0%
American Indian or Alaska Native 0.3%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.0%
Hispanic or Latino 4.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$67,206

Median Household Income

+10% vs state

$57,139

Per Capita Income

6.6%

Poverty Rate

14.3%

Unemployment Rate

How ZIP 36528 ranks nationally

Dauphin Island, AL household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$67,206 42nd percentile higher than 42% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 60.9%
Bachelor's Degree or Higher 42.4%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

2,262

Total Housing Units

872

Occupied Units

1,390

Vacant Units

2.11

Avg Household Size

Occupancy Type

Owner 97.5%
Renter 2.5%

$432,200

Median Home Value

+144% vs state

$1,844

Median Rent

1993

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

-8.2%

YoY Change (2024)

322

HPI Index (2000 = 100)

+222%

Total Change Since 2000

Home values in ZIP 36528 have decreased 8.2% over the past year (2024). Since 2000, this ZIP has seen +222% cumulative appreciation.

Year Annual Change HPI Index
2020 +8.3% 210
2021 +15.2% 242
2022 +31.4% 318
2023 +10.2% 351
2024 -8.2% 322

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 52 business establishments in ZIP 36528, employing approximately 518 people with a combined annual payroll of $19,782,000.

52

Businesses

518

Employees

$19.8M

Annual Payroll

6

Industry Sectors

Industry Establishments % of Total
Accommodation and food services 14 26.9%
Real estate and rental and leasing 11 21.1%
Retail trade 9 17.3%
Transportation and warehousing 4 7.7%
Professional, scientific, and technical services 4 7.7%
Other services (except public administration) 3 5.8%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 36528 vs 36523 →

ZIP 36528 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 36528 ranks #3 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 36528 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 36528 ranks the highest of 3 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
36523 Coden, AL 2,818 8.7 mi
36509 Bayou La Batre, AL 1,983 12.5 mi

More ZIP Codes in Mobile County

36695 standard
Mobile, AL
Pop: 45,118
36608 standard
Mobile, AL
Pop: 36,864
36605 standard
Mobile, AL
Pop: 30,111
36609 standard
Mobile, AL
Pop: 25,846
36582 standard
Theodore, AL
Pop: 24,624
36606 standard
Mobile, AL
Pop: 18,733

Related Areas

Mobile County Dauphin Island, AL Alabama

Frequently Asked Questions

What county is ZIP code 36528 in? ▼
ZIP code 36528 (Dauphin Island) is located in Mobile County, Alabama. Mobile County contains multiple ZIP codes, see the full list at /counties/mobile-al.
What is the population of ZIP code 36528? ▼
ZIP code 36528 in Dauphin Island, AL has a population of 1,237 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 36528? ▼
The median household income in ZIP 36528 is $67,206, which is 12% below the national average of $76,288.
What is the average home value in ZIP 36528? ▼
The median home value in ZIP 36528 is $432,200, which is 55% above the national average of $278,155.
What is the demographic makeup of ZIP 36528? ▼
The largest racial group in ZIP 36528 is White at 92.9%. Hispanic or Latino residents make up 4.4% of the population.
How many businesses are in ZIP code 36528? ▼
ZIP code 36528 has 52 business establishments employing approximately 518 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 36528? ▼
The top industries by establishment count in ZIP 36528 are: Accommodation and food services (14), Real estate and rental and leasing (11), Retail trade (9). There are 6 industry sectors represented in total.
How have home values changed in ZIP code 36528? ▼
According to the FHFA House Price Index, home values in ZIP 36528 decreased by 8.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 222%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 36528? ▼
In ZIP code 36528, 60.9% of residents aged 25+ have a high school diploma or higher, and 42.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 36528? ▼
In ZIP code 36528, approximately 97.5% of occupied housing units are owner-occupied and 2.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 36528? ▼
The poverty rate in ZIP code 36528 is 6.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.