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 Moderate-density area
- $67,206
- Median income Near-median income area
- $432,200
- Median home value Above-median home value
- 42.4%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Dauphin Island pairs a below-median household income with upper-quartile home values, in a rural, homeowner-dominated area.
- 42nd 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.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 36528 (Dauphin Island, AL) fell -8.2% from 2023 to 2024. The all-transactions index moved from 350.7 in 2023 to 321.9 in 2024 (2000 = 100).
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 average Alabama ZIP), while per-capita income is $57,139. Unemployment is 14.3%, an important qualifier alongside the household-income figure. Housing is both higher-cost and owner-heavy: median home value is $432,200 (144% above the average Alabama ZIP), while 97.5% of occupied homes are owner-occupied and median rent is $1,844.
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 -. The page also surfaces 2 ZIP codes within roughly 10 miles and 6 more in Mobile County, so 36528 can be compared with both its immediate and county-level context.
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.
- Accommodation and food services
Accommodation and food services
14 establishments
- Real estate and rental and leasing
Real estate and rental and leasing
11 establishments
- Retail trade
Retail trade
9 establishments
- Transportation and warehousing 4
Transportation and warehousing
4 establishments
- Professional, scientific, and technical services 4
Professional, scientific, and technical services
4 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, 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
Who lives in ZIP 36528?
62.2
Median Age
50.5%
Male
49.5%
Female
0.6%
Foreign-Born
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 ZIP avg
$57,139
Per Capita Income
6.6%
Poverty Rate
14.3%
Unemployment Rate
How ZIP 36528 ranks among Alabama ZIPs
Dauphin Island, AL household income vs. every Alabama ZIP code
Median household income among 587 reporting Alabama ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$67,206 Top 31% higher than 69% of 587 Alabama ZIPs
Each bar is a $20K-wide band; taller bars hold more Alabama 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
2,262housing units
2,262
Total Housing Units
872
Occupied Units
1,390
Vacant Units
2.11
Avg Household Size
Occupancy Type
$432,200
Median Home Value
+144% vs state ZIP avg
$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.
- 36523
Coden (36523)
2,818 residents
- 36509
Bayou La Batre (36509)
1,983 residents
- 36528
Dauphin Island (36528)
1,237 residents
What this shows Among its immediate neighbors, ZIP 36528 ranks #3 by population - useful context the national average alone can't give.
ZIP 36528 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 36528
Dauphin Island (36528)
$67,206 median income
- 36523
Coden (36523)
$61,607 median income
- 36509
Bayou La Batre (36509)
$33,488 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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 36528, both outside AL so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,237 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Mobile County
Related Areas
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.
Related
Take this with you
What to do with ZIP 36528's numbers, next.
- See how ZIP 36528 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Dauphin Island, AL ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.