US ZIP Code
36421

Andalusia, AL

Mobile County  ·  Alabama

● Active
👥 9,861 Population
💰 $63,781 Median HH Income
▼ 16% below avg ↑ 50% since 2019
🎂 41.7 Median Age ↑ 13% since 2019
🏠 $156,400 Median Home Value
▼ 44% below avg ↑ 60% since 2019
🎓 35.6% College Grads
▼ 8% below avg
📊 2.5% Unemployment
▼ 49% below avg ↓ 73% since 2019
ZIP Code Details
ZIP Code36421
CityAndalusia
StateAlabama (AL)
CountyMobile County
Area Code334
Elevation287 ft
Latitude31.328718
Longitude-86.508335
TimezoneChicago (DST)
FIPS01039
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.8% (4,816) Female 51.2% (5,045) ♀

Race & Ethnicity

White: 83.8%Hispanic: 0.9%Black: 11.4%Asian: 0.6%Other: 3%Race
White83.8%
Hispanic0.9%
Black11.4%
Asian0.6%
Other3.0%

Age Breakdown

Under 5
6%
5–17
17%
18–24
7%
25–44
26%
45–64
24%
65+
10%

Key Indicators

Median Age41.7 yrs ↑ 13% since 2019
Avg Household Size2.61
Below Poverty12.9% ▲ 29% above avg
College Grads35.6% ▼ 8% below avg
Unemployment2.5% ▼ 49% below avg
No HS Diploma39 (0.6%)
HS Graduate2,120 (34.1%)
Some College870 (14%)
Associates968 (15.6%)
Bachelors1,055 (17%)
Graduate Degree1,158 (18.6%)

Education

No HS: 0.6%HS Grad: 34.1%Some College: 14%Associates: 15.6%Bachelors: 17%Graduate: 18.6%Edu
No HS0.6%
HS Grad34.1%
Some College14.0%
Associates15.6%
Bachelors17.0%
Graduate18.6%
Housing & Income

Housing Tenure

Owner: 79.2%Renter: 20.8%Tenure
Owner79.2%
Renter20.8%

Home Value Distribution

Under $50k
18%
$50k–100k
16%
$100k–150k
14%
$150k–200k
17%
$200k–300k
20%
$300k–500k
11%
Over $500k
4%

Financials

Median HH Income$63,781 ▼ 16% below avg ↑ 50% since 2019
Median Home Value$156,400 ▼ 44% below avg ↑ 60% since 2019
Home/Income Ratio2.5x (nat avg ~3.5x)
Median Rent$772/mo ↑ 30% since 2019
Total Units4,769
Vacant Units1,069
Avg HH Size2.61

Income Distribution

Under $25k
19%
$25k–50k
16%
$50k–75k
23%
$75k–100k
15%
$100k–150k
15%
$150k–200k
7%
Over $200k
5%
Employment & Commute

How People Get to Work

Drove Alone
98%
Work From Home
2%

Commute Time

Under 15 min
34%
15–30 min
41%
30–45 min
8%
Over 45 min
17%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
8%
1960s–1970s
16%
1980s–1990s
19%
2000+
57%

Summary

Total Units4,769
Vacant1,069
Owner Occupied79.2%
Renter Occupied20.8%
Avg HH Size2.61
Frequently Asked Questions
ZIP code 36421 is in Andalusia, AL, in Mobile County.
ZIP code 36421 is located in Alabama (AL).
ZIP code 36421 is in Mobile County, AL.
ZIP 36421 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 36421 is 9,861 people (ACS 2023).
The median household income in ZIP code 36421 is $63,781 (ACS 2023).
The median home value in ZIP 36421 is $156,400 (ACS 2023).
About ZIP Code 36421

ZIP code 36421 is located in Andalusia, Alabama, within Mobile County. With a population of 9,861, this is a lightly populated ZIP code with a middle-aged community — the median age is 41.7 years. Economically, 36421 is a solidly middle-class ZIP code: the median household income of $63,781 is below the national average.

Real estate in ZIP code 36421 represents an affordable housing market. The median home value of $156,400 is below the national average. Renters can expect to pay around $772 per month in median rent. Homeownership is strong here — 79.2% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 60% since 2019.

The population of 36421 is primarily White (83.76%). Residents are moderately educated — 35.6% hold a bachelor's degree or higher, which is near the national average. Poverty affects some residents at 12.9%. Household income has grown by 50% since 2019.

The unemployment rate in 36421 stands at 2.5%, which is below the national average. As in most parts of the country, driving alone is the dominant commute mode at 90%.

Overall, ZIP code 36421 in Andalusia, AL is characterized as solidly middle-class, moderately educated, a middle-aged community, and predominantly owner-occupied. With 9,861 residents, a median household income of $63,781, and a median home value of $156,400, it offers a clear picture of life in this part of Alabama.