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Alabama ZIP Codes
Covington County
Andalusia, AL
36421
36421 ZIP Code — Andalusia, AL
Covington County, Alabama
ZIP code 36421 is located in
Andalusia ,
Alabama ,
within Covington County .
It covers approximately 213.38 square miles and serves a population of
9,717 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 334 .
About ZIP code 36421
The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $147,700. Owner-occupancy is high at 76%, well above the national average.
Median household income is $57,018. 43% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.
College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of obesity (45%), smoking (22%) compared to national benchmarks.
Overall, ZIP code 36421 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.
36421 ZIP code map
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Cities in ZIP code 36421
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
9,717
Population density
46 / sq mi
State FIPS
01
County FIPS
039
Geography
Land area
213.38 sq mi
Water area
4.87 sq mi
Latitude
31.3354
Longitude
-86.4088
Timezone
Central (CT)
Area code
334
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
53.0%
56.2%
48.3%
$50k – $100k
29.4%
28.2%
29.3%
$100k – $200k
15.0%
13.3%
18.0%
Over $200k
2.5%
2.4%
4.4%
Demographics & statistics
$57,018
Median household income
$147,700
Median home value
16.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 2,366 24.3%
18 and over 7,351 75.7%
65 and over 1,998 20.6%
Median age 40.7 years
Race & ethnicity
Black or African American
12%
American Indian / Alaska Native
0.7%
Group Count %
White 8,040 82.4%
Black or African American 1,174 12%
Two or more races 366 3.7%
American Indian / Alaska Native 68 0.7%
Asian 56 0.6%
Hispanic or Latino 46 0.5%
Other race 13 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
53.0%
56.2%
48.3%
$50k – $100k
29.4%
28.2%
29.3%
$100k – $200k
15.0%
13.3%
18.0%
Over $200k
2.5%
2.4%
4.4%
Range % of households
Under $10k 7.6%
$10k–$15k 6.2%
$15k–$25k 8.0%
$25k–$35k 9.4%
$35k–$50k 10.4%
$50k–$75k 22.7%
$75k–$100k 12.3%
$100k–$150k 13.3%
$150k–$200k 5.2%
$200k+ 5.0%
Median income $57,018
Housing
Housing overview
Metric Value
Median home value $147,700
Median rent / month $723
Owner occupied 76.3%
Renter occupied 23.7%
Vacant 26.6%
Single-family detached 62.7%
Large apartment buildings 0.3%
Mobile homes 30.7%
Median rooms 5.3
Avg household size (owned) 2.70
Year built
Era %
2020 or later 0.9%
2010–2019 10.2%
2000–2009 11.8%
1990–1999 24.6%
1980–1989 16.7%
1970–1979 14.5%
1960–1969 5.2%
1950–1959 7.6%
1940–1949 3.8%
1939 or earlier 4.7%
Bedrooms
Size % of units
No bedroom (studio) 2.3%
1 bedroom 2.5%
2 bedrooms 19.2%
3 bedrooms 59.4%
4 bedrooms 15.5%
5+ bedrooms 1.2%
Vehicles per household
Vehicles % of households
No vehicle 8.5%
1 vehicle 26.1%
2 vehicles 36.9%
3 or more 28.6%
Heating fuel
Fuel type %
Utility gas 11.7%
Electricity 82.0%
Propane / LP gas 5.1%
Wood 1.1%
No fuel used 0.1%
Households & families
Household type Count %
Married-couple family 1,856 51.0%
Cohabiting couple 147 4.0%
Male householder, no spouse 633 17.4%
Female householder, no spouse 1,000 27.5%
Households with children under 18 1,289 35.5%
Households with seniors (65+) 1,342 36.9%
Average household size 2.61
Marital status
Status Male Female
Never married 30.5% 27.9%
Married 51.7% 45.9%
Separated 0.8% 3.7%
Widowed 4.6% 8.4%
Divorced 12.4% 14.0%
Education
Some HS, no diploma
10.0%
Some college, no degree
21.2%
Graduate / professional
6.2%
Metric %
HS diploma or higher 86.9%
Bachelor's or higher 16.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 11 0.5%
Kindergarten 85 4.1%
Elementary school 1,061 51.1%
High school 679 32.7%
College / grad school 239 11.5%
Employment
Industry of employment
Education & healthcare
25.2%
Transportation & utilities
9.6%
Arts, food & hospitality
6.2%
Professional & management
5.4%
Public administration
4.9%
Agriculture & mining
3.7%
Finance & real estate
3.1%
Occupation
Category %
Management, business & arts 37.8%
Service 10.7%
Sales & office 20.4%
Natural resources & construction 11.6%
Production & transportation 19.5%
Employment type
Type %
Private sector 78.5%
Government 15.3%
Self-employed 5.7%
Unpaid family workers 0.4%
Commute
Method %
Drive alone 89.1%
Carpool 7.9%
Public transit 0.0%
Walk 0.0%
Work from home 1.3%
Other means 1.6%
Avg commute (minutes) 25.1
Poverty
Married-couple families
4.4%
Female-led households
42.9%
Income support
Source % of households
Social Security 43.1%
Retirement income 22.0%
Supplemental Security 5.4%
Cash public assistance 0.8%
Food stamps / SNAP 11.5%
Health indicators
Condition %
Obesity 45.0%
High blood pressure 44.4%
High cholesterol 39.5%
Diabetes 14.0%
Heart disease 8.7%
Stroke 4.2%
Asthma 10.0%
Arthritis 34.0%
Kidney disease 3.7%
Pulmonary disease 10.7%
Cancer 7.2%
Behavior / access %
Smoking 21.5%
Binge drinking 13.7%
No physical activity 29.6%
Less than 7 hrs sleep 36.4%
Depression 26.5%
Fair or poor health 22.0%
Poor mental health 16.9%
Poor physical health 13.8%
No health insurance 16.2%
Visited doctor (checkup) 76.2%
Visited dentist 57.3%
Cholesterol screening 89.8%
Teeth loss 18.2%
Veterans & disability
Veterans Count %
Civilian veterans 768 10.4%
Disability %
Any disability 17.8%
Under 18 2.1%
18–64 years 17.3%
65 and over 37.7%
Health insurance coverage
Type %
Private insurance 69.2%
Public insurance 41.5%
No insurance 5.5%
Uninsured under 19 1.1%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 9,180 94.5%
Spanish 20 0.2%
Other Indo-European 20 0.2%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 9,651 99.3%
Born in same state 9,618 99.0%
Born in different state 7,708 79.3%
Foreign born 33 0.3%
Naturalized citizen 66 0.7%
Not a US citizen 48 72.7%
Ancestry
Ancestry Count %
Arab 1,386 14.3%
Italian 845 8.7%
French 837 8.6%
Ancestry Count %
Irish 27 0.3%
English 17 0.2%
Polish 7 0.1%
Technology access
Metric % of households
Computer access 37.4%
Internet access 87.7%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 36421
What city is ZIP code 36421 in?
ZIP code 36421 is primarily assigned to Andalusia, Alabama.
What county is ZIP code 36421 in?
ZIP code 36421 falls within Covington County, Alabama.
Does ZIP code 36421 have a large retiree population?
43% of households in ZIP code 36421 receive Social Security income, suggesting a significant retiree or disability population.
What is the poverty rate in ZIP code 36421?
16% of residents in ZIP code 36421 live below the poverty line, above the national average.
What is the typical home value in ZIP code 36421?
The median home value in ZIP code 36421 is $147,700.
Does ZIP code 36421 have a large veteran population?
10% of civilians in ZIP code 36421 are veterans, above the national average of ~7%.
What timezone is ZIP code 36421 in?
ZIP code 36421 observes the CST timezone.
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