Postal Codes

32421 ZIP Code

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ZIP code 32421 covers Altha, Florida, with a population of about 4,277 and a median household income of $45,536.

Population
4,27734 per square mile
Median age
43.54.8 points above the US average
Median household income
$45,53637% below the Florida median
Poverty rate
21.9%9.5 points above the US average
Typical home value
$190,867up 13.5% in five years
Median rent
$80349% below the Florida median
Degree or higher
12.4%22.6 points below the US average
Homeownership
81.8%16.8 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
41

Where 32421 is

Altha, Florida — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population4,277
Median age43.5
Family households69.9%
Born outside the US2%
Speaks a language other than English at home2%
White (non-Hispanic)91.1%
Black (non-Hispanic)1.9%
Asian (non-Hispanic)0.7%
Hispanic or Latino0.1%
Veterans14.8%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$45,536
Income per person$23,561
Poverty rate21.9%
Households on SNAP or cash assistance28.9%

Household income distribution

Under $10k7.7%
$10–15k7.3%
$15–20k4.2%
$20–25k9.5%
$25–30k5.2%
$30–35k7.4%
$35–40k2.1%
$40–45k6.3%
$45–50k7.6%
$50–60k9.8%
$60–75k5.8%
$75–100k11.8%
$100–125k8.0%
$125–150k1.2%
$150–200k4.5%
$200k or more1.7%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed1,720
Mean adjusted gross income$52,185
Returns declaring $200,000 or more1.7%
Returns, under $25k32.6%
Returns, $25k–$50k28.5%
Returns, $50k–$75k16.9%
Returns, $75k–$100k9.3%
Returns, $100k–$200k11.0%
Returns, $200k or more1.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$115,600
Median gross rent$803
Owner-occupied81.8%
Vacant homes15.9%
Median year built1992

What the homes are

Detached house52.9%
Attached house0.8%
2 to 4 units2.1%
5 to 19 units0.8%
Mobile home43.1%
Boat, RV or van0.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$190,867as of 2026-07
Typical home value, 1 yeardown 1.6%
Typical home value, 5 yearsup 13.5%
Typical home value, 10 yearsup 85.3%
Typical home value since 2000
200920172026$200,093$94,087

$107,335 in 2009 to $190,867 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.3%
Bachelor's degree or higher12.4%
High school diploma or higher81.4%
Works from home6.4%
Drives to work alone77.5%
Takes public transport0%
Commutes 45 minutes or more38.7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity39.2% 5.8 pts above the national average of 33.4%
Diagnosed diabetes15% 3 pts above the national average of 12%
Currently smokes20.1% 6.9 pts above the national average of 13.2%
High blood pressure40.2% 6.1 pts above the national average of 34.1%
Fair or poor general health25.1% 4.8 pts above the national average of 20.3%
No health insurance (18–64)13.5% 2.2 pts above the national average of 11.3%
Depression21.5% same as the national average of 21.9%
No leisure-time physical activity30.8% 5.4 pts above the national average of 25.4%
Arthritis32.9% 7.8 pts above the national average of 25.1%
Binge drinking13.9% 2.1 pts below the national average of 16%
Taking blood pressure medication78.8% 4.1 pts above the national average of 74.7%
Cancer (non-skin)10.3% 2.6 pts above the national average of 7.7%
Current asthma11% 0.6 pts above the national average of 10.4%
Coronary heart disease9.3% 3.1 pts above the national average of 6.2%
Routine check-up in past year78.2% 1.5 pts above the national average of 76.7%
Cholesterol screening84.4% 1.5 pts below the national average of 85.9%
Cognitive disability17.6% 2.8 pts above the national average of 14.8%
Colorectal screening63.3% 1 pts below the national average of 64.3%
COPD11.8% 5.2 pts above the national average of 6.6%
Visited a dentist49.3% 12 pts below the national average of 61.3%
Any disability38.4% 7.7 pts above the national average of 30.7%
Hearing disability9.3% 2.6 pts above the national average of 6.7%
High cholesterol42.5% 6.3 pts above the national average of 36.2%
Independent living disability10.9% 2.5 pts above the national average of 8.4%
Mammography use69.1% 6.8 pts below the national average of 75.9%
Poor mental health (14+ days)19.6% 2.8 pts above the national average of 16.8%
Mobility disability19.5% 5.5 pts above the national average of 14%
Poor physical health (14+ days)18.2% 4.7 pts above the national average of 13.5%
Self-care disability5.5% 1.5 pts above the national average of 4%
Sleeps under 7 hours38.9% 2.5 pts above the national average of 36.4%
Stroke4.7% 1.3 pts above the national average of 3.4%
All natural teeth lost20.3% 7.3 pts above the national average of 13%
Vision disability7% 1.4 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments41
People employed205
Annual payroll$8,324,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 83.7% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 3 census tracts this ZIP code covers
Expected annual loss83.1 out of 100
Community resilience12.9 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hurricane96.2Very High at its worst in this ZIP code
Strong wind94.9Very High at its worst in this ZIP code
Lightning94.6Very High at its worst in this ZIP code
Drought92.8Relatively Moderate at its worst in this ZIP code
Wildfire88.6Relatively Moderate at its worst in this ZIP code
Tornado87.4Relatively High at its worst in this ZIP code
Cold wave74.1Relatively High at its worst in this ZIP code
River flooding66.1Relatively High at its worst in this ZIP code
Landslide61.9Very Low at its worst in this ZIP code
Heat wave58.1Relatively Moderate at its worst in this ZIP code
Coastal flooding44.6Very Low at its worst in this ZIP code
Hail44.6Relatively Low at its worst in this ZIP code
Earthquake31.1Relatively Low at its worst in this ZIP code
Winter weather28.1Relatively Low at its worst in this ZIP code
Compared with Florida and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPFloridaUnited States
Median household income$45,536$71,711$78,538
Income per person$23,561$41,055$43,289
Poverty rate21.9%12.6%12.4%
Median home value$115,600$325,000$303,400
Median gross rent$803$1,564$1,348
Homeownership81.8%67.3%65%
Bachelor's degree or higher12.4%33.2%35%
Unemployment rate3.3%4.8%5.2%
Works from home6.4%13.9%13.5%
Born outside the US2%21.4%13.9%
Median age43.542.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationMARIANNA MUNI AP, FL US33.8 km away
Rain in a year51 in

Average high and low by month

January62.9°F / 40.7°F4.04 in rain
February67.1°F / 43.8°F4.49 in rain
March73.7°F / 49.2°F5.01 in rain
April80.1°F / 55.1°F3.72 in rain
May87.5°F / 64.2°F3.15 in rain
June91.2°F / 71.1°F5.07 in rain
July92.4°F / 73°F5.1 in rain
August91.4°F / 72.8°F4.93 in rain
September88.7°F / 68.6°F4.06 in rain
October81.1°F / 58°F3.06 in rain
November71.7°F / 47.4°F3.67 in rain
December64.7°F / 43°F4.81 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket10% of this ZIP code's area
No vehicle and far from a supermarket10% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Calhoun County School District100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability56more vulnerable than 56% of US census tracts
Socioeconomic status60more vulnerable than 60% of US census tracts
Household characteristics58more vulnerable than 58% of US census tracts
Racial and ethnic minority status20more vulnerable than 20% of US census tracts
Housing type and transport56more vulnerable than 56% of US census tracts
Walkability3.5 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

32449 Wewahitchka, FL14.2 km away
32424 Blountstown, FL14.6 km away
32448 Marianna, FL16.4 km away
32430 Clarksville, FL19.6 km away
32432 Cypress, FL22.3 km away
32420 Alford, FL23.1 km away
32321 Bristol, FL24.7 km away
32442 Grand Ridge, FL24.9 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Calhoun County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area125.51 sq mi
Water area0.86 sq mi
Population density34 people per sq mi
Latitude, longitude30.5319, -85.1704

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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