Postal Codes

33584 ZIP Code

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ZIP code 33584 covers Seffner, Florida, with a population of about 27,172 and a median household income of $68,330.

Population
27,1721,416 per square mile
Median age
41.83.1 points above the US average
Median household income
$68,330about the Florida median
Poverty rate
15.8%3.4 points above the US average
Typical home value
$361,154up 28.1% in five years
Median rent
$1,37912% below the Florida median
Degree or higher
25.8%9.2 points below the US average
Homeownership
75%10 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
510

Where 33584 is

Seffner, 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

Population27,172
Median age41.8
Family households68.7%
Born outside the US12.5%
Speaks a language other than English at home26%
White (non-Hispanic)49.8%
Black (non-Hispanic)15.7%
Asian (non-Hispanic)6.2%
Hispanic or Latino24%
Veterans8.9%
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$68,330
Income per person$34,038
Poverty rate15.8%
Households on SNAP or cash assistance17.5%

Household income distribution

Under $10k7.7%
$10–15k1.6%
$15–20k2.0%
$20–25k3.0%
$25–30k3.1%
$30–35k4.9%
$35–40k5.5%
$40–45k3.9%
$45–50k6.5%
$50–60k6.9%
$60–75k10.0%
$75–100k14.5%
$100–125k9.7%
$125–150k5.0%
$150–200k9.6%
$200k or more6.2%

Income as declared to the IRS

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

Tax returns filed14,040
Mean adjusted gross income$63,946
Returns declaring $200,000 or more3.7%
Returns, under $25k30.2%
Returns, $25k–$50k28.1%
Returns, $50k–$75k15.5%
Returns, $75k–$100k9.0%
Returns, $100k–$200k13.6%
Returns, $200k or more3.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$280,700
Median gross rent$1,379
Rent as a share of household income33.4%
Owner-occupied75%
Vacant homes7.6%
Median year built1985

What the homes are

Detached house79.4%
Attached house2%
2 to 4 units5%
5 to 19 units1.4%
20 or more units0.2%
Mobile home11.6%
Boat, RV or van0.4%
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$361,154as of 2026-07
Typical home value, 1 yeardown 0.6%
Typical home value, 5 yearsup 28.1%
Typical home value, 10 yearsup 108.7%
Typical asking rent$2,218as of 2026-07
Typical asking rent, 1 yearup 4.4%
Typical asking rent, 5 yearsup 41.1%
Typical home value since 2000
200020132026$372,228$112,649

$112,649 in 2000 to $361,154 in 2026.

Typical asking rent
202120232026$2,218$1,572

$1,572 in 2021 to $2,218 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.8%
Bachelor's degree or higher25.8%
High school diploma or higher87.7%
Works from home17.6%
Drives to work alone69.8%
Takes public transport0.3%
Commutes 45 minutes or more18.8%
Health

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

Obesity32.9% 0.5 pts below the national average of 33.4%
Diagnosed diabetes13.3% 1.3 pts above the national average of 12%
Currently smokes14.9% 1.7 pts above the national average of 13.2%
High blood pressure36.4% 2.3 pts above the national average of 34.1%
Fair or poor general health21.7% 1.4 pts above the national average of 20.3%
No health insurance (18–64)16.7% 5.4 pts above the national average of 11.3%
Depression17.8% 4.1 pts below the national average of 21.9%
No leisure-time physical activity26.1% 0.7 pts above the national average of 25.4%
Arthritis24.4% 0.7 pts below the national average of 25.1%
Binge drinking16.2% same as the national average of 16%
Taking blood pressure medication75.5% 0.8 pts above the national average of 74.7%
Cancer (non-skin)7.6% same as the national average of 7.7%
Current asthma10% same as the national average of 10.4%
Coronary heart disease6.7% 0.5 pts above the national average of 6.2%
Routine check-up in past year76.4% same as the national average of 76.7%
Cholesterol screening84.7% 1.2 pts below the national average of 85.9%
Cognitive disability15.3% 0.5 pts above the national average of 14.8%
Colorectal screening62.8% 1.5 pts below the national average of 64.3%
COPD7.5% 0.9 pts above the national average of 6.6%
Visited a dentist54.2% 7.1 pts below the national average of 61.3%
Any disability32.4% 1.7 pts above the national average of 30.7%
Hearing disability6.7% same as the national average of 6.7%
High cholesterol40.8% 4.6 pts above the national average of 36.2%
Independent living disability8.9% 0.5 pts above the national average of 8.4%
Mammography use77% 1.1 pts above the national average of 75.9%
Poor mental health (14+ days)17.9% 1.1 pts above the national average of 16.8%
Mobility disability15% 1 pts above the national average of 14%
Poor physical health (14+ days)14.8% 1.3 pts above the national average of 13.5%
Self-care disability4.4% same as the national average of 4%
Sleeps under 7 hours39.8% 3.4 pts above the national average of 36.4%
Stroke3.6% same as the national average of 3.4%
All natural teeth lost14.4% 1.4 pts above the national average of 13%
Vision disability6.4% 0.8 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments510
People employed7,440
Annual payroll$380,854,000
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 56.4% of US census tracts
FEMA ratingRelatively Low to Relatively Moderate across the 11 census tracts this ZIP code covers
Expected annual loss61 out of 100
Community resilience26.9 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.

Hurricane91Relatively High at its worst in this ZIP code
Wildfire86.3Relatively Moderate at its worst in this ZIP code
Cold wave82.1Relatively High at its worst in this ZIP code
Tornado79.5Relatively High at its worst in this ZIP code
Lightning74.3Relatively High at its worst in this ZIP code
Hail70.3Relatively Moderate at its worst in this ZIP code
Landslide66.3Very Low at its worst in this ZIP code
Drought64.6Relatively Moderate at its worst in this ZIP code
Heat wave41.8Relatively Moderate at its worst in this ZIP code
Coastal flooding41.6Relatively Low at its worst in this ZIP code
River flooding35.1Relatively Moderate at its worst in this ZIP code
Strong wind23.7Relatively Low at its worst in this ZIP code
Earthquake7.8Very 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$68,330$71,711$78,538
Income per person$34,038$41,055$43,289
Poverty rate15.8%12.6%12.4%
Median home value$280,700$325,000$303,400
Median gross rent$1,379$1,564$1,348
Homeownership75%67.3%65%
Bachelor's degree or higher25.8%33.2%35%
Unemployment rate2.8%4.8%5.2%
Works from home17.6%13.9%13.5%
Born outside the US12.5%21.4%13.9%
Median age41.842.638.7
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 stationPLANT CITY, FL US14.8 km away
Rain in a year56 in

Average high and low by month

January74.8°F / 50°F3 in rain
February77.8°F / 52.8°F2.33 in rain
March81.4°F / 55.9°F2.78 in rain
April86.2°F / 60.9°F2.88 in rain
May90.8°F / 66.6°F4.04 in rain
June92.9°F / 71.9°F9.71 in rain
July93.8°F / 73.4°F8.65 in rain
August93.5°F / 73.7°F8.85 in rain
September92.1°F / 72.4°F6.99 in rain
October87.3°F / 66.1°F2.58 in rain
November80.9°F / 57.9°F1.76 in rain
December76.8°F / 53.3°F2.54 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 supermarket42% of this ZIP code's area
Far from a supermarket75% of this ZIP code's area
No vehicle and far from a supermarket8% 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%.

Hillsborough 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 vulnerability69more vulnerable than 69% of US census tracts
Socioeconomic status69more vulnerable than 69% of US census tracts
Household characteristics72more vulnerable than 72% of US census tracts
Racial and ethnic minority status61more vulnerable than 61% of US census tracts
Housing type and transport55more vulnerable than 55% of US census tracts
Walkability7.2 out of 20Below average
Nearby ZIP codes

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

33550 Mango, FL2.4 km away
33510 Brandon, FL4.2 km away
33509 Brandon, FL6 km away
33508 Brandon, FL6.8 km away
33527 Dover, FL7.1 km away
33594 Valrico, FL7.2 km away
33595 Valrico, FL7.8 km away
33592 Thonotosassa, FL8 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.

Hillsborough County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area19.19 sq mi
Water area0.66 sq mi
Population density1,416 people per sq mi
Latitude, longitude27.9922, -82.2863

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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