PlainZIP

Seffner, FL · standard

ZIP Code 33584

Hillsborough County, Florida - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

25,392
458/sq mi
$72,267
Median income
$311,300
Median home value
25.7%
Bachelor's or higher

The verdict

Seffner pairs an above-median household income with above-median home values, in a low-density, homeowner-dominated area.

Top 50%
household income, US ZIPs
Top 32%
home value, US ZIPs
458
people per sq mi
75%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 33584 against every reporting US ZIP.

ZIP code 33584 is a densely settled ZIP (a standard USPS delivery area) in Seffner, Hillsborough County, Florida, with 25,392 residents across 55.5 square miles, a density of 458 people per square mile, in the New York time zone.

ZIP 33584 lands in the middle-income range, with a median household income of $72,267 (6% below the Florida average), while per-capita income is $36,959. 11.3% of residents live below the poverty line, and the unemployment rate reads 4.4%. Median home value sits at $311,300 (17% below the state average), median rent at $1,502 a month, and owner-occupancy at 75.3%.

Educational attainment sits below the national norm: 25.7% of adults hold a bachelor's degree or higher, the median age is 42.3, and the average commute is 29 minutes. A geography-based comparison follows: 10 ZIP codes within about 10 miles of 33584, plus 6 more within Hillsborough County, give a clearer read than the national average alone.

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 33584

Top 5 sectors by establishment count in Seffner, FL

Which industries have the most business establishments in ZIP 33584.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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 33584, Seffner, FL · 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

25,392

Population

55.5

Area (sq mi)

458

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 33584?

42.3

Median Age

48.3%

Male

51.7%

Female

13.7%

Foreign-Born

White 54.9%
African American 13.4%
Asian 5.4%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.1%
Two or More Ethnicities 18.8%
Hispanic or Latino 25.7%

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?

$72,267

Median Household Income

-6% vs state

$36,959

Per Capita Income

11.3%

Poverty Rate

4.4%

Unemployment Rate

28.5 min

Mean Commute Time

How ZIP 33584 ranks nationally

Seffner, FL household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$72,267 Top 50% higher than 50% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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?

High School Graduate or Higher 56.3%
Bachelor's Degree or Higher 25.7%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

11,123

Total Housing Units

10,462

Occupied Units

661

Vacant Units

2.72

Avg Household Size

Occupancy Type

Owner 75.3%
Renter 24.7%

$311,300

Median Home Value

-17% vs state

$1,502

Median Rent

1985

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

-0.6%

YoY Change (2024)

350

HPI Index (2000 = 100)

+250%

Total Change Since 2000

Home values in ZIP 33584 have decreased 0.6% over the past year (2024). Since 2000, this ZIP has seen +250% cumulative appreciation.

Year Annual Change HPI Index
2020 +3.8% 212
2021 +20.3% 255
2022 +21.5% 310
2023 +13.8% 352
2024 -0.6% 350

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 517 business establishments in ZIP 33584, employing approximately 7,837 people with a combined annual payroll of $421,451,000.

517

Businesses

7,837

Employees

$421.5M

Annual Payroll

14

Industry Sectors

Industry Establishments % of Total
Construction 103 19.9%
Retail trade 79 15.3%
Accommodation and food services 52 10.1%
Other services (except public administration) 41 7.9%
Administrative and support and waste management and remediation services 40 7.7%
Health care and social assistance 39 7.5%
Professional, scientific, and technical services 34 6.6%
Finance and insurance 33 6.4%
Real estate and rental and leasing 23 4.5%
Transportation and warehousing 22 4.3%
Wholesale trade 21 4.1%
Manufacturing 10 1.9%
Arts, entertainment, and recreation 9 1.7%
Educational services 7 1.4%

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 33584 vs 33510 →

ZIP 33584 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 33584 ranks #8 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 33584 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 33584 ranks #6 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
33510 Brandon, FL 27,610 3.7 mi
33592 Thonotosassa, FL 10,091 6.4 mi
33610 Tampa, FL 39,222 5.7 mi
33511 Brandon, FL 52,003 6.8 mi
33527 Dover, FL 15,203 5.1 mi
33637 Tampa, FL 15,351 5.2 mi
33594 Valrico, FL 32,677 5.5 mi
33617 Tampa, FL 41,443 6.7 mi
33619 Tampa, FL 34,581 7.4 mi
33596 Valrico, FL 29,283 8.9 mi

More ZIP Codes in Hillsborough County

33647 standard
Tampa, FL
Pop: 55,034
33511 standard
Brandon, FL
Pop: 52,003
33614 standard
Tampa, FL
Pop: 46,449
33612 standard
Tampa, FL
Pop: 44,601
33615 standard
Tampa, FL
Pop: 43,453
33617 standard
Tampa, FL
Pop: 41,443

Related Areas

Hillsborough County Seffner, FL Florida

Frequently Asked Questions

What county is ZIP code 33584 in? ▼
ZIP code 33584 (Seffner) is located in Hillsborough County, Florida. Hillsborough County contains multiple ZIP codes, see the full list at /counties/hillsborough-fl.
What is the population of ZIP code 33584? ▼
ZIP code 33584 in Seffner, FL has a population of 25,392 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 33584? ▼
The median household income in ZIP 33584 is $72,267, which is 5% below the national average of $76,288.
What is the average home value in ZIP 33584? ▼
The median home value in ZIP 33584 is $311,300, which is 12% above the national average of $278,155.
What is the demographic makeup of ZIP 33584? ▼
The largest racial group in ZIP 33584 is White at 54.9%. Hispanic or Latino residents make up 25.7% of the population.
How many businesses are in ZIP code 33584? ▼
ZIP code 33584 has 517 business establishments employing approximately 7,837 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 33584? ▼
The top industries by establishment count in ZIP 33584 are: Construction (103), Retail trade (79), Accommodation and food services (52). There are 14 industry sectors represented in total.
How have home values changed in ZIP code 33584? ▼
According to the FHFA House Price Index, home values in ZIP 33584 decreased by 0.6% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 250%. 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 33584? ▼
In ZIP code 33584, 56.3% of residents aged 25+ have a high school diploma or higher, and 25.7% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 33584? ▼
The mean commute time for workers in ZIP code 33584 is 28.5 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 33584? ▼
In ZIP code 33584, approximately 75.3% of occupied housing units are owner-occupied and 24.7% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 33584? ▼
The poverty rate in ZIP code 33584 is 11.3% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.