33584 ZIP Code — Seffner, FL
Hillsborough County, Florida
ZIP code 33584 is located in Seffner, Florida, within Hillsborough County. It covers approximately 19.19 square miles and serves a population of 27,863 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 813.
About ZIP code 33584
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $256,500. Owner-occupancy sits near the national average at 74%.
Median household income is $64,993. 32% 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 28 minutes is near the national average.
Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.
27,863
population
19.19
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
33584 ZIP code map
Cities in ZIP code 33584
Below are the cities the US Postal Service accepts for ZIP code 33584. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Seffner | Preferred |
Nearby ZIP codes
33510 Brandon (3.1 mi)
33610 Tampa (5 mi)
33527 Dover (5.1 mi)
33637 Tampa (5.3 mi)
33594 Valrico (5.5 mi)
33617 Tampa (6.5 mi)
33592 Thonotosassa (6.6 mi)
33511 Brandon (7.2 mi)
33619 Tampa (7.8 mi)
33620 Tampa (8.3 mi)
33596 Valrico (9 mi)
33647 Tampa (9 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 27,863 |
| Population density | 1,452 / sq mi |
| State FIPS | 12 |
| County FIPS | 057 |
| Geography | |
|---|---|
| Land area | 19.19 sq mi |
| Water area | 0.66 sq mi |
| Latitude | 28.0033 |
| Longitude | -82.2944 |
| Timezone | Eastern (ET) |
| Area code | 813 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 44.8% | 41.3% | 43.4% |
| $50k – $100k | 33.2% | 30.7% | 30.8% |
| $100k – $200k | 18.0% | 20.4% | 19.3% |
| Over $200k | 4.1% | 7.6% | 6.4% |
Demographics & statistics
27,863
Population
1,452
People per sq mi
40.1
Median age
$64,993
Median household income
$31,717
Per capita income
$256,500
Median home value
$1,309
Median monthly rent
74.1%
Home ownership
16.8%
Poverty rate
4.3%
Unemployment
8,079
Housing units
25.5%
Bachelor's or higher
Age distribution
Male
Female
880
Under 5
928
869
5–9
915
769
10–14
810
760
15–19
800
848
20–24
893
1,740
25–34
1,834
1,860
35–44
1,959
1,944
45–54
2,049
963
55–59
1,014
1,069
60–64
1,126
1,166
65–74
1,229
548
75–84
578
152
85+
160
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 6,252 | 22.4% |
| 18 and over | 21,611 | 77.6% |
| 65 and over | 3,833 | 13.8% |
| Median age | 40.1 years | |
Race & ethnicity
White
51.6%
Hispanic or Latino
14.2%
Black or African American
12.2%
Two or more races
11.9%
Other race
5.1%
Asian
4.9%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 16,763 | 51.6% |
| Hispanic or Latino | 4,597 | 14.2% |
| Black or African American | 3,951 | 12.2% |
| Two or more races | 3,848 | 11.9% |
| Other race | 1,662 | 5.1% |
| Asian | 1,578 | 4.9% |
| American Indian / Alaska Native | 61 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 44.8% | 41.3% | 43.4% |
| $50k – $100k | 33.2% | 30.7% | 30.8% |
| $100k – $200k | 18.0% | 20.4% | 19.3% |
| Over $200k | 4.1% | 7.6% | 6.4% |
Under $10k
6.9%
$10k–$15k
1.8%
$15k–$25k
6.9%
$25k–$35k
8.4%
$35k–$50k
16.3%
$50k–$75k
16.5%
$75k–$100k
13.8%
$100k–$150k
16.1%
$150k–$200k
8.2%
$200k+
5.1%
| Range | % of households |
|---|---|
| Under $10k | 6.9% |
| $10k–$15k | 1.8% |
| $15k–$25k | 6.9% |
| $25k–$35k | 8.4% |
| $35k–$50k | 16.3% |
| $50k–$75k | 16.5% |
| $75k–$100k | 13.8% |
| $100k–$150k | 16.1% |
| $150k–$200k | 8.2% |
| $200k+ | 5.1% |
| Median income | $64,993 |
Housing
Home values
Under $50k
4.7%
$50k–$100k
4.3%
$100k–$150k
4.0%
$150k–$200k
10.7%
$200k–$300k
46.3%
$300k–$500k
24.2%
$500k–$1M
5.1%
$1M+
0.7%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $256,500 |
| Median rent / month | $1,309 |
| Owner occupied | 74.1% |
| Renter occupied | 25.9% |
| Vacant | 6.4% |
| Single-family detached | 79.0% |
| Large apartment buildings | 0.3% |
| Mobile homes | 12.3% |
| Median rooms | 6.0 |
| Avg household size (owned) | 2.74 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.2% |
| 2010–2019 | 8.6% |
| 2000–2009 | 18.7% |
| 1990–1999 | 9.7% |
| 1980–1989 | 21.6% |
| 1970–1979 | 27.4% |
| 1960–1969 | 7.6% |
| 1950–1959 | 3.5% |
| 1940–1949 | 1.4% |
| 1939 or earlier | 1.2% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.3% |
| 1 bedroom | 2.9% |
| 2 bedrooms | 18.2% |
| 3 bedrooms | 54.8% |
| 4 bedrooms | 20.3% |
| 5+ bedrooms | 2.5% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.7% |
| 1 vehicle | 35.4% |
| 2 vehicles | 39.0% |
| 3 or more | 20.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 2.4% |
| Electricity | 94.2% |
| Propane / LP gas | 0.4% |
| Fuel oil | 0.4% |
| Solar | 0.8% |
| No fuel used | 1.9% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 4,939 | 49.5% |
| Cohabiting couple | 684 | 6.9% |
| Male householder, no spouse | 1,722 | 17.2% |
| Female householder, no spouse | 2,640 | 26.4% |
| Households with children under 18 | 3,326 | 33.3% |
| Households with seniors (65+) | 2,929 | 29.3% |
| Average household size | 2.78 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 33.1% | 27.1% |
| Married | 50.4% | 45.1% |
| Separated | 1.0% | 1.7% |
| Widowed | 1.9% | 9.6% |
| Divorced | 13.7% | 16.5% |
Education
Less than 9th grade
4.9%
Some HS, no diploma
8.1%
HS graduate
32.6%
Some college, no degree
22.4%
Associate's degree
6.4%
Bachelor's degree
17.4%
Graduate / professional
8.1%
| Metric | % |
|---|---|
| HS diploma or higher | 86.9% |
| Bachelor's or higher | 25.5% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 359 | 6.0% |
| Kindergarten | 379 | 6.3% |
| Elementary school | 2,375 | 39.5% |
| High school | 1,334 | 22.2% |
| College / grad school | 1,570 | 26.1% |
Employment
Industry of employment
Education & healthcare
19.0%
Professional & management
14.0%
Retail trade
13.2%
Finance & real estate
7.6%
Manufacturing
7.5%
Arts, food & hospitality
7.5%
Construction
7.1%
Other services
6.9%
Transportation & utilities
6.7%
Public administration
4.4%
Wholesale trade
2.6%
Information
2.3%
Agriculture & mining
1.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 40.1% |
| Service | 14.8% |
| Sales & office | 21.1% |
| Natural resources & construction | 9.6% |
| Production & transportation | 14.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 83.0% |
| Government | 11.6% |
| Self-employed | 5.2% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 73.7% |
| Carpool | 8.7% |
| Public transit | 0.3% |
| Walk | 1.3% |
| Work from home | 14.1% |
| Other means | 2.0% |
| Avg commute (minutes) | 27.8 |
Poverty
All people
16.8%
Under 18 years
22.9%
18 and over
15.0%
Married-couple families
10.9%
Female-led households
27.8%
Income support
| Source | % of households |
|---|---|
| Social Security | 31.7% |
| Retirement income | 24.5% |
| Supplemental Security | 5.6% |
| Cash public assistance | 1.6% |
| Food stamps / SNAP | 16.3% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 30.6% |
| High blood pressure | 31.9% |
| High cholesterol | 30.7% |
| Diabetes | 10.4% |
| Heart disease | 6.0% |
| Stroke | 3.1% |
| Asthma | 9.1% |
| Arthritis | 21.6% |
| Kidney disease | 2.8% |
| Pulmonary disease | 7.9% |
| Cancer | 5.7% |
| Behavior / access | % |
|---|---|
| Smoking | 20.0% |
| Binge drinking | 17.0% |
| No physical activity | 26.0% |
| Less than 7 hrs sleep | 33.8% |
| Depression | 19.0% |
| Fair or poor health | 16.1% |
| Poor mental health | 16.3% |
| Poor physical health | 11.8% |
| No health insurance | 22.8% |
| Visited doctor (checkup) | 73.4% |
| Visited dentist | 57.6% |
| Cholesterol screening | 89.5% |
| Teeth loss | 15.3% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,750 | 8.1% |
| Disability | % |
|---|---|
| Any disability | 15.8% |
| Under 18 | 4.6% |
| 18–64 years | 14.1% |
| 65 and over | 42.1% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 61.5% |
| Public insurance | 34.1% |
| No insurance | 13.5% |
| Uninsured under 19 | 5.5% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 26,055 | 93.5% |
| Spanish | 2,158 | 8.3% |
| Other Indo-European | 1,489 | 5.7% |
| Asian & Pacific Islander | 465 | 1.8% |
| Other languages | 148 | 0.6% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 24,407 | 87.6% |
| Born in same state | 22,451 | 80.6% |
| Born in different state | 12,133 | 43.5% |
| Foreign born | 1,956 | 7.0% |
| Naturalized citizen | 3,456 | 12.4% |
| Not a US citizen | 2,283 | 66.1% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Arab | 3,441 | 12.3% |
| Italian | 2,124 | 7.6% |
| French | 1,622 | 5.8% |
| German | 229 | 0.8% |
| Ancestry | Count | % |
|---|---|---|
| English | 171 | 0.6% |
| Polish | 92 | 0.3% |
| Irish | 78 | 0.3% |
| Norwegian | 11 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 35.8% |
| Internet access | 94.9% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 33584
What city is ZIP code 33584 in?
ZIP code 33584 is primarily assigned to Seffner, Florida.
What county is ZIP code 33584 in?
ZIP code 33584 falls within Hillsborough County, Florida.
What is the poverty rate in ZIP code 33584?
17% of residents in ZIP code 33584 live below the poverty line, above the national average.
What is the population of ZIP code 33584?
ZIP code 33584 has an estimated population of 27,863 residents, with a density of 1,452 people per square mile.
What is the median household income in ZIP code 33584?
The median household income in ZIP code 33584 is $64,993, below the national median of ~$75,000.
What is the typical home value in ZIP code 33584?
The median home value in ZIP code 33584 is $256,500.
What timezone is ZIP code 33584 in?
ZIP code 33584 observes the EST timezone.