33777 ZIP Code — Seminole, FL

Pinellas County, Florida

ZIP code 33777 is located in Seminole, Florida, within Pinellas County. It covers approximately 5.50 square miles and serves a population of 17,860 residents. This is a po box ZIP code in the Eastern (ET) timezone, served by area code 727.

About ZIP code 33777

The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $271,600. Owner-occupancy is high at 85%, well above the national average.

The gap between median ($83,602) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 7% is below the national average. 34% 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 22 minutes is near the national average.

Educational attainment is near the national average, with 37% of residents holding a bachelor's degree or higher.

Overall, ZIP code 33777 reflects a community defined by high homeownership and a significant Social Security-dependent population.

17,860

population

5.50

sq mi land

PO Box

ZIP type

Eastern (ET)

timezone

33777 ZIP code map

Cities in ZIP code 33777

Below are the cities the US Postal Service accepts for ZIP code 33777. Using any city not on this list may result in mail delivery delays.

City	Status
Seminole	Acceptable
Seminole	Preferred

Nearby ZIP codes

33773 Largo (2.2 mi) 33709 Saint Petersburg (2.4 mi) 33781 Pinellas Park (2.4 mi) 33782 Pinellas Park (3 mi) 33778 Largo (3.7 mi) 33708 Saint Petersburg (3.8 mi) 33771 Largo (4.2 mi) 33710 Saint Petersburg (4.4 mi) 33776 Seminole (4.4 mi) 33760 Clearwater (4.5 mi) 33774 Largo (5 mi) 33764 Clearwater (5.1 mi)

Demographics updated 05/2026

Population
Total population	17,860
Population density	3,247 / sq mi
State FIPS	12
County FIPS	103

Geography
Land area	5.50 sq mi
Water area	0.90 sq mi
Latitude	27.8476
Longitude	-82.7554
Timezone	Eastern (ET)
Area code	727

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.1%	44.3%	43.4%
$50k – $100k	30.4%	30.2%	30.8%
$100k – $200k	25.7%	19.3%	19.3%
Over $200k	9.7%	6.2%	6.4%

Demographics & statistics

17,860

Population

3,247

People per sq mi

48.1

Median age

$83,602

Median household income

$47,619

Per capita income

$271,600

Median home value

$1,645

Median monthly rent

84.6%

Home ownership

7.0%

Poverty rate

2.5%

Unemployment

7,243

Housing units

37.1%

Bachelor's or higher

Age distribution

Male Female

475

Under 5

489

424

5–9

435

404

10–14

416

308

15–19

316

438

20–24

450

990

25–34

1,017

1,191

35–44

1,225

972

45–54

998

881

55–59

905

766

60–64

788

1,068

65–74

1,098

593

75–84

609

298

85+

306

← Male

Female →

Age summary

Group	Count	%
Under 18	3,043	17.0%
18 and over	14,817	83.0%
65 and over	3,972	22.2%
Median age	48.1 years

Race & ethnicity

White 77.5%

Two or more races 7.1%

Hispanic or Latino 5.3%

Asian 4%

Black or African American 4%

Other race 1.4%

Native Hawaiian / Pacific Islander 0.6%

American Indian / Alaska Native 0.2%

Group	Count	%
White	14,603	77.5%
Two or more races	1,339	7.1%
Hispanic or Latino	991	5.3%
Asian	759	4%
Black or African American	745	4%
Other race	263	1.4%
Native Hawaiian / Pacific Islander	120	0.6%
American Indian / Alaska Native	31	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	34.1%	44.3%	43.4%
$50k – $100k	30.4%	30.2%	30.8%
$100k – $200k	25.7%	19.3%	19.3%
Over $200k	9.7%	6.2%	6.4%

Under $10k 3.1%

$10k–$15k 3.0%

$15k–$25k 5.8%

$25k–$35k 4.8%

$35k–$50k 11.2%

$50k–$75k 17.0%

$75k–$100k 14.2%

$100k–$150k 17.5%

$150k–$200k 11.4%

$200k+ 12.0%

Range	% of households
Under $10k	3.1%
$10k–$15k	3.0%
$15k–$25k	5.8%
$25k–$35k	4.8%
$35k–$50k	11.2%
$50k–$75k	17.0%
$75k–$100k	14.2%
$100k–$150k	17.5%
$150k–$200k	11.4%
$200k+	12.0%
Median income	$83,602

Housing

Home values

Under $50k 3.4%

$50k–$100k 2.4%

$100k–$150k 10.9%

$150k–$200k 13.5%

$200k–$300k 26.4%

$300k–$500k 24.9%

$500k–$1M 15.5%

$1M+ 3.1%

Housing overview

Metric	Value
Median home value	$271,600
Median rent / month	$1,645
Owner occupied	84.6%
Renter occupied	15.4%
Vacant	12.4%
Single-family detached	59.2%
Large apartment buildings	6.1%
Mobile homes	1.9%
Median rooms	5.5
Avg household size (owned)	2.42

Year built

Era	%
2020 or later	0.1%
2010–2019	3.0%
2000–2009	7.2%
1990–1999	7.7%
1980–1989	20.1%
1970–1979	42.9%
1960–1969	11.4%
1950–1959	7.4%
1940–1949	0.2%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	3.8%
1 bedroom	3.7%
2 bedrooms	35.1%
3 bedrooms	41.7%
4 bedrooms	11.7%
5+ bedrooms	4.0%

Vehicles per household

Vehicles	% of households
No vehicle	3.7%
1 vehicle	34.1%
2 vehicles	42.9%
3 or more	19.3%

Heating fuel

Fuel type	%
Utility gas	6.4%
Electricity	91.2%
Propane / LP gas	0.7%
Fuel oil	0.1%
Solar	0.3%
No fuel used	1.1%

Households & families

Household type	Count	%
Married-couple family	3,579	48.8%
Cohabiting couple	458	6.2%
Male householder, no spouse	1,459	19.9%
Female householder, no spouse	1,839	25.1%
Households with children under 18	1,641	22.4%
Households with seniors (65+)	2,586	35.3%
Average household size	2.39

Marital status

Status	Male	Female
Never married	28.0%	23.0%
Married	52.8%	47.7%
Separated	3.1%	1.7%
Widowed	3.6%	13.3%
Divorced	12.5%	14.3%

Education

Less than 9th grade 1.9%

Some HS, no diploma 3.5%

HS graduate 27.6%

Some college, no degree 20.4%

Associate's degree 9.5%

Bachelor's degree 23.9%

Graduate / professional 13.2%

Metric	%
HS diploma or higher	94.6%
Bachelor's or higher	37.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	297	7.4%
Kindergarten	221	5.5%
Elementary school	1,292	32.3%
High school	587	14.7%
College / grad school	1,604	40.1%

Employment

Industry of employment

Education & healthcare 23.5%

Professional & management 16.5%

Retail trade 12.5%

Finance & real estate 10.9%

Manufacturing 8.7%

Arts, food & hospitality 6.4%

Construction 4.9%

Other services 4.4%

Transportation & utilities 3.9%

Public administration 3.4%

Wholesale trade 2.7%

Information 1.9%

Agriculture & mining 0.4%

Occupation

Category	%
Management, business & arts	48.2%
Service	9.8%
Sales & office	27.5%
Natural resources & construction	7.0%
Production & transportation	7.4%

Employment type

Type	%
Private sector	82.9%
Government	11.7%
Self-employed	5.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	79.5%
Carpool	3.1%
Public transit	0.4%
Walk	0.2%
Work from home	15.3%
Other means	1.4%
Avg commute (minutes)	21.7

Poverty

All people 7.0%

Under 18 years 9.8%

18 and over 6.5%

Married-couple families 3.2%

Female-led households 9.8%

Income support

Source	% of households
Social Security	34.4%
Retirement income	26.9%
Supplemental Security	1.7%
Cash public assistance	1.1%
Food stamps / SNAP	4.0%

Health indicators

Condition	%
Obesity	25.9%
High blood pressure	34.6%
High cholesterol	34.5%
Diabetes	10.0%
Heart disease	7.1%
Stroke	3.3%
Asthma	8.3%
Arthritis	26.4%
Kidney disease	3.1%
Pulmonary disease	7.8%
Cancer	8.0%

Behavior / access	%
Smoking	17.3%
Binge drinking	15.8%
No physical activity	22.5%
Less than 7 hrs sleep	31.1%
Depression	18.2%
Fair or poor health	13.7%
Poor mental health	14.3%
Poor physical health	10.7%
No health insurance	16.9%
Visited doctor (checkup)	73.8%
Visited dentist	60.3%
Cholesterol screening	92.4%
Teeth loss	12.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,489	10.2%

Disability	%
Any disability	15.5%
Under 18	6.8%
18–64 years	11.5%
65 and over	34.0%

Health insurance coverage

Type	%
Private insurance	77.0%
Public insurance	33.6%
No insurance	5.9%
Uninsured under 19	4.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	16,896	94.6%
Spanish	981	5.8%
Other Indo-European	500	3.0%
Asian & Pacific Islander	169	1.0%
Other languages	306	1.8%

Place of birth & citizenship

Origin	Count	%
Native born (US)	16,198	90.7%
Born in same state	15,824	88.6%
Born in different state	7,468	41.8%
Foreign born	374	2.1%
Naturalized citizen	1,662	9.3%
Not a US citizen	1,115	67.1%

Ancestry

Ancestry	Count	%
French	2,202	12.3%
Arab	1,915	10.7%
Italian	1,795	10.1%
English	299	1.7%
Polish	146	0.8%

Ancestry	Count	%
Irish	110	0.6%
German	105	0.6%
Norwegian	52	0.3%
Dutch	32	0.2%

Technology access

Metric	% of households
Computer access	41.1%
Internet access	93.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 33777

What city is ZIP code 33777 in?

ZIP code 33777 is primarily assigned to Seminole, Florida.

What county is ZIP code 33777 in?

ZIP code 33777 falls within Pinellas County, Florida.

Is ZIP code 33777 mostly owner-occupied?

85% of occupied units in ZIP code 33777 are owner-occupied, well above the national average.

Does ZIP code 33777 have a large veteran population?

10% of civilians in ZIP code 33777 are veterans, above the national average of ~7%.

What is the population of ZIP code 33777?

ZIP code 33777 has an estimated population of 17,860 residents, with a density of 3,246 people per square mile.

What is the median household income in ZIP code 33777?

The median household income in ZIP code 33777 is $83,602, above the national median of ~$75,000.

What timezone is ZIP code 33777 in?

ZIP code 33777 observes the EST timezone.