33778 ZIP Code — Largo, FL

Pinellas County, Florida

ZIP code 33778 is located in Largo, Florida, within Pinellas County. It covers approximately 3.76 square miles and serves a population of 15,651 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 727.

About ZIP code 33778

The housing stock consists of a higher-than-average concentration of mobile homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $244,300. Owner-occupancy is high at 83%, well above the national average.

Median household income is $62,369. 44% 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 25 minutes is near the national average.

Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.

Overall, ZIP code 33778 reflects a community defined by high homeownership and a significant Social Security-dependent population.

15,651

population

3.76

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

33778 ZIP code map

Cities in ZIP code 33778

Below are the cities the US Postal Service accepts for ZIP code 33778. Using any city not on this list may result in mail delivery delays.

City	Status
Largo	Acceptable
Largo	Preferred

Nearby ZIP codes

33774 Largo (1.6 mi) 33770 Largo (2.3 mi) 33785 Indian Rocks Beach (2.7 mi) 33776 Seminole (2.9 mi) 33773 Largo (3.1 mi) 33771 Largo (3.3 mi) 33786 Belleair Beach (3.6 mi) 33777 Seminole (3.7 mi) 33756 Clearwater (4.4 mi) 33764 Clearwater (4.6 mi) 33708 Saint Petersburg (5.1 mi) 33760 Clearwater (5.4 mi)

Demographics updated 05/2026

Population
Total population	15,651
Population density	4,163 / sq mi
State FIPS	12
County FIPS	103

Geography
Land area	3.76 sq mi
Water area	0.20 sq mi
Latitude	27.8832
Longitude	-82.8011
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	49.0%	44.3%	43.4%
$50k – $100k	30.1%	30.2%	30.8%
$100k – $200k	15.1%	19.3%	19.3%
Over $200k	5.8%	6.2%	6.4%

Demographics & statistics

15,651

Population

4,163

People per sq mi

51.3

Median age

$62,369

Median household income

$35,830

Per capita income

$244,300

Median home value

$1,488

Median monthly rent

82.5%

Home ownership

11.2%

Poverty rate

3.2%

Unemployment

6,897

Housing units

26.0%

Bachelor's or higher

Age distribution

Male Female

392

Under 5

397

328

5–9

332

316

10–14

320

375

15–19

381

240

20–24

243

817

25–34

830

871

35–44

884

942

45–54

956

832

55–59

844

498

60–64

505

1,132

65–74

1,150

709

75–84

720

316

85+

321

← Male

Female →

Age summary

Group	Count	%
Under 18	2,528	16.2%
18 and over	13,123	83.8%
65 and over	4,348	27.8%
Median age	51.3 years

Race & ethnicity

White 68.1%

Hispanic or Latino 10.8%

Two or more races 10.7%

Black or African American 5.6%

Asian 2.5%

Other race 2%

American Indian / Alaska Native 0.3%

Group	Count	%
White	11,952	68.1%
Hispanic or Latino	1,894	10.8%
Two or more races	1,869	10.7%
Black or African American	984	5.6%
Asian	438	2.5%
Other race	352	2%
American Indian / Alaska Native	56	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	49.0%	44.3%	43.4%
$50k – $100k	30.1%	30.2%	30.8%
$100k – $200k	15.1%	19.3%	19.3%
Over $200k	5.8%	6.2%	6.4%

Under $10k 5.7%

$10k–$15k 4.8%

$15k–$25k 9.2%

$25k–$35k 7.1%

$35k–$50k 13.8%

$50k–$75k 19.1%

$75k–$100k 14.5%

$100k–$150k 14.0%

$150k–$200k 4.5%

$200k+ 7.4%

Range	% of households
Under $10k	5.7%
$10k–$15k	4.8%
$15k–$25k	9.2%
$25k–$35k	7.1%
$35k–$50k	13.8%
$50k–$75k	19.1%
$75k–$100k	14.5%
$100k–$150k	14.0%
$150k–$200k	4.5%
$200k+	7.4%
Median income	$62,369

Housing

Home values

Under $50k 9.3%

$50k–$100k 16.3%

$100k–$150k 4.7%

$150k–$200k 9.6%

$200k–$300k 25.5%

$300k–$500k 24.8%

$500k–$1M 7.5%

$1M+ 2.3%

Housing overview

Metric	Value
Median home value	$244,300
Median rent / month	$1,488
Owner occupied	82.5%
Renter occupied	17.5%
Vacant	19.9%
Single-family detached	48.3%
Large apartment buildings	4.3%
Mobile homes	32.8%
Median rooms	5.0
Avg household size (owned)	2.46

Year built

Era	%
2020 or later	0.0%
2010–2019	5.7%
2000–2009	3.8%
1990–1999	4.7%
1980–1989	28.2%
1970–1979	33.0%
1960–1969	12.7%
1950–1959	10.4%
1940–1949	0.9%
1939 or earlier	0.5%

Bedrooms

Size	% of units
No bedroom (studio)	2.3%
1 bedroom	7.1%
2 bedrooms	47.1%
3 bedrooms	30.8%
4 bedrooms	11.7%
5+ bedrooms	1.0%

Vehicles per household

Vehicles	% of households
No vehicle	4.7%
1 vehicle	47.0%
2 vehicles	32.9%
3 or more	15.4%

Heating fuel

Fuel type	%
Utility gas	2.4%
Electricity	94.2%
Propane / LP gas	0.5%
Fuel oil	0.6%
Wood	0.2%
Solar	0.6%
No fuel used	1.5%

Households & families

Household type	Count	%
Married-couple family	2,779	43.3%
Cohabiting couple	438	6.8%
Male householder, no spouse	1,380	21.5%
Female householder, no spouse	1,824	28.4%
Households with children under 18	1,336	20.8%
Households with seniors (65+)	3,078	47.9%
Average household size	2.42

Marital status

Status	Male	Female
Never married	31.3%	22.8%
Married	50.4%	47.9%
Separated	1.1%	2.0%
Widowed	4.5%	12.1%
Divorced	12.6%	15.2%

Education

Less than 9th grade 3.5%

Some HS, no diploma 5.8%

HS graduate 29.8%

Some college, no degree 20.9%

Associate's degree 14.1%

Bachelor's degree 15.1%

Graduate / professional 10.8%

Metric	%
HS diploma or higher	90.7%
Bachelor's or higher	26.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	147	4.8%
Kindergarten	199	6.5%
Elementary school	953	31.3%
High school	707	23.2%
College / grad school	1,038	34.1%

Employment

Industry of employment

Education & healthcare 22.4%

Professional & management 15.2%

Retail trade 11.0%

Arts, food & hospitality 10.6%

Finance & real estate 8.2%

Manufacturing 8.1%

Construction 6.2%

Other services 5.8%

Transportation & utilities 4.4%

Public administration 3.1%

Wholesale trade 2.9%

Information 1.9%

Agriculture & mining 0.2%

Occupation

Category	%
Management, business & arts	38.2%
Service	19.8%
Sales & office	23.0%
Natural resources & construction	8.4%
Production & transportation	10.5%

Employment type

Type	%
Private sector	80.5%
Government	14.6%
Self-employed	4.5%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	75.4%
Carpool	10.5%
Public transit	0.4%
Walk	0.2%
Work from home	11.3%
Other means	2.3%
Avg commute (minutes)	25.0

Poverty

All people 11.2%

Under 18 years 10.9%

18 and over 11.2%

Married-couple families 3.3%

Female-led households 15.1%

Income support

Source	% of households
Social Security	43.7%
Retirement income	27.7%
Supplemental Security	4.0%
Cash public assistance	1.9%
Food stamps / SNAP	9.5%

Health indicators

Condition	%
Obesity	27.9%
High blood pressure	40.2%
High cholesterol	38.8%
Diabetes	12.4%
Heart disease	9.0%
Stroke	4.3%
Asthma	8.6%
Arthritis	30.8%
Kidney disease	3.8%
Pulmonary disease	9.9%
Cancer	9.1%

Behavior / access	%
Smoking	19.3%
Binge drinking	14.3%
No physical activity	26.3%
Less than 7 hrs sleep	32.4%
Depression	18.1%
Fair or poor health	17.1%
Poor mental health	14.5%
Poor physical health	12.7%
No health insurance	18.8%
Visited doctor (checkup)	76.0%
Visited dentist	56.1%
Cholesterol screening	92.8%
Teeth loss	15.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,145	8.7%

Disability	%
Any disability	17.9%
Under 18	3.0%
18–64 years	14.5%
65 and over	33.9%

Health insurance coverage

Type	%
Private insurance	61.0%
Public insurance	41.1%
No insurance	13.0%
Uninsured under 19	4.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	14,862	95.0%
Spanish	1,058	7.1%
Other Indo-European	852	5.7%
Asian & Pacific Islander	62	0.4%
Other languages	94	0.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	13,764	87.9%
Born in same state	13,302	85.0%
Born in different state	4,977	31.8%
Foreign born	462	3.0%
Naturalized citizen	1,887	12.1%
Not a US citizen	1,226	65.0%

Ancestry

Ancestry	Count	%
Italian	1,788	11.4%
French	1,624	10.4%
Arab	1,420	9.1%
English	223	1.4%
German	123	0.8%

Ancestry	Count	%
Dutch	121	0.8%
Polish	106	0.7%
Irish	85	0.5%
Norwegian	82	0.5%

Technology access

Metric	% of households
Computer access	41.0%
Internet access	93.0%

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

Frequently asked questions about ZIP code 33778

What city is ZIP code 33778 in?

ZIP code 33778 is primarily assigned to Largo, Florida.

What county is ZIP code 33778 in?

ZIP code 33778 falls within Pinellas County, Florida.

Does ZIP code 33778 have an older population?

28% of residents in ZIP code 33778 are 65 or older, above the national average of ~17%.

Does ZIP code 33778 have a large retiree population?

44% of households in ZIP code 33778 receive Social Security income, suggesting a significant retiree or disability population.

Is ZIP code 33778 mostly owner-occupied?

83% of occupied units in ZIP code 33778 are owner-occupied, well above the national average.

What is the population of ZIP code 33778?

ZIP code 33778 has an estimated population of 15,651 residents, with a density of 4,159 people per square mile.

What timezone is ZIP code 33778 in?

ZIP code 33778 observes the EST timezone.