Key Largo ZIP Codes — Monroe County, FL

There is one unique ZIP code in Key Largo, Florida and it is 33037. Area code: 305.
1
ZIP codes
32.91
sq mi land
87.85
sq mi water
305
area code
Key Largo, FL ZIP code map

About Key Largo, FL

Key Largo, Florida, is a beautiful island town situated in the Florida Keys. Known for its pristine waters and vibrant marine life, it serves as a gateway to the Everglades National Park and the coral reefs of John Pennekamp Coral Reef State Park. The town is celebrated for its stunning sunsets and laid-back atmosphere, attracting visitors year-round.

Location & geography

Key Largo is located in Monroe County, Florida, and is the first of the Florida Keys when traveling south from the mainland. Nearby cities include Homestead, approximately 37 miles to the northwest, Florida City about 38 miles away, and Tavernier, which is just a few miles south. The town covers a land area of 32.91 square miles and boasts water areas stretching over 87.85 square miles, providing ample opportunities for boating, fishing, and diving.

Community & economy

The community of Key Largo embodies a relaxed, tropical lifestyle where both locals and visitors appreciate the natural beauty surrounding them. The economy is predominantly driven by tourism, with numerous shops, restaurants, and recreational activities catering to travelers who come to experience the Keys. Daily life often revolves around outdoor activities such as snorkeling, fishing, and boating, reflecting the town's connection to the water.

Transportation

U.S. Route 1 runs through Key Largo, providing direct access to the other Florida Keys and the mainland. The nearest major airport is Miami International Airport, located about 60 miles to the northwest, while smaller regional airports also serve the area for those looking to explore the Keys. Public transportation options are limited, but local taxi and shuttle services are available for visitors.

History

Key Largo was founded in the early 19th century and quickly became a popular location for fishing and tourism. The development of the Florida East Coast Railway helped to advance its growth in the late 1800s, paving the way for the fishing industry and later tourism. Notable events include the establishment of John Pennekamp Coral Reef State Park in 1960, which was the first undersea park in the United States.

Did you know?

A surprising fact about Key Largo is that it was featured in the classic 1948 movie 'Key Largo,' starring Humphrey Bogart and Lauren Bacall. Additionally, it is often referred to as the 'Diving Capital of the World' due to its impressive coral reefs and rich marine biodiversity.

ZIP codes for Key Largo, FL (1)
ZIP code City County Map
33037 Key Largo Monroe View map

Demographics & statistics

13,265
Population
53.5
Median age
$73,724
Median household income
$57,934
Per capita income
$632,000
Median home value
$1,848
Median monthly rent
78.7%
Home ownership
12.2%
Poverty rate
5.8%
Unemployment
9,208
Housing units
39.4%
Bachelor's or higher

Age distribution

Male Female
166
Under 5
163
202
5–9
198
372
10–14
365
232
15–19
227
274
20–24
268
517
25–34
506
861
35–44
844
899
45–54
880
386
55–59
378
738
60–64
723
1,051
65–74
1,030
747
75–84
732
256
85+
250
← Male
Female →

Age summary

GroupCount%
Under 181,71412.9%
18 and over11,55187.1%
65 and over4,06630.7%
Median age53.5 years

Race & ethnicity

White 71.1%
Hispanic or Latino 13.2%
Two or more races 11.4%
Other race 2.7%
Black or African American 1.1%
Asian 0.6%
GroupCount%
White10,86371.1%
Hispanic or Latino2,01713.2%
Two or more races1,73511.4%
Other race4072.7%
Black or African American1691.1%
Asian910.6%

Household income

Under $10k 5.9%
$10k–$15k 4.4%
$15k–$25k 6.9%
$25k–$35k 5.0%
$35k–$50k 10.4%
$50k–$75k 18.7%
$75k–$100k 11.9%
$100k–$150k 15.3%
$150k–$200k 6.2%
$200k+ 15.4%
Range% of households
Under $10k5.9%
$10k–$15k4.4%
$15k–$25k6.9%
$25k–$35k5.0%
$35k–$50k10.4%
$50k–$75k18.7%
$75k–$100k11.9%
$100k–$150k15.3%
$150k–$200k6.2%
$200k+15.4%
Median income$73,724

Housing

Home values

Under $50k 2.5%
$50k–$100k 2.2%
$100k–$150k 4.5%
$150k–$200k 1.4%
$200k–$300k 5.8%
$300k–$500k 22.1%
$500k–$1M 36.6%
$1M+ 25.0%

Housing overview

MetricValue
Median home value$632,000
Median rent / month$1,848
Owner occupied78.7%
Renter occupied21.3%
Vacant46.1%
Single-family detached61.3%
Large apartment buildings4.5%
Mobile homes12.3%
Median rooms4.5
Avg household size (owned)2.19

Year built

Era%
2020 or later1.7%
2010–20198.3%
2000–20099.0%
1990–199917.2%
1980–198926.0%
1970–197926.3%
1960–19696.8%
1950–19594.5%
1940–19490.2%
1939 or earlier0.1%

Bedrooms

Size% of units
No bedroom (studio)2.2%
1 bedroom8.4%
2 bedrooms38.1%
3 bedrooms34.9%
4 bedrooms12.5%
5+ bedrooms3.8%

Vehicles per household

Vehicles% of households
No vehicle4.3%
1 vehicle33.8%
2 vehicles42.5%
3 or more19.3%

Heating fuel

Fuel type%
Utility gas2.8%
Electricity86.7%
Propane / LP gas1.3%
No fuel used9.1%

Households & families

Household typeCount%
Married-couple family2,95152.6%
Cohabiting couple4047.2%
Male householder, no spouse98217.5%
Female householder, no spouse1,27622.7%
Households with children under 1897817.4%
Households with seniors (65+)2,72248.5%
Average household size2.35

Marital status

StatusMaleFemale
Never married26.4%18.0%
Married56.9%52.9%
Separated0.7%0.8%
Widowed4.0%14.7%
Divorced12.1%13.5%

Education

Less than 9th grade 3.2%
Some HS, no diploma 4.8%
HS graduate 27.7%
Some college, no degree 17.9%
Associate's degree 6.9%
Bachelor's degree 23.0%
Graduate / professional 16.4%
Metric%
HS diploma or higher91.9%
Bachelor's or higher39.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1366.3%
Kindergarten1517.0%
Elementary school82338.4%
High school49523.1%
College / grad school54125.2%

Employment

Industry of employment

Arts, food & hospitality 21.7%
Professional & management 14.1%
Education & healthcare 13.9%
Retail trade 10.0%
Transportation & utilities 8.2%
Construction 8.0%
Other services 7.8%
Public administration 4.8%
Finance & real estate 4.5%
Manufacturing 3.1%
Wholesale trade 2.4%
Information 1.2%
Agriculture & mining 0.3%

Occupation

Category%
Management, business & arts35.9%
Service27.5%
Sales & office19.6%
Natural resources & construction8.1%
Production & transportation8.9%

Employment type

Type%
Private sector73.9%
Government14.3%
Self-employed11.4%
Unpaid family workers0.4%

Commute

Method%
Drive alone78.7%
Carpool5.9%
Public transit1.2%
Walk1.8%
Other means2.7%
Avg commute (minutes)28.5

Poverty

All people 12.2%
Under 18 years 10.7%
18 and over 12.4%
Married-couple families 7.5%
Female-led households 23.8%

Income support

Source% of households
Social Security46.7%
Retirement income26.6%
Supplemental Security1.3%
Cash public assistance1.0%
Food stamps / SNAP5.1%

Health indicators

Condition%
High blood pressure35.0%
High cholesterol35.1%
Heart disease8.1%
Stroke3.6%
Asthma8.3%
Arthritis26.4%
Kidney disease3.5%
Pulmonary disease8.7%
Cancer7.9%
Behavior / access%
Binge drinking16.6%
No physical activity24.9%
Less than 7 hrs sleep33.5%
Fair or poor health16.4%
Poor mental health13.9%
Poor physical health12.1%
No health insurance20.2%
Visited doctor (checkup)74.3%
Visited dentist64.2%
Cholesterol screening92.5%
Teeth loss11.8%

Veterans & disability

VeteransCount%
Civilian veterans1,0889.5%
Disability%
Any disability13.5%
Under 181.9%
18–64 years8.3%
65 and over27.9%

Health insurance coverage

Type%
Private insurance59.8%
Public insurance45.6%
Uninsured under 193.2%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only12,93697.5%
Spanish1,0938.4%
Other Indo-European1,0418.0%
Asian & Pacific Islander370.3%
Other languages150.1%

Place of birth & citizenship

OriginCount%
Native born (US)10,48579.0%
Born in same state10,34878.0%
Born in different state4,11531.0%
Foreign born1371.0%
Naturalized citizen2,78021.0%
Not a US citizen2,38785.9%

Ancestry

AncestryCount%
Italian2,07915.7%
French1,49711.3%
Arab1,0467.9%
English1791.3%
Polish1661.3%
AncestryCount%
Norwegian570.4%
Irish240.2%
German210.2%
Dutch170.1%

Technology access

Metric% of households
Computer access42.3%
Internet access96.2%

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

Frequently asked questions
What ZIP codes does Key Largo, FL have?
Key Largo, FL has one ZIP code: 33037. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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