Key West ZIP Code List — Monroe County, FL

There are 3 unique ZIP codes in Key West, Florida. Area code: 305.

ZIP codes

17.72

sq mi land

121.50

sq mi water

305

area code

Key West, FL ZIP code map

About Key West, FL

Key West, Florida, is a vibrant island city known for its stunning sunsets and rich cultural history. Located at the southernmost point of the continental United States, it offers a unique blend of island charm and historical significance. With a laid-back atmosphere and a welcoming community, it has become a popular destination for travelers from around the world.

Location & geography

Key West is situated in Monroe County, Florida, and is approximately 90 miles northeast of Havana, Cuba. It is surrounded by beautiful waters, boasting a land area of 17.72 square miles and an extensive water area of 121.50 square miles. The city's terrain is characterized by flat coastal plains, making it ideal for recreational water activities and enjoying the natural beauty of the ocean.

Community & economy

The community in Key West is a mix of locals and tourists, giving the city a lively, eclectic atmosphere. Its economy is primarily supported by tourism, with many residents engaged in hospitality, fishing, and various arts and entertainment industries. Daily life revolves around enjoying outdoor activities, exploring historic sites, and experiencing the vibrant nightlife that the city has to offer.

Transportation

Key West is accessible via U.S. Highway 1, which connects the island with mainland Florida and other keys. The nearest major airport is Key West International Airport, providing both domestic and limited international flights. Public transit options include buses and taxis that help residents and visitors navigate the island and its attractions.

History

Key West was founded in 1822 and quickly became an important shipping and naval base due to its strategic location. In the mid-19th century, the city experienced growth from its cigar manufacturing and sponge industries, attracting a diverse population. Notable events include the establishment of the Key West Historic District, which celebrates the city’s architectural heritage and vibrant culture.

Did you know?

One surprising fact about Key West is that it has a unique tradition of hosting a sunset celebration every evening at Mallory Square, where locals and tourists gather to enjoy street performances and artisan vendors. Additionally, Key West is home to the southernmost point in the continental United States, marked by a distinctive buoy that attracts countless visitors.

ZIP codes for Key West, FL (3)

ZIP code	City	County	Map
33040	Key West	Monroe	View map
33041	Key West	Monroe	View map
33045	Key West	Monroe	View map

Demographics & statistics

36,379

Population

41.8

Median age

$80,069

Median household income

$52,578

Per capita income

$766,700

Median home value

$2,044

Median monthly rent

47.7%

Home ownership

13.1%

Poverty rate

2.7%

Unemployment

11,120

Housing units

36.6%

Bachelor's or higher

Age distribution

Male Female

1,075

Under 5

982

753

5–9

688

876

10–14

800

852

15–19

779

919

20–24

840

2,901

25–34

2,652

2,648

35–44

2,421

2,633

45–54

2,406

1,632

55–59

1,492

1,226

60–64

1,121

2,163

65–74

1,978

1,003

75–84

917

325

85+

297

← Male

Female →

Age summary

Group	Count	%
Under 18	6,124	16.8%
18 and over	30,255	83.2%
65 and over	6,683	18.4%
Median age	41.8 years

Race & ethnicity

White 58.4%

Hispanic or Latino 12.7%

Black or African American 11.7%

Two or more races 11.6%

Other race 3.8%

Asian 1.4%

Native Hawaiian / Pacific Islander 0.3%

American Indian / Alaska Native 0.1%

Group	Count	%
White	24,347	58.4%
Hispanic or Latino	5,316	12.7%
Black or African American	4,868	11.7%
Two or more races	4,855	11.6%
Other race	1,567	3.8%
Asian	574	1.4%
Native Hawaiian / Pacific Islander	130	0.3%
American Indian / Alaska Native	38	0.1%

Household income

Under $10k 4.4%

$10k–$15k 2.9%

$15k–$25k 4.9%

$25k–$35k 6.1%

$35k–$50k 9.8%

$50k–$75k 19.1%

$75k–$100k 12.1%

$100k–$150k 18.1%

$150k–$200k 9.5%

$200k+ 13.1%

Range	% of households
Under $10k	4.4%
$10k–$15k	2.9%
$15k–$25k	4.9%
$25k–$35k	6.1%
$35k–$50k	9.8%
$50k–$75k	19.1%
$75k–$100k	12.1%
$100k–$150k	18.1%
$150k–$200k	9.5%
$200k+	13.1%
Median income	$80,069

Housing

Home values

Under $50k 2.0%

$50k–$100k 1.1%

$100k–$150k 0.7%

$150k–$200k 0.7%

$200k–$300k 3.4%

$300k–$500k 16.3%

$500k–$1M 51.6%

$1M+ 24.2%

Housing overview

Metric	Value
Median home value	$766,700
Median rent / month	$2,044
Owner occupied	47.7%
Renter occupied	52.3%
Vacant	21.2%
Single-family detached	43.4%
Large apartment buildings	14.4%
Mobile homes	7.1%
Median rooms	3.8
Avg household size (owned)	2.41

Year built

Era	%
2020 or later	0.8%
2010–2019	4.7%
2000–2009	8.6%
1990–1999	11.8%
1980–1989	14.1%
1970–1979	14.1%
1960–1969	16.8%
1950–1959	10.1%
1940–1949	3.6%
1939 or earlier	15.4%

Bedrooms

Size	% of units
No bedroom (studio)	4.8%
1 bedroom	15.3%
2 bedrooms	40.8%
3 bedrooms	30.5%
4 bedrooms	7.5%
5+ bedrooms	1.0%

Vehicles per household

Vehicles	% of households
No vehicle	11.2%
1 vehicle	44.3%
2 vehicles	30.8%
3 or more	13.7%

Heating fuel

Fuel type	%
Utility gas	0.7%
Electricity	87.6%
Propane / LP gas	0.9%
Solar	0.1%
No fuel used	10.7%

Households & families

Household type	Count	%
Married-couple family	6,282	42.1%
Cohabiting couple	1,540	10.3%
Male householder, no spouse	3,801	25.5%
Female householder, no spouse	3,288	22.1%
Households with children under 18	3,432	23.0%
Households with seniors (65+)	4,793	32.1%
Average household size	2.36

Marital status

Status	Male	Female
Never married	35.7%	30.0%
Married	43.5%	44.6%
Separated	2.1%	1.9%
Widowed	3.3%	6.4%
Divorced	15.5%	17.1%

Education

Less than 9th grade 3.5%

Some HS, no diploma 4.4%

HS graduate 28.8%

Some college, no degree 18.9%

Associate's degree 7.8%

Bachelor's degree 22.3%

Graduate / professional 14.3%

Metric	%
HS diploma or higher	92.1%
Bachelor's or higher	36.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	295	4.8%
Kindergarten	379	6.2%
Elementary school	2,483	40.5%
High school	1,320	21.5%
College / grad school	1,652	27.0%

Employment

Industry of employment

Arts, food & hospitality 24.6%

Education & healthcare 14.9%

Professional & management 9.3%

Construction 8.9%

Finance & real estate 8.9%

Transportation & utilities 7.9%

Public administration 7.7%

Retail trade 7.6%

Other services 4.8%

Manufacturing 2.7%

Wholesale trade 1.1%

Information 0.8%

Agriculture & mining 0.7%

Occupation

Category	%
Management, business & arts	31.7%
Service	25.6%
Sales & office	20.8%
Natural resources & construction	13.9%
Production & transportation	8.0%

Employment type

Type	%
Private sector	75.2%
Government	16.9%
Self-employed	7.8%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	63.1%
Carpool	8.1%
Public transit	0.2%
Walk	4.0%
Other means	16.4%
Avg commute (minutes)	15.4

Poverty

All people 13.1%

Under 18 years 17.9%

18 and over 12.1%

Married-couple families 4.3%

Female-led households 19.1%

Income support

Source	% of households
Social Security	28.7%
Retirement income	19.6%
Supplemental Security	3.3%
Cash public assistance	4.0%
Food stamps / SNAP	8.3%

Health indicators

Condition	%
High blood pressure	29.4%
High cholesterol	29.9%
Heart disease	5.9%
Stroke	2.8%
Asthma	8.1%
Arthritis	20.4%
Kidney disease	2.7%
Pulmonary disease	6.7%
Cancer	5.7%

Behavior / access	%
Binge drinking	19.7%
No physical activity	23.7%
Less than 7 hrs sleep	35.2%
Fair or poor health	14.7%
Poor mental health	14.8%
Poor physical health	10.6%
No health insurance	21.8%
Visited doctor (checkup)	70.7%
Visited dentist	63.1%
Cholesterol screening	90.2%
Teeth loss	12.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,426	8.3%

Disability	%
Any disability	10.3%
Under 18	0.9%
18–64 years	8.4%
65 and over	25.3%

Health insurance coverage

Type	%
Private insurance	62.0%
Public insurance	32.9%
Uninsured under 19	7.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	34,322	94.3%
Spanish	3,780	11.0%
Other Indo-European	2,682	7.8%
Asian & Pacific Islander	882	2.6%
Other languages	216	0.6%

Place of birth & citizenship

Origin	Count	%
Native born (US)	28,441	78.2%
Born in same state	27,606	75.9%
Born in different state	12,056	33.1%
Foreign born	835	2.3%
Naturalized citizen	7,938	21.8%
Not a US citizen	4,048	51.0%

Ancestry

Ancestry	Count	%
Italian	3,154	8.7%
French	3,108	8.5%
Arab	1,559	4.3%
English	377	1%
Polish	266	0.7%

Ancestry	Count	%
Irish	250	0.7%
German	137	0.4%
Dutch	126	0.3%
Norwegian	62	0.2%

Technology access

Metric	% of households
Computer access	41.0%
Internet access	95.8%

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

Frequently asked questions

What is the ZIP code for Key West, FL?

Key West, FL has one ZIP code: 33040.

What is the main ZIP code for Key West, FL?

The primary ZIP code for Key West, FL is 33040. The city uses area code 305 for phone service.

What county is Key West, FL in?

Key West is located in Monroe County, Florida.

How many ZIP codes are in Key West, FL?

Key West, FL has 1 ZIP code.

What ZIP code covers the historic Old Town district of Key West, including Duval Street and the Ernest Hemingway Home & Museum?

The Old Town historic district of Key West is located in ZIP code 33040, which encompasses the downtown area and most of the island's major attractions and landmarks.

What is the ZIP code for Key West International Airport and the surrounding areas on the southern end of the Florida Keys?

Key West International Airport is serviced by ZIP code 33040, which covers the entire Key West area including the airport facilities on the southern portion of the island.