33040 ZIP Code — Key West, FL
Monroe County, Florida
ZIP code 33040 is located in Key West, Florida, within Monroe County. It covers approximately 17.72 square miles and serves a population of 36,379 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 305.
About ZIP code 33040
The housing stock consists of a mix of housing types. Most homes were built in the 1960s, giving the area an established character. Median home value is $766,700. Owner-occupancy sits near the national average at 48%.
The gap between median ($80,069) and mean household income suggests income inequality — a small number of higher earners pull the average up.
The dominant occupation class is management, business, and professional, with arts, entertainment, and food service as the leading industry. The average commute of 15 minutes is near the national average.
Educational attainment is near the national average, with 37% of residents holding a bachelor's degree or higher.
17% of residents lack health insurance, above the national average.
36,379
population
17.72
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
33040 ZIP code map
Cities in ZIP code 33040
Below are the cities the US Postal Service accepts for ZIP code 33040. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Key West | Acceptable |
| Key West | Preferred |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 36,379 |
| Population density | 2,053 / sq mi |
| State FIPS | 12 |
| County FIPS | 087 |
| Geography | |
|---|---|
| Land area | 17.72 sq mi |
| Water area | 121.50 sq mi |
| Latitude | 24.6004 |
| Longitude | -81.8579 |
| Timezone | Eastern (ET) |
| Area code | 305 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 33.1% | 34.6% | 43.4% |
| $50k – $100k | 30.8% | 30.1% | 30.8% |
| $100k – $200k | 26.9% | 25.6% | 19.3% |
| Over $200k | 9.2% | 9.7% | 6.4% |
Demographics & statistics
36,379
Population
2,053
People per sq mi
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
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 33.1% | 34.6% | 43.4% |
| $50k – $100k | 30.8% | 30.1% | 30.8% |
| $100k – $200k | 26.9% | 25.6% | 19.3% |
| Over $200k | 9.2% | 9.7% | 6.4% |
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% |
| Work from home | 8.2% |
| 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 | % |
|---|---|
| Obesity | 30.8% |
| High blood pressure | 29.4% |
| High cholesterol | 29.9% |
| Diabetes | 10.0% |
| 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 | % |
|---|---|
| Smoking | 18.1% |
| Binge drinking | 19.7% |
| No physical activity | 23.7% |
| Less than 7 hrs sleep | 35.2% |
| Depression | 18.0% |
| 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% |
| No insurance | 17.0% |
| 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 about ZIP code 33040
What city is ZIP code 33040 in?
ZIP code 33040 is primarily assigned to Key West, Florida.
What county is ZIP code 33040 in?
ZIP code 33040 falls within Monroe County, Florida.
What is the typical home value in ZIP code 33040?
The median home value in ZIP code 33040 is $766,700.
What is the population of ZIP code 33040?
ZIP code 33040 has an estimated population of 36,379 residents, with a density of 2,053 people per square mile.
What is the median household income in ZIP code 33040?
The median household income in ZIP code 33040 is $80,069, above the national median of ~$75,000.
What timezone is ZIP code 33040 in?
ZIP code 33040 observes the EST timezone.