Key West, FL · standard

ZIP Code 33040

Monroe County, Florida - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

32,891
686/sq mi
$86,586
Median income
$819,400
Median home value
38.2%
Bachelor's or higher

National ZIP placement

Key West pairs an above-median household income with top-decile home values, in a low-density, mixed-tenure area.

Top 30%
household income, US ZIPs
Top 4%
home value, US ZIPs
686
people per sq mi
50%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 33040 against every reporting US ZIP.

FHFA HPI release change

What changed in the latest House Price Index year

2023 -> 2024
  • FHFA House Price Index values in ZIP 33040 (Key West, FL) fell -2.0% from 2023 to 2024. The all-transactions index moved from 344.8 in 2023 to 337.9 in 2024 (2000 = 100).

Arithmetic difference between stored FHFA all-transactions ZIP House Price Index annual values - a developmental index from repeat sales and appraisals, not a transaction median, appraisal opinion, or forecast. Thin markets can move sharply.

National HPI changes Year-pair CSV

ZIP code 33040 is a densely settled ZIP (a standard USPS delivery area) in Key West, Monroe County, Florida, with 32,891 residents across 47.9 square miles, a density of 686 people per square mile, in the New York time zone.

ZIP 33040 lands in the middle-income range, with a median household income of $86,586 (12% above the average Florida ZIP), while per-capita income is $57,545. The poverty rate is 10.0%, with unemployment at 2.6%; those measures add context to the income figure. Median home value is $819,400 (118% above the average Florida ZIP) and median rent is $2,167; 50.2% of occupied homes are owner-occupied.

A solid share of residents have a four-year degree: 38.2% of adults hold a bachelor's degree or higher, the median age is 43.8, and the average commute is 16 minutes. No nearby ZIP peer set is available for this delivery area, so the Florida and national benchmarks above are the appropriate context for 33040.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

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Top industries in ZIP 33040

Top 5 sectors by establishment count in Key West, FL

Which industries have the most business establishments in ZIP 33040.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 33040, Key West, FL · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

32,891

Population

47.9

Area (sq mi)

686

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 33040?

43.8

Median Age

51.8%

Male

48.2%

Female

23.1%

Foreign-Born

White 61.4%
African American 14.4%
Asian 2.0%
American Indian or Alaska Native 0.2%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 16.9%
Hispanic or Latino 25.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$86,586

Median Household Income

+12% vs state ZIP avg

$57,545

Per Capita Income

10.0%

Poverty Rate

2.6%

Unemployment Rate

15.8 min

Mean Commute Time

How ZIP 33040 ranks nationally

Key West, FL household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$86,586 Top 30% higher than 70% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). This entry sits in this band. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 66.5%
Bachelor's Degree or Higher 38.2%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

19,404

Total Housing Units

14,574

Occupied Units

4,830

Vacant Units

2.35

Avg Household Size

Occupancy Type

Owner 50.2%
Renter 49.8%

$819,400

Median Home Value

+118% vs state ZIP avg

$2,167

Median Rent

1974

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

-2.0%

YoY Change (2024)

338

HPI Index (2000 = 100)

+238%

Total Change Since 2000

Home values in ZIP 33040 have decreased 2.0% over the past year (2024). Since 2000, this ZIP has seen +238% cumulative appreciation.

Year Annual Change HPI Index
2020 +2.7% 236
2021 +12.1% 265
2022 +19.6% 316
2023 +9.0% 345
2024 -2.0% 338

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 1,787 business establishments in ZIP 33040, employing approximately 17,382 people with a combined annual payroll of $856,803,000.

1,787

Businesses

17,382

Employees

$856.8M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Accommodation and food services 312 17.5%
Retail trade 311 17.4%
Professional, scientific, and technical services 185 10.3%
Real estate and rental and leasing 175 9.8%
Construction 136 7.6%
Other services (except public administration) 127 7.1%
Health care and social assistance 112 6.3%
Administrative and support and waste management and remediation services 100 5.6%
Transportation and warehousing 84 4.7%
Arts, entertainment, and recreation 81 4.5%
Finance and insurance 49 2.7%
Wholesale trade 36 2.0%
Manufacturing 31 1.7%
Information 18 1.0%
Educational services 17 0.9%
Agriculture, forestry, fishing and hunting 9 0.5%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nationwide ZIPs with similar ACS profiles

Two Census-derived peer sets for ZIP 33040, both outside FL so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).

Similar population

Nearest cross-state ZIPs by resident population (32,891 here; floor ≥1,000).

Similar median household income

Nearest cross-state ZIPs by ACS median household income.

More ZIP Codes in Monroe County

Frequently Asked Questions

What county is ZIP code 33040 in?
ZIP code 33040 (Key West) is located in Monroe County, Florida. Monroe County contains multiple ZIP codes, see the full list at /counties/monroe-fl.
What is the population of ZIP code 33040?
ZIP code 33040 in Key West, FL has a population of 32,891 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 33040?
The median household income in ZIP 33040 is $86,586, which is 13% above the national average of $76,288.
What is the average home value in ZIP 33040?
The median home value in ZIP 33040 is $819,400, which is 195% above the national average of $278,155.
What is the demographic makeup of ZIP 33040?
The largest racial group in ZIP 33040 is White at 61.4%. Hispanic or Latino residents make up 25.4% of the population.
How many businesses are in ZIP code 33040?
ZIP code 33040 has 1,787 business establishments employing approximately 17,382 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 33040?
The top industries by establishment count in ZIP 33040 are: Accommodation and food services (312), Retail trade (311), Professional, scientific, and technical services (185). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 33040?
According to the FHFA House Price Index, home values in ZIP 33040 decreased by 2.0% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 238%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 33040?
In ZIP code 33040, 66.5% of residents aged 25+ have a high school diploma or higher, and 38.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 33040?
The mean commute time for workers in ZIP code 33040 is 15.8 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 33040?
In ZIP code 33040, approximately 50.2% of occupied housing units are owner-occupied and 49.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 33040?
The poverty rate in ZIP code 33040 is 10.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Related

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Read our methodology : how this data is sourced, computed, and verified.