| City: | Key West, Florida |
| City Alias: | E Rockland Key, E Rockland Ky, East Rockland Key, Key West Nas, Key West Naval Air Station, Stock Island |
| Names to Avoid: | Fort Jefferson National Mon, Munson Island, Raccoon Key |
| County: | Monroe County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:46:56 PM |
| Population: | 35,958 [See All] |
| Area Codes: | 305 / 645 |
| Classification: | Standard [Normal Street Delivery] |
| Coordinates: | 24.5858, -81.6812 |
| Land Area: | 17.724 sq mi |
| Quick Link: |
ZIP Code 33040 has 35,958 residents and 15,206 households (average 2.31 persons per household). The median age is 44.4 years, slightly older than the state (43.0) and older than the nation (38.8). The gender split is 52.4% male and 47.6% female, which is higher than the state male share (48.6%), making this a male-majority area. Largest groups are White (66.0%, much higher than the state average of 57.7%) and Hispanic or Latino (25.1%); Hispanic or Latino residents make up 25.1%, which is higher than the national average (18.7%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 35,958Source: Census DHC |
| 2023 ACS Population Estimate: | 36,091Source: Census ACS |
| 2025 ZC Population Estimate: | 37,470Source: ZIP-Codes.com |
| Population Density: | 2,028.8 people per sq mile |
| Average Income: | $79,038Source: Census ACS |
| Households: | 15,206Source: Census DHC |
| Average House Value: | $766,400Source: Census ACS |
| Persons Per Household: | 2.31Source: Census DHC |
| Average Family Size: | 3.15Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 32,004 | 32,543 | 33,254 | 33,674 | 33,712 | 35,357 | 34,713 | 34,784 | 34,471 | 34,401 | 37,404 | 36,379 | 36,091 |
| Decennial Census | 32,891 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 35,958 | -- | -- | -- |
Median Age: 44.4
Male Median Age: 45
Female Median Age: 43.8
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 820 | 869 | 835 | 762 | 844 | 1,209 | 1,366 | 1,369 | 1,348 | 1,323 | 1,517 | 1,596 | 1,516 | 1,243 | 1,059 | 664 | 280 | 223 |
| Female | 779 | 805 | 829 | 749 | 749 | 1,092 | 1,358 | 1,269 | 1,182 | 1,232 | 1,300 | 1,350 | 1,243 | 1,164 | 928 | 512 | 288 | 286 |
| Total | 1,599 | 1,674 | 1,664 | 1,511 | 1,593 | 2,301 | 2,724 | 2,638 | 2,530 | 2,555 | 2,817 | 2,946 | 2,759 | 2,407 | 1,987 | 1,176 | 568 | 509 |
| White: | 23,715 | 59.85% |
| Black: | 3,886 | 9.81% |
| Hispanic:* | 9,041 | 22.82% |
| Asian: | 747 | 1.89% |
| American Indian: | 164 | 0.41% |
| Hawaiian: | 39 | 0.10% |
| Other: | 2,029 | 5.12% |
| Total: | 39,621 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 18,843 | 52.40% | 45.0 years |
| Females: | 17,115 | 47.60% | 43.8 years |
| Total: | 35,958 | 100% | 44.4 years |
| Native, born in the United States: | 27,177 | 75.30% |
| Native, born in PR, Island Areas, or abroad: | 942 | 2.61% |
| Foreign born, naturalized U.S. citizen: | 4,116 | 11.40% |
| Foreign born, not a U.S. citizen: | 3,856 | 22.09% |
| Total Population: | 36,091 | 100% |
| Total Native Population: | 28,119 | 77.91% |
| Total Foreign-born Population: | 7,972 | 22.09% |
In 2023, the Median household income is $79,038, which is markedly greater than the state median ($71,711), is up $27,000 (51.9%) since 2011 and above its 2019 pre-pandemic level by $9,336. Family households earn a median of $99,081 versus $60,671 for nonfamily households (a difference of $38,410). By gender, male median income is $55,630 and female is $49,067, which is well under the national female median ($53,445), with a current gap of $6,563 that has stayed about the same from 2011 to 2023. The labor-force participation rate is 73.0%, which is much higher than the state rate (59.6%). The unemployment rate is 2.6%, which is considerably lower than the national rate (5.2%). The largest occupation group is Management (31.5%).
Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $52,038 | $52,837 | $53,050 | $53,581 | $56,665 | $58,351 | $62,663 | $67,740 | $69,702 | $73,982 | $73,884 | $80,069 | $79,038 |
| Median Family Income | $61,094 | $58,094 | $58,512 | $59,534 | $63,818 | $68,026 | $74,540 | $75,548 | $80,682 | $84,462 | $82,531 | $89,962 | $99,081 |
| Median NonFamily Income | $42,941 | $44,091 | $43,481 | $39,788 | $39,223 | $38,416 | $39,587 | $47,146 | $48,333 | $53,150 | $57,164 | $62,668 | $60,671 |
| Median Male Income | $37,525 | $36,015 | $37,374 | $36,837 | $38,742 | $37,187 | $40,511 | $42,193 | $44,271 | $46,793 | $48,825 | $55,498 | $55,630 |
| Median Female Income | $30,515 | $28,238 | $30,538 | $33,776 | $36,605 | $36,123 | $38,264 | $39,185 | $38,780 | $40,746 | $43,016 | $47,434 | $49,067 |
| Employed: | 20,038 | 67.26% |
| Unemployed: | 557 | 1.87% |
| Not In Labor Force: | 9,197 | 30.87% |
| Total: | 29,792 | 100% |
| Management, business, science, and arts: | 6,316 | 31.52% |
| Service: | 5,083 | 25.37% |
| Sales and Office: | 4,319 | 21.55% |
| Natural resources, construction, and maintenance: | 2,477 | 12.36% |
| Production, transportation, and material moving: | 1,843 | 9.20% |
| Total Civilian Employed Population: | 20,038 | 100% |
In 2023, the median home value is $766,400, which is much higher than the national median ($303,400), is up $304,200 (65.82%) since 2011 and above its 2019 pre-pandemic level by $209,300. The median gross rent is $2,079, which is far above the national median ($1,348), is up $740 (55.27%) since 2011 and above its 2019 pre-pandemic level by $337. Of occupied housing, owners make up 48.35% (52.17% with a mortgage, 47.83% free-and-clear) and renters 51.65% - making this ZIP Code less home ownership than the state and higher than national rental averages. The vacancy rate is 20.80%, which is markedly above the national rate (10.43%).
Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $462,200 | $432,600 | $388,600 | $377,500 | $393,700 | $428,300 | $463,000 | $499,000 | $557,100 | $630,400 | $679,100 | $766,700 | $766,400 |
| Less than $500: | 425 | 5.47% |
| $500 to $999: | 552 | 7.10% |
| $1,000 to $1,499: | 1,202 | 15.46% |
| $1,500 to $1,999: | 1,351 | 17.38% |
| $2,000 to $2,499: | 1,353 | 17.41% |
| $2,500 to $2,999: | 1,139 | 14.65% |
| $3,000 or more: | 1,464 | 18.83% |
| No Rent: | 287 | 3.69% |
| Total: | 7,773 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $1,339 | $1,408 | $1,468 | $1,489 | $1,456 | $1,561 | $1,640 | $1,739 | $1,742 | $1,814 | $1,880 | $2,044 | $2,079 |
| Owner Occupied (with mortgage): | 3,796 | 25.22% |
| Owner Occupied (free and clear, no mortgage): | 3,480 | 23.12% |
| Renter Occupied: | 7,773 | 51.65% |
| Total Occupied Housing Units: | 15,049 | 100% |
| Occupied Housing Units: | 15,049 | 79.20% |
| Vacant Housing Units (not graphed): | 3,952 | 20.80% |
| Total Housing Units: | 19,001 | 100% |
| Single-Family Units: | 10,295 | 54.18% |
| Multi-Family Units: | 7,441 | 39.16% |
| Other Units: | 1,265 | 6.66% |
| Total Housing Units: | 19,001 | 100% |
In 2023, 37.80% of adults (25+) have a bachelor's degree or higher, which is notably higher than the state rate (33.20%). High school or higher is 92.00%, which is well above the national rate (89.40%). The uninsured rate is 17.60%, which is far higher than the national rate (8.60%). The share of people in poverty is 5.80%, which is generally lower than the state rate (8.90%), down 1.00 percentage points since 2011 and below its 2019 pre-pandemic level by 0.30 percentage points. This suggests a positive shift in the local economic and social landscape - higher incomes, steadier consumer demand, and a strengthening tax base. Among residents ages 3+, the largest enrollment group is elementary (41.01%). College enrollment is 23.78%, which is on par with the state rate (27.90%), meaning the community mirrors broader higher-education participation.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 809 | 2.88% |
| 9th to 12th grade, no diploma: | 1,424 | 5.07% |
| High school graduate (includes equivalency): | 7,768 | 27.67% |
| Some college, no degree: | 5,284 | 18.83% |
| Associate's degree: | 2,171 | 7.73% |
| Bachelor's degree: | 6,397 | 22.79% |
| Graduate or professional degree: | 4,216 | 15.02% |
| Total: | 28,069 | 100% |
| High school or higher: | 25,836 | 92.04% |
| Bachelor's degree or higher: | 10,613 | 37.81% |
| Private Insurance: | 21,059 | 54.42% |
| Public Insurance: | 11,580 | 29.92% |
| No Insurance: | 6,059 | 15.66% |
| Total: | 38,698 | 100% |
| Has Health Insurance: | 32,639 | 84.34% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 6.8% | 6.2% | 7.7% | 7.8% | 7.8% | 7.2% | 7.2% | 6.7% | 6.1% | 6.9% | 6.7% | 7.2% | 5.8% |
Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.
| Nursery School, Preschool: | 325 | 5.51% |
| Kindergarten: | 563 | 9.54% |
| Elementary school (grades 1-8): | 2,419 | 41.01% |
| High school (grades 9-12): | 1,189 | 20.16% |
| College or graduate school: | 1,403 | 23.78% |
| Total: | 5,899 | 100% |
| Early Childhood: | 888 | 15.05% |
| K-12 (Primary & Secondary School): | 4,171 | 70.71% |
ZIP Code 33040 supports both business and residential activity. According to the Business Census (2023), there are 1,787 business establishments, employing about 17,382 people with an annual payroll of $856,803,000. USPS data shows 16,221 residential mailboxes and 1,804 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 16,221Source: USPS |
| # Business Mailboxes: | 1,804Source: USPS |
| Total Delivery Receptacles: | 17,731Source: USPS |
| Single Family Delivery Units: | 10,200Source: USPS |
| Multi Family Delivery Units: | 2,249Source: USPS |
| # of Businesses: | 1,787Source: CBP |
| 1st Quarter Payroll: | $218,545,000Source: CBP |
| Annual Payroll: | $856,803,000Source: CBP |
| # of Employees: | 17,382Source: CBP |
ZIP Code 33040 is located in Monroe County, Florida, within the Key West-Key Largo, FL Metropolitan Statistical Area (CBSA 28580) and Florida's 28th Congressional District. This Micro area has a population of 81,840 people, about 43.94% of whom live in ZIP Code 33040. It covers 17.724 sq mi of land and a water area of 121.498 sq mi.
| CBSA Name: | Key West-Key Largo, FLSource: Census |
| CBSA Number: | 28580Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 81,840Source: Census |
| MSA: | Source: Census |
| Land Area: | 17.724 sq miSource: Census |
| Water Area: | 121.498 sq miSource: Census |
| Congressional District: | 28Source: USPS |
| Congressional Land Area: | 0 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1236550Source: Census |
| Place Name: | Key West city; FloridaSource: Census |
ZIP Code 33040 is in the Monroe County School District, which serves grades Pre-Kindergarten thru 12th. There are 14 public schools and 3 private school(s) in this ZIP Code. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on October 1, 2025.