Residential delivery area · Florida

ZIP Code 33051: Key Colony Beach, FL

ZIP code 33051 is in Key Colony Beach, Florida, entirely in Monroe County (Census 2020 ZIP-county file). About 510 people live there (Census Bureau, ACS 2020-2024). Median household income is $94,231 (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020
  • ZBP2023
3national area: Florida, Alabama, Georgia, Mississippi, Tennessee and Armed Forces Americas
330sectional center: Miami, FL (SCF 331)
51delivery area within it
Town
Key Colony Beach · its only residential ZIP
Census places
Key Colony Beach
Micro area
Key West-Key Largo, FL
House district
FL-28 119th Congress
State
Florida
Time zone
Eastern
Land area
0.4 sq mi · 1,164 people per sq mi

Where is ZIP code 33051?

33051 centers on 24.723°, -81.022° and covers 0.4 square miles of land plus 0.2 of water. It borders 1 ZIP code: 33050.

33050 · Marathon33051 · Key Colony Beach (this ZIP)330513305033050 · Marathon33051 · Key Colony Beach (this ZIP)330513305033050 · Marathon33051 · Key Colony Beach (this ZIP)3305133050
Shaded by median household income, in national fifths (ACS 2020-2024); 33051 outlined. Census 2020 ZCTA boundaries.<$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 33051, open its center on OpenStreetMap.

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).

How does 33051 compare with the rest of Monroe County?

Rank of 33051 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure33051In Monroe CountyIn FL
People (ACS 2020-2024)5119th of 11937th of 1,013
Median household income$94knot rankednot ranked
Median home value$920knot rankednot ranked

33051's income and home value are not ranked: it has fewer than 1,000 residents (511). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.

It is denser than 80% of U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).

How many people live in 33051?

The 2020 Census counted 790 people in 33051; the ACS, which samples households over 2020-2024, estimates 511. Between the 2010 and 2020 censuses its population fell 0.8% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
511±179 (90% margin)
2020 Census count
790−0.8% since 2010 (796)
Households
282
Median age
66.5

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).

Who lives in 33051?

Of the 511 people the ACS estimates in 33051, 3.1% are under 18 and 55.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (90.6%).

  • Under 183.1%
  • 18 to 6441.7%
  • 65 and older55.2%
Age of the people of 33051 (ACS 2020-2024, B01001)
  • White, not Hispanic90.6%
  • Hispanic or Latino9.4%
  • Black, not Hispanic0.0%
  • Asian, not Hispanic0.0%
  • Other or two or more0.0%
Race and Hispanic origin in 33051 (ACS 2020-2024, B03002); each person counted once

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.

What do households in 33051 earn?

Median household income is $94,231 (ACS 2020-2024). It is not measurably different from 2015-2019 ($122,935 in 2024 dollars): the change is within the surveys' margins of error.

Median household income
$94,231±$44,176
Income per person
$50,017
Below the poverty line
8.2%
Unemployed (of the labor force)
0.0%
Adults 25+ with a bachelor's degree
43.8%

Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).

What are homes worth in 33051?

Median home value (owners' estimate)
$919,800
Median gross rent
$1,929
Homes owned by their occupants
68.1%
Housing units
1,105

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).

What businesses are in 33051?

39 business establishments had a location in this ZIP code in 2023, 8 more than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).

  • Other services (except public administration)11
  • Real estate and rental and leasing6
  • Accommodation and food services6
  • Construction4
  • Professional, scientific, and technical services3
  • Administrative and support and waste management and remediation services3

Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).

Which ZIP codes are next to 33051?

ZIP codes that share a boundary with 33051, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
33050Marathon10,561$95k2.9 mi
33043Big Pine Key4,298$111k15.5 mi (near)
33001Long Key250–15.8 mi (near)
33036Islamorada3,777$86k23.7 mi (near)
33042Summerland Key6,441$103k30.5 mi (near)
33070Tavernier5,768$75k36.7 mi (near)
33037Key Largo14,770$87k51.5 mi (near)
33034Homestead23,823$47k54.0 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.