Residential delivery area · Florida
ZIP Code 33050: Marathon, FL
ZIP code 33050 is in Marathon, Florida, entirely in Monroe County (Census 2020 ZIP-county file). About 11,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $94,898 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Marathon (93%) and Duck Key (7%).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Marathon · its only residential ZIP
- County
- Monroe County
- Census places
- Marathon (93%); Duck Key (7%) census-designated place
- Micro area
- Key West-Key Largo, FL
- House district
- FL-28 119th Congress
- State
- Florida
- Time zone
- Eastern
- Land area
- 9.1 sq mi · 1,163 people per sq mi
Where is ZIP code 33050?
33050 centers on 24.750°, -80.987° and covers 9.1 square miles of land plus 46.2 of water. It borders 1 ZIP code: 33051.
The map draws ZIP code areas only. For the streets inside 33050, 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 33050 compare with the rest of Monroe County?
| Measure | 33050 | In Monroe County | In FL |
|---|---|---|---|
| People (ACS 2020-2024) | 10,561 | 4th of 11 | 699th of 1,013 |
| Median household income | $95k | 2nd of 6 | 179th of 819 |
| Median home value | $747k | 4th of 8 | 41st of 833 |
Its median household income is higher than in 77% of U.S. residential ZIP codes, and it is denser than 80% of all 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 33050?
The 2020 Census counted 10,479 people in 33050; the ACS, which samples households over 2020-2024, estimates 10,561. Between the 2010 and 2020 censuses its population grew 17.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 10,561
- 2020 Census count
- 10,479+17.5% since 2010 (8,922)
- Households
- 4,313
- Median age
- 47.9
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 33050?
Of the 10,561 people the ACS estimates in 33050, 19.7% are under 18 and 22.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (60.9%), then Hispanic or Latino (32.5%).
- Under 1819.7%
- 18 to 6458.0%
- 65 and older22.3%
- White, not Hispanic60.9%
- Hispanic or Latino32.5%
- Other or two or more3.6%
- Black, not Hispanic2.6%
- Asian, not Hispanic0.4%
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 33050 earn?
Median household income is $94,898 (ACS 2020-2024), the 2nd highest of the 6 ranked ZIP codes in Monroe County. It rose from $70,597 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $94,898±$12,522
- Income per person
- $56,273
- Below the poverty line
- 13.3%
- Unemployed (of the labor force)
- 4.5%
- Adults 25+ with a bachelor's degree
- 34.3%
- Adjusted gross income per tax return, 2022
- $120,5165,660 returns; wages 39% of AGI (IRS)
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 33050?
FHFA's house price index for 33050, built from repeat sales and appraisals of the same homes, rose 110% from 2015 to 2025 and rose 55% from 2020 to 2025, and moved −1.5% in 2025.
- Median home value (owners' estimate)
- $747,300
- Median gross rent
- $1,653
- Homes owned by their occupants
- 61.5%
- Housing units
- 7,323
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 33050?
600 business establishments had a location in this ZIP code in 2023, 34 more than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services78
- Real estate and rental and leasing71
- Retail trade66
- Construction56
- Professional, scientific, and technical services56
- Other services (except public administration)56
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 33050?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 33051 | Key Colony Beach | 511 | $94k | 2.9 mi |
| 33001 | Long Key | 250 | – | 13.0 mi (near) |
| 33043 | Big Pine Key | 4,298 | $111k | 18.1 mi (near) |
| 33036 | Islamorada | 3,777 | $86k | 20.9 mi (near) |
| 33042 | Summerland Key | 6,441 | $103k | 32.9 mi (near) |
| 33070 | Tavernier | 5,768 | $75k | 33.9 mi (near) |
| 33037 | Key Largo | 14,770 | $87k | 48.6 mi (near) |
| 33034 | Homestead | 23,823 | $47k | 51.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.