Marathon, FL 33050 ZIP Code Profile


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ZIP Code 33050: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Marathon, FL 33050

Acceptable Alternative
Conch Key, FL 33050
Duck Key, FL 33050
Grassy Key, FL 33050
Marathon Shores, FL 33050
Marathon Shrs, FL 33050

  • ZIP Code Type: STANDARD
  • County: Monroe County
  • Centroid: Latitude 24.724, Longitude -81.047
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 790
  • PO Box Addresses: 683
  • Residential Addresses: 5,594
    • Multi-Family Addresses: 436
    • Single Family Addresses: 5,158

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


33050 ZIP Code Map

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Marathon, FL 33050 Data & Demographics (As of July 1, 2017)


Total Population 9,320
Daytime Population: Workers 6,084
Daytime Population: Residents 4,784
Total Daytime Population (TDP) 10,868
Ratio TDP/Total Population1 1.17
Population in Households 9,094
Population in Familes 6,502
Population in Group Qrtrs 226
Population Density2 1,036
Diversity Index3 54


Median Household Income $51,679
Average Household Income $77,442
Per Capita Income $34,748


Total Housing Units 7,530 (100%)
Owner Occupied HU 2,155 (28.6%)
Renter Occupied HU 1,983 (26.3%)
Vacant Housing Units 3,392 (45.0%)
Median Home Value $403,560
Average Home Value $460,104


Total Households 4,138
Average Household Size 2.2
Family Households 2,430
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.57% 0.75%
Households 0.51% 0.71%
Families 0.39% 0.64%
Median Household Income   2.1%
Per Capita Income   3.68%

Marathon, FL 33050 - Peer Comparisons by Rank and Percentile

The table below compares 33050 to the other 967 ZIP Codes in Florida by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 705 27th
Population Density # 491 49th
Diversity Index # 409 58th
Median Household Income # 388 60th
Per Capita Income # 238 75th

Additional comparisons and rankings can be made with a VERY EASY TO USE Florida Census Data Comparison Tool.

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