Key Largo, FL 33037 ZIP Code Profile

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Key Largo, FL

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ZIP Code 33037: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Key Largo, FL 33037

Not Acceptable, USPS
Cross Key, FL 33037
Ocean Reef Club, FL 33037
Upper Key Largo, FL 33037

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 865
  • Single Family Addresses: 6,703
  • Multi-Family Addresses: 424
  • County: Monroe County
  • Centroid: Latitude 25.131, Longitude -80.41
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes

Neighborhood 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 certain data.


33037 ZIP Code Map

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Key Largo, FL 33037 Data & Demographics (As of July 1, 2016)


Total Population 12,357
Population in Households 12,090
Population in Familes 8,893
Population in Group Qrtrs 267
Population Density1 312
Diversity Index2 47


Total Households 5,503
Average Household Size 2.2
Family Households 3,275
Average Family Size 3


Total Housing Units 11,007 (100%)
Owner Occupied HU 3,579 (32.5%)
Renter Occupied HU 1,924 (17.5%)
Vacant Housing Units 5,504 (50.0%)
Median Home Value $394,110
Average Home Value $521,598


Median Household Income $56,238
Average Household Income $90,225
Per Capita Income $40,519
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 0.84% 1.11%
Households 0.64% 0.98%
Families 0.47% 0.88%
Median Household Income   2.73%
Per Capita Income   1.77%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Key Largo, FL 33037 - Peer Comparisons by Rank and Percentile

The table below compares 33037 to the other 965 ZIP Codes in Florida by rank and percentile using July 1, 2016 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 # 630 35th
Population Density1 # 654 32nd
Diversity Index2 # 507 48th
Median Household Income # 246 75th
Per Capita Income # 122 87th

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