ZIP codes
9
Monroe County, FL Demographics & ZIP Codes
Monroe County, Florida demographics and median household income by ZIP code — 9 ZIP codes — population 81,789 — avg. income $84,277 — avg. home value $731,589. Compare income, housing, and ZIP-level data on US5.
Population
81,789
Median household income (avg.)
$84,277
112% of U.S. median
Average home value
$731,589
210% of U.S. median
Average rent
$1,686
145% of U.S. median
Monroe County demographics
Monroe County, Florida covers 9 ZIP codes, with a combined ZIP-area population of about 81,789.
Median household income in Monroe County
The average median household income across ZIP codes in Monroe County, Florida is about $84,277 — about 13% above the FL ZIP average ($74,612), and about 12% above the U.S. median ($75,149).
Among ZIPs with income data, 33042 (Cudjoe Key) is near the top at about $101,625, while 33001 (Layton) is near the bottom at about $60,750.
Housing in Monroe County
For housing in Monroe County, Florida, the average median home value is about $731,589 and the average median rent is about $1,686.
The most populous ZIP is 33040 (Key West) with about 36,091 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Monroe County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 33040 | Key West | Monroe County | FL | 36,091 | $79,038 | $766,400 |
| 33037 | North Key Largo | Monroe County | FL | 13,674 | $80,911 | $660,700 |
| 33050 | Marathon | Monroe County | FL | 10,586 | $83,243 | $705,600 |
| 33042 | Cudjoe Key | Monroe County | FL | 6,781 | $101,625 | $759,600 |
| 33070 | Tavernier | Monroe County | FL | 5,614 | $77,228 | $695,000 |
| 33043 | Big Pine Key | Monroe County | FL | 4,632 | $92,955 | $563,700 |
| 33036 | Islamorada, Village of Islands | Monroe County | FL | 3,632 | $88,214 | $995,600 |
| 33051 | Key Colony Beach | Monroe County | FL | 525 | $94,531 | $834,800 |
| 33001 | Layton | Monroe County | FL | 254 | $60,750 | $602,900 |
Frequently asked questions
What are the demographics of Monroe County?
Monroe County, Florida has a combined ZIP-area population of about 81,789 across 9 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Monroe County?
The average median household income across ZIP codes in Monroe County, Florida is about $84,277, about 13% above the state ZIP average ($74,612), and about 12% above the U.S. median ($75,149). Average median home value is about $731,589. Among ZIPs with data, 33042 (Cudjoe Key) is near the top ($101,625) and 33001 (Layton) is near the bottom ($60,750).
How many ZIP codes are in Monroe County?
Monroe County, Florida includes 9 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Monroe County?
This page lists ZIP codes in Monroe County, Florida with population, median household income, and home value. Select a ZIP for a full demographics profile.