Zone
11B
Plant hardiness zone 11B
ZIP codes in USDA plant hardiness zone 11B. Population, income, and housing from US5 published metrics.
ZIP codes
11
Population
77,440
Median household income (avg.)
$88,672
Average home value
$764,100
What is USDA zone 11B?
Zone 11B is a USDA / PRISM plant hardiness band based on average annual extreme minimum winter temperature. Growers use it to compare winter-cold exposure across regions — it is a climate label, not a planting prescription.
US5 lists 11 indexable ZIP codes in this band, covering about 77,440 combined ZIP-area residents. The table below is sorted by population; use pagination to browse the full published set.
How to use this zone page
Scan communities inside zone 11B, then open any ZIP for full demographics, climate normals, schools, and nearby amenities. Zone membership comes from the USDA hardiness summary joined to published ZIP profiles.
ZIPs in zone 11B
| ZIP | City | County | State | Population | Income | Home value |
|---|---|---|---|---|---|---|
| 33040 | Key West | Monroe County | FL | 36,091 | $79,038 | $766,400 |
| 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 |
| 33045 | — | — | — | 4,629 | $78,771 | $598,600 |
| 33052 | — | — | — | 3,788 | $84,263 | $682,900 |
| 33036 | Islamorada, Village of Islands | Monroe County | FL | 3,632 | $88,214 | $995,600 |
| 33041 | — | — | — | 908 | $134,773 | $1,200,000 |
| 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 does zone 11B mean?
Zone 11B is a USDA plant hardiness band based on average annual extreme minimum winter temperature. It helps compare winter-cold exposure across places; it is not a planting prescription.
Why is the table sorted by population?
Population ordering surfaces larger communities first. The zone total counts all published ZIPs in band 11B; page through the table to browse beyond the first page.
Is a hardiness zone the same as a climate normal?
Hardiness zones summarize winter extreme cold. ZIP pages on US5 also show precipitation, snow, and FEMA risk context separately.