Zone
10A
Plant hardiness zone 10A
ZIP codes in USDA plant hardiness zone 10A. Population, income, and housing from US5 published metrics.
ZIP codes
1,149
Population
23,319,795
Median household income (avg.)
$88,272
Average home value
$597,247
What is USDA zone 10A?
Zone 10A 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 1,149 indexable ZIP codes in this band, covering about 23,319,795 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 10A, 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 10A
Frequently asked questions
What does zone 10A mean?
Zone 10A 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 10A; 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.