Zone
9B
Plant hardiness zone 9B
Explore U.S. ZIP codes in USDA plant hardiness zone 9B. View community demographics, climate profiles, median income, and gardening data on US5.
ZIP codes
1,918
Population
34,156,501
Median household income (avg.)
$82,262
Average home value
$449,970
What is USDA zone 9B?
Zone 9B 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 1,918 indexable ZIP codes in this band, covering about 34,156,501 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 9B, 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 9B
| ZIP | City | County | State | Population | Income | Home value |
|---|---|---|---|---|---|---|
| 85654 | Rillito | Pima County | AZ | — | — | — |
| 85709 | Tucson | Pima County | AZ | — | — | — |
| 85724 | Tucson | Pima County | AZ | — | — | — |
| 85726 | Tucson | Pima County | AZ | — | — | — |
| 86443 | — | Mohave County | AZ | — | — | — |
| 91371 | Los Angeles | Los Angeles County | CA | — | — | — |
| 92280 | — | San Bernardino County | CA | — | — | — |
| 92304 | — | San Bernardino County | CA | — | — | — |
| 93220 | Tarina | Kern County | CA | — | — | — |
| 94562 | Oakville | Napa County | CA | — | — | — |
| 95226 | — | Calaveras County | CA | — | — | — |
| 95234 | — | — | — | — | — | — |
| 95309 | Chinese Camp | Tuolumne County | CA | — | — | — |
| 95325 | Hornitos | Mariposa County | CA | — | — | — |
| 95430 | Monte Rio | Sonoma County | CA | — | — | — |
| 95613 | Coloma | El Dorado County | CA | — | — | — |
| 95958 | Durham | Butte County | CA | — | — | — |
| 95972 | — | Yuba County | CA | — | — | — |
Frequently asked questions
What does zone 9B mean?
Zone 9B 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 9B; 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.