Zone
4B
Plant hardiness zone 4B
Explore U.S. ZIP codes in USDA plant hardiness zone 4B. View community demographics, climate profiles, median income, and gardening data on US5.
ZIP codes
1,201
Population
4,115,345
Median household income (avg.)
$74,144
Average home value
$214,923
What is USDA zone 4B?
Zone 4B 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 1,201 indexable ZIP codes in this band, covering about 4,115,345 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 4B, 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 4B
Frequently asked questions
What does zone 4B mean?
Zone 4B 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 4B; 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.