Zone
5A
Plant hardiness zone 5A
Explore U.S. ZIP codes in USDA plant hardiness zone 5A. View community demographics, climate profiles, median income, and gardening data on US5.
ZIP codes
2,317
Population
9,286,677
Median household income (avg.)
$74,070
Average home value
$224,046
What is USDA zone 5A?
Zone 5A 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 2,317 indexable ZIP codes in this band, covering about 9,286,677 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 5A, 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 5A
| ZIP | City | County | State | Population | Income | Home value |
|---|---|---|---|---|---|---|
| 04940 | — | Franklin County | ME | — | — | — |
| 04992 | Farmington | Franklin County | ME | — | — | — |
| 05009 | White River Junction | Windsor County | VT | — | — | — |
| 05481 | — | Franklin County | VT | — | — | — |
| 05485 | — | Franklin County | VT | — | — | — |
| 05664 | — | Washington County | VT | — | — | — |
| 05746 | — | Windsor County | VT | — | — | — |
| 12872 | — | Essex County | NY | — | — | — |
| 53792 | Madison | Dane County | WI | — | — | — |
| 53940 | Lake Delton | Sauk County | WI | — | — | — |
| 55450 | Minneapolis | Hennepin County | MN | — | — | — |
| 59623 | Helena | Lewis and Clark County | MT | — | — | — |
| 81228 | — | Chaffee County | CO | — | — | — |
| 82335 | — | Carbon County | WY | — | — | — |
| 82630 | — | Natrona County | WY | — | — | — |
| 82646 | — | Natrona County | WY | — | — | — |
| 83671 | — | — | — | — | — | — |
Frequently asked questions
What does zone 5A mean?
Zone 5A 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 5A; 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.