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Plant hardiness zone 6A

ZIP codes in USDA plant hardiness zone 6A. Population, income, and housing from US5 published metrics.

Zone
6A
ZIP codes
4,855
Population
35,646,945
Median household income (avg.)
$75,369
Average home value
$228,792
All hardiness zones Opportunity zones ZIP lists ZIP rankings

What is USDA zone 6A?

Zone 6A 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 4,855 indexable ZIP codes in this band, covering about 35,646,945 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 6A, 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 6A

ZIP City County State Population Income Home value
97737 Gilchrist Klamath County OR 525 $86,083 $269,400
43029 — Madison County OH 524 $105,954 $241,700
65283 Stoutsville Monroe County MO 524 $44,318 $230,900
48432 — Huron County MI 523 $62,500 $142,200
04576 — Lincoln County ME 521 $83,438 $416,100
43006 Gann (Brinkhaven) Coshocton County OH 521 $54,659 $116,100
45835 Dola Hardin County OH 521 $92,813 $95,600
66949 Ionia Jewell County KS 521 $44,844 $73,200
46537 La Paz Marshall County IN 520 $61,813 $125,400
68322 Bruning Thayer County NE 520 $73,125 $134,100
84336 Snowville Box Elder County UT 520 $87,153 $278,300
61932 Hume Edgar County IL 519 $61,688 $90,600
80914 Colorado Springs El Paso County CO 519 — —
04573 — Lincoln County ME 518 $85,682 $397,600
61482 Table Grove Fulton County IL 518 $67,083 $74,200
04571 — Lincoln County ME 517 $56,447 $252,200
24927 Cass Pocahontas County WV 517 $21,422 $59,700
63465 St. Francisville Clark County MO 517 $76,042 —
64630 Browning Sullivan County MO 516 $61,042 $124,500
81253 — Custer County CO 516 $73,061 $288,600
64449 Fillmore Andrew County MO 515 $64,375 $102,900
93517 Bridgeport Mono County CA 513 $98,882 $321,100
47866 — Vigo County IN 512 $83,558 $177,500
13153 — Onondaga County NY 510 $147,901 $206,600
16372 Clintonville Venango County PA 510 $43,750 $95,300
47994 Wingate Montgomery County IN 510 $98,125 $111,200
61470 Prairie City McDonough County IL 509 $38,750 $104,100
66416 Circleville Jackson County KS 509 $65,625 $151,000
67430 Cawker City Jewell County KS 508 $51,696 $90,400
68346 Dunbar Otoe County NE 508 $87,500 $115,600
12749 Kauneonga Lake Sullivan County NY 507 $170,524 —
18469 — Wayne County PA 506 $64,281 $349,500
46039 — Clinton County IN 506 $76,458 $108,800
45870 New Hampshire Auglaize County OH 505 $154,643 $115,500
62673 Oakford Menard County IL 505 $80,606 $134,400
61437 Gladstone Henderson County IL 504 $75,729 $139,200
62543 Latham Logan County IL 504 $77,083 $86,100
01032 — Hampshire County MA 503 $79,583 $319,200
61477 Smithfield Fulton County IL 503 $60,227 $109,200
18626 Laporte Sullivan County PA 502 $76,563 $268,000
61830 Cisco Piatt County IL 502 $66,750 $135,200
64459 — Andrew County MO 502 $75,462 $184,700
66532 Robinson Brown County KS 500 $74,375 $158,300
15715 Big Run Jefferson County PA 498 $54,722 $102,000
16859 Moshannon Centre County PA 498 $56,667 $134,300
64074 Napoleon Lafayette County MO 498 $106,500 $235,000
43735 East Fultonham Muskingum County OH 497 $100,792 —
04662 Northeast Harbor Hancock County ME 495 $150,250 $606,700
46957 Matthews Grant County IN 493 $46,875 $76,600
61724 Bellflower McLean County IL 493 $87,143 $133,700

Frequently asked questions

What does zone 6A mean?

Zone 6A 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 6A; 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.