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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
49010 Allegan Allegan County MI 18,394 $72,361 $204,200
60104 Bellwood Cook County IL 18,390 $77,270 $219,300
46016 Anderson Madison County IN 18,380 $35,543 $66,100
62656 Lincoln Logan County IL 18,364 $59,129 $128,900
68007 Bennington Douglas County NE 18,360 $137,767 $369,900
44241 Streetsboro Portage County OH 18,355 $81,392 $190,700
62711 Springfield Sangamon County IL 18,351 $123,507 $299,400
80007 Arvada Jefferson County CO 18,290 $171,017 $818,400
80202 Denver Denver County CO 18,233 $110,372 $677,100
12189 Watervliet Albany County NY 18,205 $62,763 $199,600
68505 Lincoln Lancaster County NE 18,185 $71,966 $216,600
60465 Palos Hills Cook County IL 18,139 $83,969 $259,200
04101 Portland Cumberland County ME 18,128 $60,726 $600,600
48820 DeWitt Clinton County MI 18,109 $106,651 $318,400
48505 Flint Genesee County MI 18,108 $31,477 $28,300
60521 Hinsdale DuPage County IL 18,097 $244,318 $988,000
60131 Franklin Park Cook County IL 18,059 $76,404 $261,800
18466 — Monroe County PA 17,997 $77,508 $181,300
45895 Wapakoneta Auglaize County OH 17,983 $72,965 $181,700
53110 Cudahy Milwaukee County WI 17,964 $66,717 $201,000
46250 Indianapolis city (balance) Marion County IN 17,933 $69,591 $288,900
80121 Centennial Arapahoe County CO 17,929 $136,287 $684,900
48838 Greenville Montcalm County MI 17,925 $66,126 $190,400
46040 Fortville Hancock County IN 17,891 $144,834 $433,800
01301 Greenfield Franklin County MA 17,876 $54,347 $253,800
48386 — Oakland County MI 17,860 $90,805 $295,000
48374 Novi Oakland County MI 17,828 $185,203 $551,500
46952 Marion Grant County IN 17,825 $53,481 $129,000
49004 Kalamazoo Kalamazoo County MI 17,796 $72,434 $183,500
18612 Dallas Luzerne County PA 17,754 $97,022 $250,700
46064 Pendleton Madison County IN 17,730 $92,012 $256,500
17745 Lock Haven Clinton County PA 17,722 $53,602 $181,800
46319 Griffith Lake County IN 17,683 $75,976 $194,300
01027 Easthampton Town Hampshire County MA 17,678 $73,657 $348,300
04102 Portland Cumberland County ME 17,642 $79,631 $464,100
46013 Anderson Madison County IN 17,616 $49,557 $120,400
13903 Binghamton Broome County NY 17,528 $61,244 $144,700
61455 Macomb McDonough County IL 17,511 $45,048 $117,900
14052 Billington Heights Erie County NY 17,501 $103,474 $312,000
43056 Heath Licking County OH 17,485 $76,833 $229,900
12534 Stottville Columbia County NY 17,468 $76,086 $260,800
68508 Lincoln Lancaster County NE 17,444 $33,561 $121,400
48304 Bloomfield Hills Oakland County MI 17,436 $140,700 $481,500
49331 Lowell Kent County MI 17,419 $92,443 $293,600
01075 — Hampshire County MA 17,410 $93,646 $324,800
48912 Lansing Ingham County MI 17,398 $53,072 $139,900
68504 Lincoln Lancaster County NE 17,396 $52,159 $169,000
13203 Syracuse Onondaga County NY 17,387 $46,526 $148,700
46113 Indianapolis city (balance) Morgan County IN 17,367 $85,510 $225,700
68114 Omaha Douglas County NE 17,364 $73,361 $273,100

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.