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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
12110 Latham Albany County NY 19,969 $101,839 $306,100
49037 Battle Creek Calhoun County MI 19,924 $42,598 $90,600
46808 Fort Wayne Allen County IN 19,916 $53,632 $127,800
60106 Bensenville DuPage County IL 19,908 $78,027 $265,600
48837 Wacousta Eaton County MI 19,822 $93,161 $239,300
48377 Novi Oakland County MI 19,775 $83,368 $332,000
83864 Sandpoint Bonner County ID 19,773 $68,595 $474,100
44147 Broadview Heights Cuyahoga County OH 19,768 $99,431 $292,500
48532 Flint Genesee County MI 19,750 $58,118 $157,300
13901 Chenango Bridge Broome County NY 19,730 $54,165 $152,800
15905 Westmont Cambria County PA 19,722 $70,620 $118,600
80215 Lakewood Jefferson County CO 19,684 $85,017 $615,500
46135 Greencastle Putnam County IN 19,639 $70,847 $200,900
80223 Denver Denver County CO 19,624 $80,461 $497,900
68510 Lincoln Lancaster County NE 19,534 $64,183 $221,200
49058 Hastings Barry County MI 19,513 $71,169 $210,600
13204 Syracuse Onondaga County NY 19,511 $42,585 $97,400
61802 Urbana Champaign County IL 19,502 $58,588 $158,300
60805 Evergreen Park Cook County IL 19,498 $95,738 $255,700
49091 Sturgis St. Joseph County MI 19,448 $65,000 $173,800
60436 Joliet Will County IL 19,446 $63,570 $170,800
49002 Portage Kalamazoo County MI 19,444 $71,621 $223,000
48458 Beecher Genesee County MI 19,411 $43,496 $87,100
48854 Mason Ingham County MI 19,403 $91,956 $240,600
80218 Denver Denver County CO 19,364 $82,925 $653,900
13210 Syracuse Onondaga County NY 19,298 $38,783 $167,200
80224 Denver Denver County CO 19,265 $82,013 $565,400
60513 Brookfield Cook County IL 19,264 $108,527 $314,000
46733 Decatur Adams County IN 19,246 $63,804 $162,500
46816 Fort Wayne Allen County IN 19,240 $43,760 $129,100
48334 Farmington Hills Oakland County MI 19,218 $98,937 $327,200
62305 Quincy Adams County IL 19,077 $80,918 $203,500
48341 Pontiac Oakland County MI 19,060 $46,185 $124,600
53024 Grafton Ozaukee County WI 19,040 $91,675 $353,700
68128 La Vista Sarpy County NE 18,994 $81,870 $275,600
44511 Youngstown Mahoning County OH 18,919 $55,055 $110,700
46703 Angola Steuben County IN 18,907 $69,940 $221,800
44023 Bainbridge Geauga County OH 18,905 $130,452 $421,600
12477 Saugerties Ulster County NY 18,789 $72,353 $292,100
47834 Brazil Clay County IN 18,773 $66,677 $135,900
49202 Jackson Jackson County MI 18,763 $41,916 $104,100
49319 Cedar Springs Kent County MI 18,725 $78,247 $247,600
61550 Morton Tazewell County IL 18,688 $92,269 $247,000
49512 Kentwood Kent County MI 18,662 $70,955 $279,900
13205 Syracuse Onondaga County NY 18,562 $39,171 $96,300
13790 Johnson City Broome County NY 18,560 $54,764 $117,300
46373 St. John Lake County IN 18,509 $123,203 $375,300
48879 St. Johns Clinton County MI 18,472 $78,845 $215,100
49093 Three Rivers St. Joseph County MI 18,439 $63,040 $174,000
83204 Arbon Valley Power County ID 18,400 $55,191 $233,000

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.