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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
60561 Darien DuPage County IL 22,975 $109,974 $388,800
48346 Village of Clarkston Oakland County MI 22,954 $97,857 $295,200
01013 Chicopee Hampden County MA 22,950 $64,039 $249,300
60008 Rolling Meadows Cook County IL 22,949 $96,213 $295,000
46725 Columbia City Whitley County IN 22,941 $76,214 $216,700
03867 Rochester Strafford County NH 22,886 $74,397 $259,200
44202 Aurora Portage County OH 22,857 $116,556 $356,000
48503 Flint Genesee County MI 22,809 $40,155 $75,400
48473 Swartz Creek Genesee County MI 22,793 $76,765 $191,700
47331 Connersville Fayette County IN 22,769 $56,530 $115,300
80237 Denver Denver County CO 22,764 $86,723 $587,400
48442 Holly Oakland County MI 22,720 $80,281 $252,500
03833 Exeter Rockingham County NH 22,676 $110,566 $456,000
80113 Cherry Hills Village Arapahoe County CO 22,619 $95,543 $699,600
60491 Homer Glen Will County IL 22,585 $132,788 $404,800
13208 Syracuse Onondaga County NY 22,549 $40,641 $110,300
04074 Oak Hill Cumberland County ME 22,527 $125,642 $502,700
45371 Tipp City Miami County OH 22,521 $89,425 $272,100
80124 Lone Tree Douglas County CO 22,472 $126,775 $726,600
64157 Kansas City Clay County MO 22,429 $137,681 $360,800
80232 Lakewood Jefferson County CO 22,398 $87,799 $487,100
80207 Denver Denver County CO 22,382 $112,325 $661,900
80203 Denver Denver County CO 22,355 $74,654 $462,500
45331 Greenville Darke County OH 22,298 $53,797 $159,100
44406 Canfield Mahoning County OH 22,297 $99,542 $260,600
14020 Batavia Genesee County NY 22,209 $59,834 $148,100
64506 St. Joseph Buchanan County MO 22,107 $61,713 $220,500
60803 Alsip Cook County IL 22,089 $66,555 $200,600
48331 Farmington Hills Oakland County MI 22,033 $121,101 $383,200
12304 Schenectady Schenectady County NY 22,027 $67,688 $171,500
87301 Gallup McKinley County NM 21,981 $58,302 $134,700
48846 Ionia Ionia County MI 21,940 $66,717 $172,300
68105 Omaha Douglas County NE 21,933 $53,253 $187,600
49014 Battle Creek Calhoun County MI 21,931 $63,383 $159,100
44087 Twinsburg Summit County OH 21,930 $95,810 $290,500
68106 Omaha Douglas County NE 21,928 $70,649 $202,900
46818 Fort Wayne Allen County IN 21,914 $86,583 $221,000
13088 Galeville Onondaga County NY 21,875 $73,814 $166,500
46805 Fort Wayne Allen County IN 21,851 $50,099 $131,300
46580 Warsaw Kosciusko County IN 21,812 $70,978 $175,700
46256 Indianapolis city (balance) Marion County IN 21,785 $86,529 $277,800
01104 Springfield Hampden County MA 21,745 $47,530 $210,800
60490 Bolingbrook Will County IL 21,739 $148,153 $378,800
47803 Terre Haute Vigo County IN 21,702 $59,306 $146,600
44484 Howland Center Trumbull County OH 21,634 $65,435 $166,100
12144 Rensselaer Rensselaer County NY 21,631 $88,357 $235,300
48842 Holt Ingham County MI 21,504 $86,830 $211,500
48114 Brighton Livingston County MI 21,476 $118,581 $384,800
53143 Kenosha Kenosha County WI 21,436 $67,105 $186,600
46324 Hammond Lake County IN 21,433 $61,118 $141,600

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.