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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
60181 Villa Park DuPage County IL 30,247 $90,375 $294,700
60035 Highland Park Lake County IL 30,236 $161,811 $594,600
68134 Omaha Douglas County NE 30,231 $67,353 $204,000
01020 Chicopee Hampden County MA 30,230 $70,971 $259,100
12203 Albany Albany County NY 30,080 $80,055 $258,800
68135 Omaha Douglas County NE 30,009 $139,563 $323,300
80120 Littleton Arapahoe County CO 29,992 $91,162 $596,400
12303 Rotterdam Albany County NY 29,989 $77,615 $227,500
81301 Durango La Plata County CO 29,892 $83,209 $634,900
53216 Milwaukee Milwaukee County WI 29,772 $43,466 $122,800
80302 Lazy Acres Boulder County CO 29,751 $60,649 $1,123,800
49464 Zeeland Ottawa County MI 29,738 $97,573 $316,700
80234 Westminster Adams County CO 29,573 $88,714 $493,900
80129 Highlands Ranch Douglas County CO 29,495 $136,915 $643,400
80247 Denver Denver County CO 29,453 $63,798 $295,400
80238 Denver Denver County CO 29,448 $166,191 $806,400
47362 New Castle Henry County IN 29,442 $56,564 $131,800
46614 South Bend St. Joseph County IN 29,339 $70,998 $174,900
60018 Chicago Cook County IL 29,302 $85,415 $302,400
53223 Milwaukee Milwaukee County WI 29,287 $60,477 $184,300
13090 Liverpool Onondaga County NY 29,180 $90,315 $196,600
46804 Fort Wayne Allen County IN 29,177 $84,778 $241,000
53212 Milwaukee Milwaukee County WI 29,099 $42,679 $204,300
46825 Fort Wayne Allen County IN 29,071 $68,890 $202,200
60515 Downers Grove DuPage County IL 29,045 $121,358 $453,300
60527 Burr Ridge DuPage County IL 29,024 $110,482 $488,300
60005 Arlington Heights Cook County IL 29,022 $100,304 $376,200
49015 Battle Creek Calhoun County MI 29,013 $67,719 $171,000
45365 Sidney Shelby County OH 28,955 $66,044 $173,000
60048 Libertyville Lake County IL 28,945 $169,283 $535,100
49401 Allendale Ottawa County MI 28,941 $73,020 $298,700
80005 Arvada Jefferson County CO 28,883 $136,360 $620,100
61821 Champaign Champaign County IL 28,838 $69,284 $174,800
46947 Logansport Cass County IN 28,830 $55,088 $110,300
60459 Burbank Cook County IL 28,822 $83,975 $258,900
62703 Springfield Sangamon County IL 28,820 $44,580 $93,100
60438 Lansing Cook County IL 28,802 $72,043 $168,600
68164 Omaha Douglas County NE 28,764 $88,688 $241,200
60656 Chicago Cook County IL 28,726 $88,000 $344,400
01610 Worcester Worcester County MA 28,719 $43,757 $279,100
03062 Nashua Hillsborough County NH 28,713 $102,849 $398,100
46845 Fort Wayne Allen County IN 28,664 $115,690 $314,000
60077 Skokie Cook County IL 28,651 $80,765 $327,400
48507 Flint Genesee County MI 28,648 $47,165 $101,200
01089 West Springfield Town Hampden County MA 28,635 $70,401 $307,900
46176 Shelbyville Shelby County IN 28,581 $66,045 $172,400
46218 Indianapolis city (balance) Marion County IN 28,560 $34,635 $90,200
44883 Tiffin Seneca County OH 28,554 $62,497 $152,600
60646 Chicago Cook County IL 28,499 $111,115 $493,600
13905 Binghamton Broome County NY 28,370 $53,757 $137,700

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.