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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
48316 — Macomb County MI 28,355 $101,232 $362,100
49519 Wyoming Kent County MI 28,308 $75,373 $220,300
46229 Indianapolis city (balance) Marion County IN 28,284 $62,982 $170,100
61822 Champaign Champaign County IL 28,246 $97,044 $264,600
61614 Peoria Peoria County IL 28,142 $68,379 $169,700
49509 Wyoming Kent County MI 28,133 $64,981 $183,400
49428 Jenison Ottawa County MI 28,090 $92,290 $276,100
48317 Utica Macomb County MI 27,998 $72,465 $248,700
46234 Indianapolis city (balance) Hendricks County IN 27,941 $83,137 $226,400
46628 South Bend St. Joseph County IN 27,929 $56,889 $164,500
68506 Lincoln Lancaster County NE 27,909 $70,501 $245,200
43512 Defiance Defiance County OH 27,894 $72,082 $149,300
60061 Vernon Hills Lake County IL 27,883 $121,588 $390,300
48603 Freeland Saginaw County MI 27,846 $65,690 $181,800
53405 Racine Racine County WI 27,843 $68,339 $173,600
48306 Rochester Hills Oakland County MI 27,831 $165,545 $522,200
48116 Brighton Livingston County MI 27,817 $109,606 $355,800
60655 Chicago Cook County IL 27,794 $114,443 $303,300
61801 Urbana Champaign County IL 27,755 $37,948 $184,000
44515 Austintown Mahoning County OH 27,740 $52,831 $142,200
43054 New Albany Franklin County OH 27,727 $139,679 $483,100
60015 Deerfield Lake County IL 27,720 $186,786 $602,700
03054 East Merrimack Hillsborough County NH 27,604 $128,897 $406,200
45056 Oxford Butler County OH 27,598 $53,413 $247,700
61604 Peoria Peoria County IL 27,502 $50,628 $100,000
48602 Saginaw Saginaw County MI 27,490 $46,068 $70,200
48108 Ann Arbor Washtenaw County MI 27,472 $80,425 $378,300
52601 Burlington Des Moines County IA 27,465 $57,123 $125,500
60087 Waukegan Lake County IL 27,428 $79,162 $185,800
53208 Milwaukee Milwaukee County WI 27,407 $50,585 $196,300
46304 Chesterton Porter County IN 27,402 $88,551 $278,300
48867 Owosso Shiawassee County MI 27,399 $58,718 $145,600
60091 Wilmette Cook County IL 27,369 $190,250 $800,100
46750 Huntington Huntington County IN 27,341 $60,883 $142,200
60621 Chicago Cook County IL 27,318 $33,235 $161,900
80907 Colorado Springs El Paso County CO 27,135 $71,393 $371,200
16335 Meadville Crawford County PA 27,112 $58,531 $149,500
04106 South Portland Cumberland County ME 26,966 $83,744 $403,500
80033 Wheat Ridge Jefferson County CO 26,841 $84,719 $568,900
46815 Fort Wayne Allen County IN 26,811 $67,224 $186,500
44903 Mansfield Richland County OH 26,804 $65,421 $177,900
80209 Denver Denver County CO 26,794 $118,759 $971,500
80214 Lakewood Jefferson County CO 26,759 $74,259 $519,900
53403 Mount Pleasant Racine County WI 26,696 $58,274 $159,100
01830 Haverhill Essex County MA 26,685 $79,784 $436,400
46545 Mishawaka St. Joseph County IN 26,581 $55,889 $174,700
60452 Oak Forest Cook County IL 26,511 $89,167 $249,100
80023 Broomfield Broomfield County CO 26,466 $159,970 $820,900
81004 Pueblo Pueblo County CO 26,362 $48,620 $181,200
46528 Goshen Elkhart County IN 26,356 $77,620 $237,600

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.