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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
43558 Swanton Fulton County OH 12,961 $74,612 $185,900
99114 Colville Stevens County WA 12,939 $61,891 $268,300
83350 Rupert Minidoka County ID 12,905 $61,622 $218,400
43567 Wauseon Fulton County OH 12,879 $74,404 $172,600
60471 Richton Park Cook County IL 12,845 $72,241 $200,800
47805 North Terre Haute Vigo County IN 12,809 $69,716 $151,900
45885 St. Marys Auglaize County OH 12,744 $75,054 $153,900
68147 Bellevue Sarpy County NE 12,738 $91,706 $202,400
48079 St. Clair St. Clair County MI 12,683 $80,313 $276,600
13066 Fayetteville Onondaga County NY 12,680 $121,599 $265,900
48638 Saginaw Saginaw County MI 12,668 $63,444 $161,200
48840 Haslett Ingham County MI 12,653 $74,252 $261,800
43326 Kenton Hardin County OH 12,594 $54,325 $135,700
52627 Fort Madison Lee County IA 12,585 $54,864 $111,700
18431 Honesdale Wayne County PA 12,576 $55,323 $222,000
04105 Falmouth Cumberland County ME 12,557 $131,833 $669,500
87571 Taos Pueblo Taos County NM 12,544 $55,833 $416,800
16428 North East Erie County PA 12,508 $77,103 $188,100
44811 Bellevue Huron County OH 12,486 $64,453 $156,900
60633 Chicago Cook County IL 12,485 $56,875 $182,100
01003 Amherst Town Hampshire County MA 12,458 — —
47371 Portland Jay County IN 12,450 $59,215 $116,100
49333 Middleville Barry County MI 12,448 $95,577 $295,900
18428 Hemlock Farms Pike County PA 12,446 $75,463 $263,300
14527 Penn Yan Yates County NY 12,444 $65,212 $199,800
46550 Nappanee Elkhart County IN 12,442 $80,403 $232,300
53404 Racine Racine County WI 12,438 $47,714 $126,800
01879 — Middlesex County MA 12,435 $144,167 $533,300
13207 Syracuse Onondaga County NY 12,383 $59,495 $110,500
16137 Lake Latonka Mercer County PA 12,327 $69,975 $176,800
48360 — Oakland County MI 12,250 $135,701 $362,400
84050 Mountain Green Morgan County UT 12,247 $125,949 $609,500
48609 Shields Saginaw County MI 12,206 $78,800 $166,400
12701 Monticello Sullivan County NY 12,191 $56,601 $178,300
61548 Metamora Woodford County IL 12,165 $114,167 $239,500
03878 Somersworth Strafford County NH 12,145 $79,691 $295,200
46394 Hammond Lake County IN 12,141 $66,386 $162,900
03275 Suncook Merrimack County NH 12,115 $84,776 $309,400
64601 Chillicothe Livingston County MO 12,110 $58,804 $145,000
83333 Hailey Blaine County ID 12,096 $86,142 $688,400
44432 Lisbon Columbiana County OH 12,029 $63,173 $141,900
46761 Lagrange LaGrange County IN 11,985 $72,088 $205,200
64075 Oak Grove Jackson County MO 11,979 $80,825 $233,400
01562 Spencer Worcester County MA 11,961 $79,086 $368,300
48723 Caro Tuscola County MI 11,960 $56,618 $131,300
81403 Montrose Montrose County CO 11,955 $73,636 $481,900
64503 St. Joseph Buchanan County MO 11,921 $53,351 $133,500
80902 Fort Carson El Paso County CO 11,917 $65,255 —
45309 Brookville Montgomery County OH 11,905 $72,570 $197,100
52632 Keokuk Lee County IA 11,904 $52,547 $108,400

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.