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Plant hardiness zone 9A

ZIP codes in USDA plant hardiness zone 9A. Population, income, and housing from US5 published metrics.

Zone
9A
ZIP codes
2,042
Population
22,746,497
Median household income (avg.)
$70,574
Average home value
$303,665
All hardiness zones Opportunity zones ZIP lists ZIP rankings

What is USDA zone 9A?

Zone 9A 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 2,042 indexable ZIP codes in this band, covering about 22,746,497 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 9A, 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 9A

ZIP City County State Population Income Home value
98119 Seattle King County WA 26,390 $125,021 $1,032,500
77303 Conroe Montgomery County TX 26,324 $72,827 $232,200
29455 Charleston Charleston County SC 26,308 $117,422 $499,500
78238 San Antonio Bexar County TX 26,250 $56,227 $191,300
34471 Ocala Marion County FL 26,031 $60,283 $292,200
98178 Bryn Mawr-Skyway King County WA 25,929 $93,786 $628,200
97035 Lake Oswego Clackamas County OR 25,875 $126,866 $790,900
70448 Mandeville St. Tammany Parish LA 25,851 $88,929 $324,100
92284 Yucca Valley San Bernardino County CA 25,782 $52,886 $314,500
32605 Gainesville Alachua County FL 25,698 $83,114 $264,700
34481 On Top of the World Marion County FL 25,668 $54,639 $213,000
70809 Baton Rouge East Baton Rouge Parish LA 25,649 $81,310 $305,900
36605 Mobile Mobile County AL 25,628 $45,064 $97,800
29418 North Charleston Charleston County SC 25,589 $62,421 $234,500
71457 Natchitoches Natchitoches Parish LA 25,485 $47,410 $194,200
77802 Bryan Brazos County TX 25,303 $68,132 $237,600
31312 Guyton Effingham County GA 25,286 $98,367 $264,700
98040 Mercer Island King County WA 25,282 $202,359 $1,884,200
77662 Vidor Orange County TX 25,193 $71,755 $124,800
70634 DeRidder Beauregard Parish LA 25,038 $64,359 $165,500
96007 Happy Valley Shasta County CA 25,009 $65,000 $284,800
78222 San Antonio Bexar County TX 25,008 $64,251 $188,100
32097 Yulee Nassau County FL 24,880 $89,270 $293,300
32536 Crestview Okaloosa County FL 24,859 $82,643 $280,300
98055 Renton King County WA 24,851 $100,207 $561,600
85614 Green Valley Pima County AZ 24,696 $62,599 $272,900
98110 Bainbridge Island Kitsap County WA 24,607 $159,882 $1,076,200
71303 Alexandria Rapides Parish LA 24,532 $66,761 $232,900
85750 Catalina Foothills Pima County AZ 24,435 $100,146 $518,000
98108 Seattle King County WA 24,430 $90,806 $693,500
78757 Austin Travis County TX 24,327 $104,946 $629,500
31605 Bemiss Lowndes County GA 24,280 $73,991 $211,900
97015 Happy Valley Clackamas County OR 24,166 $82,865 $491,300
77384 Conroe Montgomery County TX 24,148 $103,745 $420,400
70805 Baton Rouge East Baton Rouge Parish LA 24,145 $26,301 $103,100
36609 Mobile Mobile County AL 24,091 $49,724 $201,800
93610 Chowchilla Madera County CA 24,088 $66,567 $342,000
31548 Kingsland Camden County GA 24,034 $77,913 $225,500
78114 Floresville Wilson County TX 23,975 $84,260 $273,900
70802 Baton Rouge East Baton Rouge Parish LA 23,964 $34,082 $105,100
98112 Seattle King County WA 23,961 $162,073 $1,407,400
29909 Ridgeland Beaufort County SC 23,929 $91,376 $416,700
70510 Abbeville Vermilion Parish LA 23,909 $50,881 $150,400
31326 Rincon Effingham County GA 23,882 $82,196 $244,300
36582 Mobile Mobile County AL 23,805 $61,498 $170,400
70471 Mandeville St. Tammany Parish LA 23,745 $96,510 $370,100
98028 Kenmore King County WA 23,594 $137,926 $869,800
89134 Las Vegas Clark County NV 23,503 $79,986 $450,000
93263 Shafter Kern County CA 23,423 $66,774 $301,900
93212 Corcoran Kings County CA 23,407 $54,149 $220,500

Frequently asked questions

What does zone 9A mean?

Zone 9A 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 9A; 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.