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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
93245 Lemoore Kings County CA 37,443 $78,181 $324,100
89113 Spring Valley Clark County NV 37,313 $88,750 $463,900
70570 Opelousas St. Landry Parish LA 37,188 $45,276 $151,300
36532 Fairhope Baldwin County AL 37,121 $86,026 $395,300
89084 North Las Vegas Clark County NV 37,097 $93,673 $434,800
78237 San Antonio Bexar County TX 36,930 $40,233 $103,000
98056 Renton King County WA 36,872 $108,596 $726,300
95401 Santa Rosa Sonoma County CA 36,842 $93,513 $628,900
77301 Conroe Montgomery County TX 36,835 $64,885 $193,500
85756 Tucson Pima County AZ 36,716 $67,617 $210,800
39532 Biloxi Harrison County MS 36,710 $65,892 $227,400
97222 Milwaukie Clackamas County OR 36,643 $77,441 $465,100
29407 Charleston Charleston County SC 36,640 $80,568 $407,300
70808 Baton Rouge East Baton Rouge Parish LA 36,513 $69,078 $392,600
78723 Austin Travis County TX 36,307 $87,978 $513,500
78232 San Antonio Bexar County TX 36,277 $84,633 $345,300
78717 Austin Williamson County TX 36,085 $140,483 $599,200
97224 Tigard Washington County OR 36,015 $94,456 $579,400
97266 Portland Multnomah County OR 35,992 $71,791 $420,800
78242 San Antonio Bexar County TX 35,976 $48,979 $128,500
98155 Shoreline King County WA 35,906 $131,911 $758,000
77351 West Livingston Polk County TX 35,828 $62,710 $163,500
78602 Camp Swift Bastrop County TX 35,786 $86,976 $310,300
32570 Munson Santa Rosa County FL 35,751 $73,615 $240,800
31324 Richmond Hill Bryan County GA 35,668 $110,767 $364,200
71360 Pineville Rapides Parish LA 35,649 $59,592 $196,300
32547 Wright Okaloosa County FL 35,522 $67,822 $299,400
77340 Huntsville Walker County TX 35,439 $46,878 $229,000
78653 Manor Travis County TX 35,417 $92,799 $328,400
31602 Valdosta Lowndes County GA 35,347 $55,980 $197,100
32506 Myrtle Grove Escambia County FL 35,202 $59,978 $200,500
78229 San Antonio Bexar County TX 35,195 $46,718 $206,400
77381 The Woodlands Montgomery County TX 35,184 $142,210 $445,400
89130 Las Vegas Clark County NV 35,152 $82,599 $391,300
98117 Seattle King County WA 35,147 $182,500 $1,028,100
95341 Merced Merced County CA 34,956 $55,516 $295,300
78749 Austin Travis County TX 34,939 $113,918 $530,900
98168 Tukwila King County WA 34,814 $84,937 $500,600
77357 Roman Forest Montgomery County TX 34,770 $73,773 $218,800
97217 Portland Multnomah County OR 34,756 $100,387 $569,500
78210 San Antonio Bexar County TX 34,740 $51,990 $172,700
31406 Savannah Chatham County GA 34,649 $66,084 $260,800
85704 Casas Adobes Pima County AZ 34,608 $76,915 $389,000
36526 Daphne Baldwin County AL 34,552 $90,733 $311,000
96002 Redding Shasta County CA 34,023 $74,230 $347,500
92311 Barstow San Bernardino County CA 33,982 $59,338 $217,500
32309 Tallahassee Leon County FL 33,962 $110,162 $351,800
78217 San Antonio Bexar County TX 33,959 $56,852 $216,100
32578 Niceville Okaloosa County FL 33,948 $105,858 $414,900
97211 Portland Multnomah County OR 33,713 $109,604 $616,800

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.