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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
77494 Katy Fort Bend County TX 137,213 $146,105 $450,100
78660 Pflugerville Travis County TX 118,437 $109,522 $369,300
77433 Houston Harris County TX 112,211 $137,348 $384,400
78130 New Braunfels Guadalupe County TX 95,787 $84,426 $296,300
78641 Leander Travis County TX 93,399 $131,421 $453,100
78245 San Antonio Bexar County TX 91,388 $87,890 $241,500
78613 Cedar Park Williamson County TX 89,162 $120,829 $461,900
78666 San Marcos Hays County TX 87,775 $55,478 $271,900
93550 Palmdale Los Angeles County CA 79,929 $63,811 $378,700
78254 San Antonio Bexar County TX 78,865 $115,823 $298,800
77845 College Station Brazos County TX 74,612 $90,434 $349,900
78640 Kyle Hays County TX 71,460 $88,533 $291,100
93230 Hanford Kings County CA 69,130 $73,558 $321,900
78253 San Antonio Bexar County TX 67,578 $104,260 $334,900
89115 North Las Vegas Clark County NV 66,773 $49,648 $258,900
78665 Round Rock Williamson County TX 64,087 $117,240 $438,700
89148 Spring Valley Clark County NV 64,013 $94,926 $443,600
78664 Round Rock Williamson County TX 62,272 $85,919 $317,400
77493 Katy Harris County TX 62,264 $113,388 $321,900
70726 Denham Springs Livingston Parish LA 61,965 $77,129 $215,100
78249 San Antonio Bexar County TX 61,772 $80,851 $284,200
78251 San Antonio Bexar County TX 61,683 $78,025 $243,900
78745 Austin Travis County TX 61,122 $84,529 $459,100
89052 Henderson Clark County NV 59,542 $98,462 $595,500
78681 Round Rock Williamson County TX 58,531 $136,215 $460,000
78753 Austin Travis County TX 58,449 $62,334 $344,100
85122 Casa Grande Pinal County AZ 58,328 $64,243 $242,500
32068 Middleburg Clay County FL 58,196 $82,410 $264,300
78250 San Antonio Bexar County TX 57,849 $80,289 $221,900
97045 Oregon City Clackamas County OR 57,432 $100,388 $563,600
31419 Savannah Chatham County GA 57,354 $70,734 $239,600
78223 San Antonio Bexar County TX 57,298 $50,352 $156,700
78240 San Antonio Bexar County TX 57,014 $62,203 $245,100
78852 Eagle Pass Maverick County TX 56,933 $52,295 $150,200
95648 Lincoln Placer County CA 56,597 $108,200 $635,200
78109 Converse Bexar County TX 56,372 $87,635 $241,100
89147 Spring Valley Clark County NV 56,108 $73,025 $376,900
89117 Las Vegas Clark County NV 55,832 $71,497 $481,900
78228 San Antonio Bexar County TX 55,474 $50,865 $164,700
77840 College Station Brazos County TX 55,186 $31,278 $241,000
93551 Palmdale Los Angeles County CA 54,956 $110,850 $548,800
78748 Austin Travis County TX 54,942 $107,652 $434,100
89129 Las Vegas Clark County NV 54,575 $87,544 $420,400
98115 Seattle King County WA 54,248 $148,190 $1,041,500
39503 Gulfport Harrison County MS 54,230 $61,298 $193,000
78207 San Antonio Bexar County TX 54,128 $30,655 $93,200
32608 Gainesville Alachua County FL 53,966 $60,182 $340,200
78155 Seguin Guadalupe County TX 53,449 $71,367 $246,000
85365 Yuma Yuma County AZ 53,149 $68,358 $189,900
36695 Mobile Mobile County AL 52,923 $75,236 $234,200

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.