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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
70810 Oak Hills Place East Baton Rouge Parish LA 42,585 $93,712 $353,100
95301 Atwater Merced County CA 42,374 $66,669 $367,800
39564 Ocean Springs Jackson County MS 42,295 $77,300 $220,000
93637 Madera Madera County CA 42,278 $74,621 $369,200
77304 Conroe Montgomery County TX 42,277 $78,574 $324,800
95407 Santa Rosa Sonoma County CA 42,135 $82,807 $603,300
32404 Panama City Bay County FL 42,117 $72,208 $239,700
78230 San Antonio Bexar County TX 42,070 $71,564 $355,400
89183 Enterprise Clark County NV 42,050 $83,053 $415,400
78216 San Antonio Bexar County TX 42,044 $55,488 $281,700
31313 Hinesville Liberty County GA 42,034 $59,443 $173,100
98036 Lynnwood Snohomish County WA 42,016 $89,566 $693,300
98122 Seattle King County WA 42,001 $106,479 $929,400
70433 Covington St. Tammany Parish LA 41,770 $79,354 $316,200
97230 Portland Multnomah County OR 41,682 $70,582 $435,800
78213 San Antonio Bexar County TX 41,603 $53,342 $199,500
78221 San Antonio Bexar County TX 41,580 $63,114 $157,500
70506 Lafayette Lafayette Parish LA 41,550 $55,553 $215,700
32571 Pace Santa Rosa County FL 41,188 $89,137 $281,600
89141 Enterprise Clark County NV 41,181 $109,715 $494,400
78154 Schertz Bexar County TX 40,898 $97,465 $296,400
98033 Kirkland King County WA 40,662 $174,005 $1,259,900
98087 North Lynnwood Snohomish County WA 40,607 $106,541 $633,200
77354 Pinehurst Montgomery County TX 40,501 $112,093 $379,700
29412 Charleston Charleston County SC 40,495 $99,443 $458,000
78132 Canyon Lake Comal County TX 40,383 $126,934 $570,900
32065 Oakleaf Plantation Clay County FL 40,366 $92,842 $278,500
77382 The Woodlands Montgomery County TX 40,170 $169,669 $545,400
98032 Kent King County WA 40,150 $77,413 $473,000
98198 Des Moines King County WA 39,815 $83,938 $527,100
31405 Savannah Chatham County GA 39,724 $62,123 $304,800
98004 Bellevue King County WA 39,435 $176,367 $2,000,001
89128 Las Vegas Clark County NV 39,397 $70,641 $378,600
70458 Slidell St. Tammany Parish LA 39,385 $69,816 $227,200
70508 Lafayette Lafayette Parish LA 39,364 $88,017 $299,200
77377 Tomball Harris County TX 39,154 $123,015 $352,000
85730 Tucson Pima County AZ 39,065 $60,849 $218,500
98026 Edmonds Snohomish County WA 38,985 $124,462 $758,900
36301 Dothan Houston County AL 38,627 $49,124 $156,100
97030 Gresham Multnomah County OR 38,471 $61,793 $418,100
36535 Foley Baldwin County AL 38,401 $67,013 $250,800
78218 San Antonio Bexar County TX 38,291 $56,833 $183,900
95340 Merced Merced County CA 38,045 $65,141 $383,200
97236 Portland Multnomah County OR 37,864 $68,582 $414,400
78244 San Antonio Bexar County TX 37,861 $67,789 $195,400
98366 Port Orchard Kitsap County WA 37,692 $88,807 $449,700
36608 Mobile Mobile County AL 37,599 $64,372 $234,400
77327 Cleveland Liberty County TX 37,574 $57,538 $144,100
97233 Portland Multnomah County OR 37,518 $54,886 $385,100
77320 Huntsville Walker County TX 37,458 $51,765 $174,400

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.