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Plant hardiness zone 9B

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

Zone
9B
ZIP codes
1,918
Population
34,156,501
Median household income (avg.)
$82,262
Average home value
$449,970
All hardiness zones Opportunity zones ZIP lists ZIP rankings

What is USDA zone 9B?

Zone 9B 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 1,918 indexable ZIP codes in this band, covering about 34,156,501 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 9B, 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 9B

ZIP City County State Population Income Home value
34654 Moon Lake Pasco County FL 24,357 $64,210 $257,500
33542 Zephyrhills Pasco County FL 24,306 $49,011 $129,900
77061 Houston Harris County TX 24,238 $44,520 $215,200
94597 Walnut Creek Contra Costa County CA 24,235 $142,685 $986,700
32233 Jacksonville Duval County FL 24,111 $81,586 $396,100
77586 Seabrook Harris County TX 24,019 $115,301 $325,700
77006 Houston Harris County TX 23,927 $102,003 $599,500
33541 Pasadena Hills Pasco County FL 23,913 $55,556 $111,300
77503 Pasadena Harris County TX 23,899 $64,977 $165,300
85268 Fountain Hills Maricopa County AZ 23,895 $105,288 $576,700
32726 Eustis Lake County FL 23,885 $60,750 $230,400
77414 Bay City Matagorda County TX 23,879 $57,545 $166,100
93405 San Luis Obispo San Luis Obispo County CA 23,856 $52,481 $897,800
89120 Paradise Clark County NV 23,797 $75,813 $364,800
78380 Robstown Nueces County TX 23,752 $59,322 $141,900
34480 Ocala Marion County FL 23,749 $75,334 $248,400
33566 Plant City Hillsborough County FL 23,727 $71,161 $290,600
77505 Pasadena Harris County TX 23,686 $94,643 $276,100
94024 Los Altos Santa Clara County CA 23,673 $250,001 $2,000,001
77019 Houston Harris County TX 23,662 $108,353 $724,900
34601 South Brooksville Hernando County FL 23,648 $56,365 $151,500
94596 Walnut Creek Contra Costa County CA 23,592 $137,660 $1,245,000
77056 Houston Harris County TX 23,314 $101,932 $807,300
70005 Metairie Jefferson Parish LA 23,257 $86,048 $381,000
70128 New Orleans Orleans Parish LA 22,973 $53,538 $220,200
95501 Eureka Humboldt County CA 22,972 $55,076 $389,900
95818 Sacramento Sacramento County CA 22,798 $120,509 $768,700
85653 Marana Pima County AZ 22,796 $84,188 $298,200
92582 San Jacinto Riverside County CA 22,732 $97,723 $439,000
77478 Sugar Land Fort Bend County TX 22,699 $116,205 $378,700
32713 DeBary Volusia County FL 22,639 $87,354 $306,800
95746 Granite Bay Placer County CA 22,549 $182,321 $1,057,600
95531 Bertsch-Oceanview Del Norte County CA 22,491 $66,817 $323,600
70043 Chalmette St. Bernard Parish LA 22,461 $57,065 $203,800
95620 Dixon Solano County CA 22,367 $100,224 $594,900
32128 Port Orange Volusia County FL 22,366 $84,164 $378,500
70114 New Orleans Orleans Parish LA 22,132 $41,435 $194,100
77627 Nederland Jefferson County TX 21,951 $75,778 $201,200
34788 Leesburg Lake County FL 21,867 $57,477 $168,900
94503 American Canyon Napa County CA 21,852 $123,657 $663,900
95521 Arcata Humboldt County CA 21,684 $54,324 $478,600
33852 Lake Placid Highlands County FL 21,630 $54,841 $205,800
93444 Nipomo San Luis Obispo County CA 21,495 $105,655 $746,400
32080 St. Augustine St. Johns County FL 21,368 $91,201 $497,500
95841 North Highlands Sacramento County CA 21,232 $62,305 $414,200
85083 Phoenix Maricopa County AZ 21,225 $157,437 $572,600
89169 Paradise Clark County NV 21,203 $39,740 $299,900
93927 Greenfield Monterey County CA 21,131 $77,272 $463,600
77568 La Marque Galveston County TX 21,118 $72,912 $209,300
92225 Blythe Riverside County CA 21,101 $51,294 $197,000

Frequently asked questions

What does zone 9B mean?

Zone 9B 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 9B; 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.