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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
94949 Novato Marin County CA 18,357 $116,101 $1,075,600
32408 Upper Grand Lagoon Bay County FL 18,326 $72,322 $352,400
91901 Alpine San Diego County CA 18,300 $116,600 $804,000
34613 North Weeki Wachee Hernando County FL 18,280 $56,175 $181,800
93728 Fresno Fresno County CA 18,077 $52,809 $239,700
93247 Lindsay Tulare County CA 17,967 $55,460 $271,700
94305 Stanford Santa Clara County CA 17,912 $72,470 $2,000,001
34785 Wildwood Sumter County FL 17,895 $48,004 $210,500
78584 Roma Starr County TX 17,823 $30,134 $83,800
77037 Houston Harris County TX 17,806 $46,176 $160,500
33637 Temple Terrace Hillsborough County FL 17,785 $60,526 $213,800
70062 Kenner Jefferson Parish LA 17,765 $55,293 $197,500
33565 Plant City Hillsborough County FL 17,716 $67,403 $237,600
77013 Houston Harris County TX 17,680 $44,530 $162,600
77707 Beaumont Jefferson County TX 17,538 $73,782 $162,600
77640 Port Arthur Jefferson County TX 17,480 $50,832 $97,200
91708 Chino San Bernardino County CA 17,308 $104,242 $642,500
94945 Novato Marin County CA 17,280 $109,750 $1,094,300
94301 Palo Alto Santa Clara County CA 17,126 $235,529 $2,000,001
77401 Bellaire Harris County TX 17,125 $236,037 $977,600
94595 Walnut Creek Contra Costa County CA 17,051 $98,108 $816,600
77619 Groves Jefferson County TX 17,021 $70,485 $153,800
93268 Taft Kern County CA 16,956 $55,473 $225,000
77085 Houston Harris County TX 16,947 $66,651 $174,000
95673 Rio Linda Sacramento County CA 16,935 $96,694 $438,200
77591 Texas City Galveston County TX 16,840 $66,010 $204,900
32206 Jacksonville Duval County FL 16,809 $37,585 $153,500
70037 Belle Chasse Plaquemines Parish LA 16,792 $92,193 $350,000
77012 Houston Harris County TX 16,780 $48,287 $127,400
93631 Kingsburg Tulare County CA 16,656 $81,226 $379,600
95203 Stockton San Joaquin County CA 16,628 $64,710 $349,800
77575 Liberty Liberty County TX 16,617 $52,238 $161,300
85215 Mesa Maricopa County AZ 16,600 $90,310 $398,400
77541 Freeport Brazoria County TX 16,574 $59,513 $162,800
34610 Shady Hills Pasco County FL 16,544 $73,878 $254,100
95963 Orland Glenn County CA 16,483 $68,654 $353,000
85305 Glendale Maricopa County AZ 16,471 $99,565 $410,100
33527 Dover Hillsborough County FL 16,412 $77,658 $347,300
70053 Gretna Jefferson Parish LA 16,409 $43,786 $225,700
77905 Victoria Victoria County TX 16,346 $81,925 $208,100
77098 Houston Harris County TX 16,318 $115,867 $777,700
95742 Rancho Cordova Sacramento County CA 16,287 $154,602 $616,100
77531 Clute Brazoria County TX 16,260 $71,583 $236,800
85658 Marana Pinal County AZ 16,255 $110,327 $441,600
77979 Port Lavaca Calhoun County TX 16,179 $68,877 $137,700
77587 South Houston Harris County TX 16,058 $52,407 $177,000
70006 Metairie Jefferson Parish LA 16,013 $74,049 $333,000
77029 Houston Harris County TX 15,931 $49,601 $115,400
94556 Moraga Contra Costa County CA 15,922 $199,300 $1,594,100
94960 Sleepy Hollow Marin County CA 15,891 $172,332 $1,589,200

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.