| | | Zavala County | TX | 48507 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ZavalaCounty+TX |
| | | Zapata County | TX | 48505 | | Zapata, TX 49820 | | Central | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=ZapataCounty+TX |
| | | Young County | TX | 48503 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=YoungCounty+TX |
| | | Yoakum County | TX | 48501 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=YoakumCounty+TX |
| | | Wood County | TX | 48499 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WoodCounty+TX |
| | | Wise County | TX | 48497 | Fort
Worth-Arlington-Grapevine,
TX 23104 | Dallas-Fort
Worth-Arlington, TX 19100 | Dallas-Fort Worth, TX-OK 206 | Outlying | metro county (urban) | mining-dependent | https://maps.google.com/?q=WiseCounty+TX |
| | | Winkler County | TX | 48495 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=WinklerCounty+TX |
| | | Wilson County | TX | 48493 | | San Antonio-New
Braunfels, TX 41700 | San Antonio-New
Braunfels-Kerrville, TX 484 | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=WilsonCounty+TX |
| | | Williamson County | TX | 48491 | | Austin-Round Rock-San
Marcos, TX 12420 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=WilliamsonCounty+TX |
| | | Willacy County | TX | 48489 | | Raymondville, TX 39700 | Brownsville-Harlingen-Raymondville,
TX 154 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=WillacyCounty+TX |
