Handbook of Texas Online
- Historical and current information about Upton County.
- http://www.tsha.utexas.edu/handbook/online/articles/UU/hcu2.html

The Political Graveyard: Upton County, Tex.
- Information about politicians that lived or died in the county.
- http://www.politicalgraveyard.com/geo/TX/UT.html

Upton County
- Lists contact information for county and district court offices and includes a map and demographic information.
- http://www.co.upton.tx.us/

Amphibians and Reptiles in Upton County
- Texas Cooperative Wildlife Collection list of species found in the county.
- http://wfscnet.tamu.edu/tcwc/checklist/UPTON231.HTM

TXGenWeb Upton County
- Genealogy site, including queries, cemetery records, census records, and helpful hints.
- http://www.rootsweb.com/~txupton/

AirNav: Upton County Airport
- Aeronautical information about Upton County Airport (MC CAMEY, TX), including location, runways, navaids, radio frequencies, FBOs and fuel prices.
- http://www.airnav.com/airport/E48