I was going to correct you and say Jeff Davis County was bigger, but it is only 2,265 square miles while Pecos County is a whopping 4,765 square miles! All of the counties in that area of Texas are huge anyway! It's ridiculous. There are 254 counties in Texas and we have visited 72.4% (184) of them. Most of them are out west. Just love it out there.
You can see where we have been in Texas and the rest of the US by visiting our website: http://crosscountytravelers.com/destinations/the-county-project/