| | Rio Grande County | CO | 08105 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=RioGrandeCounty+CO |
| | Rio Blanco County | CO | 08103 | | | | | nonmetro county (rural) | mining-dependent | https://maps.google.com/?q=RioBlancoCounty+CO |
| | Pueblo County | CO | 08101 | | Pueblo, CO 39380 | Pueblo-Cañon City, CO 444 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=PuebloCounty+CO |
| | Prowers County | CO | 08099 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ProwersCounty+CO |
| | Pitkin County | CO | 08097 | | Rifle, CO 40090 | Edwards-Rifle, CO 233 | Outlying | nonmetro county (rural) | recreation | https://maps.google.com/?q=PitkinCounty+CO |
| | Phillips County | CO | 08095 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=PhillipsCounty+CO |
| | Park County | CO | 08093 | | Denver-Aurora-Centennial,
CO 19740 | Denver-Aurora-Greeley, CO 216 | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=ParkCounty+CO |
| | Ouray County | CO | 08091 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=OurayCounty+CO |
| | Otero County | CO | 08089 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=OteroCounty+CO |
| | Morgan County | CO | 08087 | | Fort Morgan, CO 22820 | | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=MorganCounty+CO |