Pennsylvania is the 25th most obese state in the country. The 'State of Obesity' was released last week and has the Keystone state right in the middle of the list, with an adult obesity rate of 30-point-three-percent. West Virginia is the most obese state with a rate of 37-point-seven-percent. Colorado has the lowest obesity rate at 22-point-three-percent. See the full list at StateOfObesity.org.