| More than 20% of Americans were obese in 174 of the 188 U.S. metropolitan areas that Gallup and Healthways surveyed in 2010. In the most obese of these metro areas — Evansville, Ind.-Ky. — 37.8% of residents were obese, compared with 12.9% in the least obese, Boulder, Colo. |
| Read more at GALLUP.com. |