9.7 million people
Marked by the presence of troops and bases, these 89 counties have a distinct demographic look and feel. Even though many located in rural locales, their military ties make them relatively young, only 14% of the population is 62 year of age or older. And they feature a larger African American population than average, 16%. They are also fairly well-educated, a quarter of the people in the Military Posts have a college degree. Their connections to national defense give them solid conservative leanings. Mitt Romney defeated President Barack Obama in the Military Posts in 2012 56% to 42%.