 Dayton's largest suburb, Kettering for example, only saw a 2.3% decline during the ten-year period and Huber Heights, Dayton's third largest suburb, saw a 0.3% decline in population.The Dayton Metropolitan Statistical Area formerly included Clark County and Preble County.In 2005, Clark County containing Springfield, Ohio separated from the Dayton MSA to create their own MSA named Springfield Metropolitan Statistical Area.