Among the 20 counties in the Chattanooga region, three fourths have gained population since the 2010 census. The growth rates of area counties from 2010 to 2016 were:
TENNESSEE
Bledsoe: 14,676 – 14 percent
Hamilton: 357,738 – 6.3 percent
Bradley: 104,490 – 5.6 percent
Sequatchie: 14,897 – 5.6 percent
Van Buren: 5,689 – 2.5 percent
Meigs: 12,005 – 2.0 percent
Franklin: 41,700 – 1.6 percent
Rhea: 32,442 – 2.0 percent
McMinn: 52,850 – 1.1 percent
Marion: 28,446 – 0.7 percent
Polk: 16,772 – -0.3 percent
Grundy: 13,389 – -2.3 percent
Coffee: 54,682 – 3.6 percent
GEORGIA
Catoosa: 66,398 – 3.8 percent
Whitfield: 104,589 – 1.9 percent
Walker: 67,896 – -1.3 percent
Dade: 16,257 – -2.3 percent
Chattoooga: 24,824 – -4.6 percent
ALABAMA
Jackson: 52,138 – -2.0 percent
Dekalb: 70,900 – -0.3 percent
Source: U.S. Bureau of Census, population estimates for 2016 compared with 2010