Breathitt County, Kentucky (Formed 1839) Land Area Year Population (sq.mi) Density 2010 13,878 492.4 28.2 2000 16,100 495.2 32.5 1990 15,703 495.2 31.7 1980 17,004 495.2 34.3 1970 14,221 495.2 28.7 1960 15,490 495.2 31.3 1950 19,964 495.2 40.3 1940 23,946 495.2 48.4 1930 21,143 495.2 42.7 1920 20,614 495.2 41.6 1910 17,540 483.0 36.3 1900 14,322 480.0 29.8 1890 8,705 480.0 18.1 1880 7,742 465.4 16.6 1870 5,672 473.5 12.0 1860 4,980 471.8 10.6 1850 3,785 467.3 8.1 1840 2,195 535.8 4.1