Morgan County, Tennessee
Demographics
Table:
Historical population

Census	Pop.	Note	%±

1820	1,676	—
1830	2,582	54.1%
1840	2,660	3.0%
1850	3,430	28.9%
1860	3,353	−2.2%
1870	2,969	−11.5%
1880	5,156	73.7%
1890	7,639	48.2%
1900	9,587	25.5%
1910	11,458	19.5%
1920	13,285	15.9%
1930	13,603	2.4%
1940	15,242	12.0%
1950	15,727	3.2%
1960	14,304	−9.0%
1970	13,619	−4.8%
1980	16,604	21.9%
1990	17,300	4.2%
2000	19,757	14.2%
2010	21,987	11.3%
2016 (est.)	21,554	[7]	−2.0%
U.S. Decennial Census[8]
1790-1960[9] 1900-1990[10]
1990-2000[11] 2010-2014[2]

Per the details in the table information on the 'Demographics' part of 'Morgan County, Tennessee', summarise the highlighted cells in a single sentence and format it within the following JSON object {"answer": "YOUR ANSWER"}.