Boone County, West Virginia
Demographics
Table:
Historical population

Census	Pop.	Note	%±

1850	3,237	—
1860	4,840	49.5%
1870	4,553	−5.9%
1880	5,824	27.9%
1890	6,885	18.2%
1900	8,194	19.0%
1910	10,331	26.1%
1920	15,319	48.3%
1930	24,586	60.5%
1940	28,556	16.1%
1950	33,173	16.2%
1960	28,764	−13.3%
1970	25,118	−12.7%
1980	30,447	21.2%
1990	25,870	−15.0%
2000	25,535	−1.3%
2010	24,629	−3.5%
2017 (est.)	22,349	[5]	−9.3%
U.S. Decennial Census[6]
1790–1960[7] 1900–1990[8]
1990–2000[9] 2010–2015[1]

With reference to the following table concerning the 'Demographics' part of 'Boone County, West Virginia', draft a brief sentence that explains what the highlighted cells show and format it within the following JSON object {"answer": "YOUR ANSWER"}.