Keene, New Hampshire
Demographics
Table:
Historical population

Census	Pop.	Note	%±

1790	1,314	—
1800	1,645	25.2%
1810	1,646	0.1%
1820	1,895	15.1%
1830	2,374	25.3%
1840	2,610	9.9%
1850	3,392	30.0%
1860	4,320	27.4%
1870	5,971	38.2%
1880	6,784	13.6%
1890	7,446	9.8%
1900	9,165	23.1%
1910	10,068	9.9%
1920	11,210	11.3%
1930	13,794	23.1%
1940	13,832	0.3%
1950	15,638	13.1%
1960	17,562	12.3%
1970	20,467	16.5%
1980	21,449	4.8%
1990	22,430	4.6%
2000	22,955	2.3%
2010	23,409	2.0%
2017 (est.)	22,949	[3]	−2.0%
U.S. Decennial Census[14]

Given the table that covers 'Keene, New Hampshire' (see 'Demographics'), create one factual sentence about the highlighted cells, without adding extra data and format it within the following JSON object {"answer": "YOUR ANSWER"}.