Bettsville, Ohio
Demographics
Table:
Historical population

Census	Pop.	Note	%±

1880	515	—
1890	513	−0.4%
1900	492	−4.1%
1910	486	−1.2%
1920	451	−7.2%
1930	656	45.5%
1940	692	5.5%
1950	687	−0.7%
1960	776	13.0%
1970	833	7.3%
1980	752	−9.7%
1990	752	0.0%
2000	784	4.3%
2010	661	−15.7%
2016 (est.)	632	[8]	−4.4%
U.S. Decennial Census[9]

Given the table information on 'Bettsville, Ohio' — "Demographics" section, formulate a single-sentence overview of the highlighted cells and provide it inside the JSON object {"answer": "YOUR ANSWER"}.