Crofton, Kentucky
Demographics
Table:
Historical population

Census	Pop.	Note	%±

1880	136	—
1890	428	214.7%
1900	278	−35.0%
1910	402	44.6%
1920	527	31.1%
1930	461	−12.5%
1940	688	49.2%
1950	500	−27.3%
1960	892	78.4%
1970	631	−29.3%
1980	823	30.4%
1990	699	−15.1%
2000	838	19.9%
2010	749	−10.6%
2016 (est.)	731	[1]	−2.4%
U.S. Decennial Census[6]

Observing the table that covers 'Crofton, Kentucky', section 'Demographics', draft a brief sentence that explains what the highlighted cells show and format it within the following JSON object {"answer": "YOUR ANSWER"}.