Cleveland, Missouri
Demographics
Table:
Historical population

Census	Pop.	Note	%±

1910	170	—
1920	169	−0.6%
1930	159	−5.9%
1940	146	−8.2%
1950	163	11.6%
1960	216	32.5%
1970	256	18.5%
1980	485	89.5%
1990	506	4.3%
2000	592	17.0%
2010	661	11.7%
2016 (est.)	670	[3]	1.4%
U.S. Decennial Census[9]

Looking at the following table concerning 'Cleveland, Missouri', section 'Demographics', produce a single-sentence summary focused on the highlighted cells and provide it inside the JSON object {"answer": "YOUR ANSWER"}.