Parkersburg, Iowa
Demographics
Table:
Historical population

Census	Pop.	Note	%±

1880	652	—
1890	760	16.6%
1900	1,164	53.2%
1910	938	−19.4%
1920	1,108	18.1%
1930	1,046	−5.6%
1940	1,260	20.5%
1950	1,300	3.2%
1960	1,468	12.9%
1970	1,631	11.1%
1980	1,968	20.7%
1990	1,804	−8.3%
2000	1,889	4.7%
2010	1,870	−1.0%
2016 (est.)	1,952	[4]	4.4%
U.S. Decennial Census[14]

Taking into account the table information on 'Parkersburg, Iowa' (see 'Demographics'), create one factual sentence about the highlighted cells, without adding extra data and return it as JSON: {"answer": "YOUR ANSWER"}.