Deerfield, Illinois
Demographics
Table:
Historical population

Census	Pop.	Note	%±

1910	476	—
1920	610	28.2%
1930	1,852	203.6%
1940	2,283	23.3%
1950	3,288	44.0%
1960	11,786	258.5%
1970	18,876	60.2%
1980	17,432	−7.6%
1990	17,327	−0.6%
2000	18,420	6.3%
2010	18,225	−1.1%
2016 (est.)	19,000	[2]	4.3%
U.S. Decennial Census[21]

Studying the tabular data covering the 'Demographics' part of 'Deerfield, Illinois', summarise the highlighted cells in a single sentence and return it as JSON: {"answer": "YOUR ANSWER"}.