Franklin, Illinois
Demographics
Table:
Historical population

Census	Pop.	Note	%±

1880	316	—
1890	578	82.9%
1900	687	18.9%
1910	696	1.3%
1920	611	−12.2%
1930	528	−13.6%
1940	515	−2.5%
1950	438	−15.0%
1960	500	14.2%
1970	565	13.0%
1980	645	14.2%
1990	634	−1.7%
2000	586	−7.6%
2010	610	4.1%
2016 (est.)	590	[2]	−3.3%
U.S. Decennial Census[5]

Having looked at the tabular data covering 'Franklin, Illinois' in the 'Demographics' section, compose one sentence describing only the highlighted cells and provide it inside the JSON object {"answer": "YOUR ANSWER"}.