Olsburg, Kansas
Demographics
Table:
Historical population

Census	Pop.	Note	%±

1890	185	—
1930	175	—
1940	177	1.1%
1950	140	−20.9%
1960	137	−2.1%
1970	151	10.2%
1980	166	9.9%
1990	192	15.7%
2000	192	0.0%
2010	219	14.1%
2016 (est.)	227	[3]	3.7%
U.S. Decennial Census

Considering the data table for 'Olsburg, Kansas' titled 'Demographics', formulate a single-sentence overview of the highlighted cells and return it as JSON: {"answer": "YOUR ANSWER"}.