Issaquena County, Mississippi
Demographics
Table:
Historical population

Census	Pop.	Note	%±

1850	4,478	—
1860	7,831	74.9%
1870	6,887	−12.1%
1880	10,004	45.3%
1890	12,318	23.1%
1900	10,400	−15.6%
1910	10,560	1.5%
1920	7,618	−27.9%
1930	5,734	−24.7%
1940	6,433	12.2%
1950	4,966	−22.8%
1960	3,576	−28.0%
1970	2,737	−23.5%
1980	2,513	−8.2%
1990	1,909	−24.0%
2000	2,274	19.1%
2010	1,406	−38.2%
2016 (est.)	1,294	[17]	−8.0%
U.S. Decennial Census[18]
1790-1960[19] 1900-1990[20]
1990-2000[21] 2010-2013[1]

Reviewing the following table concerning 'Issaquena County, Mississippi' in the 'Demographics' section, draft a brief sentence that explains what the highlighted cells show and provide it inside the JSON object {"answer": "YOUR ANSWER"}.