Port Carbon, Pennsylvania
Demographics
Table:
Historical population

Census	Pop.	Note	%±

1830	900	—
1840	912	1.3%
1850	2,142	134.9%
1860	1,904	−11.1%
1870	2,251	18.2%
1880	2,346	4.2%
1890	1,976	−15.8%
1900	2,168	9.7%
1910	2,678	23.5%
1920	2,882	7.6%
1930	3,225	11.9%
1940	3,279	1.7%
1950	3,024	−7.8%
1960	2,775	−8.2%
1970	2,717	−2.1%
1980	2,576	−5.2%
1990	2,134	−17.2%
2000	2,019	−5.4%
2010	1,889	−6.4%
2016 (est.)	1,807	[2]	−4.3%
Sources:[4][5][6]

Examining the table information on 'Port Carbon, Pennsylvania' (see 'Demographics'), summarise the highlighted cells in a single sentence and format it within the following JSON object {"answer": "YOUR ANSWER"}.