Unity, New Hampshire
Demographics
Table:
Historical population

Census	Pop.	Note	%±

1790	538	—
1800	902	67.7%
1810	1,044	15.7%
1820	1,277	22.3%
1830	1,258	−1.5%
1840	1,218	−3.2%
1850	961	−21.1%
1860	887	−7.7%
1870	844	−4.8%
1880	814	−3.6%
1890	653	−19.8%
1900	572	−12.4%
1910	504	−11.9%
1920	522	3.6%
1930	501	−4.0%
1940	669	33.5%
1950	653	−2.4%
1960	708	8.4%
1970	709	0.1%
1980	1,092	54.0%
1990	1,341	22.8%
2000	1,530	14.1%
2010	1,671	9.2%
2017 (est.)	1,605	[6]	−3.9%
U.S. Decennial Census[7]

With reference to the data table for 'Unity, New Hampshire', section 'Demographics', create one factual sentence about the highlighted cells, without adding extra data and format it within the following JSON object {"answer": "YOUR ANSWER"}.