The arms of Neuilly-Plaisance are blazoned : Azure, an eagle displayed argent maintaining in dextre talon a laurel branch palewise or, and on an inescutcheon overall argent, a fess wavy azure and in chief a Latin cross gules between 2 crescents inverted vert.
(the base arms are those of LE RAGOIS de BRETONVILLIERS, the superimposed ones of FOULQUES de Neuilly.
Population
Historical population
Year
Pop.
±% p.a.
1896
4,663
—
1901
5,609
+3.76%
1906
6,441
+2.80%
1911
7,014
+1.72%
1921
9,094
+2.63%
1926
10,773
+3.45%
1931
12,148
+2.43%
1936
12,073
−0.12%
1946
11,842
−0.19%
1954
13,211
+1.38%
Year
Pop.
±% p.a.
1962
15,526
+2.04%
1968
17,613
+2.12%
1975
18,185
+0.46%
1982
16,960
−0.99%
1990
18,195
+0.88%
1999
18,236
+0.03%
2007
20,156
+1.26%
2012
20,755
+0.59%
2017
21,150
+0.38%
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