Historical population Year Pop. ±% 1869 1,028 — 1880 1,102 +7.2% 1890 1,079 −2.1% 1900 1,159 +7.4% 1910 1,384 +19.4% 1923 1,577 +13.9% 1934 1,624 +3.0% 1939 1,648 +1.5% 1951 2,068 +25.5% 1961 2,282 +10.3% 1971 2,582 +13.1% 1981 2,973 +15.1% 1991 3,611 +21.5% 2001 3,895 +7.9% 2011 4,169 +7.0% 2015 4,250 +1.9%