The population of Amboy at the various periods noted was as follows: In 1830, 699; 1835, 766; 1840, 1,084; 1845, 988; 1850, 1,132; 1855, 1,172; 1860, 1,402; 1865, 1,423; 1870, 1,431; 1875, 1,277; 1880, 1,244; 1890, 969.
Dagitoy rikna ti ayat, rugi ti ayat, ipapatay ti ayat, sainnek ti ayat, ayat ti ayat, lingedanda dagiti pudno a kari para iti daniw ti Iloko.