The first Philippine census during the American period was conducted on March 2, 1903 in accordance with Section 6 of the Philippine Bill of 1902. Below is the 1903 census report for Pila, Laguna:
Pila Total Population = 6,040
Poblacion (Santa Clara) = 1,623
Banca banca = 89
Bucal = 38
Concepcion = 100
Daniw = 84
Labuin = 378
Linga = 1,021
Masico = 264
Nanhaya = 662
Masapang = 72
Mojon = 131
Pansol = 246
San Antonio = 93
San Benito = 131
San Felix = 48
San Francisco = 188
San Miguel = 120
San Roque = 615
San Vicente = 43
Tubuan = 94
It is interesting to note that that the census included barrio San Vicente which is not part of current Victoria or Pila.
The seven barrios above namely: Banca-banca, Nanhaya, Masapang, San Benito, San Felix, San Francisco, San Roque and Daniw are now part of Victoria, Laguna.
Based on the 2000 Census, the total population of Pila was pegged at 37,278 while Victoria was listed with 29,765 individuals. The population of Old Pila grew 10 times since 1903.
Source: Population of the Philippines: by islands, provinces, municipalities, and barrios / taken in the year 1903. United States. Bureau of the Census. [Washington. D.C.]: Department of Commerce and Labor, Bureau of the Census: Gov’t Print. Office, 1904