San Jose, officially the Municipality of San Jose, is a municipality in the province of Tarlac, Philippines. According to the 2020 census, it has …San Jose, officially the Municipality of San Jose, is a municipality in the province of Tarlac, Philippines. According to the 2020 census, it has a population of 41,182 people. San Jose was created into a municipality pursuant to Republic Act No. 6842, ratified on April 21, 1990; taken from the municipality of Tarlac.