census
The word 'padrón' in Spanish does not have a direct English translation, but it generally refers to an official list or register. In a municipal context, it's often used to refer to the municipal register where residents of a town are recorded. Therefore, 'padrón' could be loosely translated to 'register' or 'census' in English. Moreover, in Spain, 'Padron' is a popular type of green peppers, which is a specific use case for the word.
I am going to check the municipal register to know the demographic data.
This sentence refers to a person who is going to consult a city's register or 'padrón' in order to understand the population's demographics.
The electoral roll is the list of people who can vote in the elections.
In this context, 'padrón' refers to an 'electoral roll' or register of individuals who are qualified to vote in elections. The sentence suggests that the speaker is defining what an electoral roll ('padrón electoral') is.
Look for your name on the register to confirm that you can vote.
In this sentence 'padrón' is understood as a kind of list or register that people have to check in order to ensure they are eligible to vote. The speaker instructs to search for one's name on the 'padrón' as a means of confirming voting eligibility.