Sucre Municipality is one of the 21 municipalities (municipios) that makes up the Venezuelan state of Miranda and one of five the municipalities that make up the Metropolitan District of Caracas. According to a 2016 population estimate by the National Institute of Statistics of Venezuela, the municipality has a population of 691,317. The parish of Petare is the municipal seat of the Sucre Municipality.

Miranda State is one of the 23 states of Venezuela and the second most populous after Zulia State. As of the 2011 census, it had a population of 2,675,165 residents. It also has the greatest Human Development Index in Venezuela, according to the Venezuelan National Institute of Statistics. The most recent population estimate was 3,194,390 in mid-2016.