St. Willibrordus's 2026 population is now estimated at 271. In 2011, the population of St. Willibrordus was 588. St. Willibrordus experienced a decrease of -14 residents over the past year, marking an annual decline of -4.91%. These population values and projections come from CBS Curaçao Census 2011 neighbourhood population table G-4, CBS Curaçao Census 2023 neighbourhood population table G-4 and World Population Review Internal Projections .