Waterloo's 2026 population is now estimated at 2,249. In 2011, the population of Waterloo was 2,521. Waterloo experienced a decrease of -17 residents over the past year, marking an annual decline of -0.75%. 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 .