Kudirkos Naumiestis's 2026 population is now estimated at 1,275.In 1989, the population of Kudirkos Naumiestis was 2,061.Kudirkos Naumiestis experienced a decrease of -21 residents over the past year, marking an annual decline of -1.62%.These population values and projections come from Lithuania city census rows via CityPopulation official attribution, World Population Review Internal Projections and Lithuania city estimate rows via CityPopulation official attribution.