Siemianowice Slaskie's 2025 population is now estimated at 64,746. In 1950, the population of Siemianowice Slaskie was 52,994. Siemianowice Slaskie experienced a decrease of -1,841 residents over the past year, marking an annual decline of -0.56%.
Siemianowice Slaskie's 2025 population is now estimated at 64,746. In 1950, the population of Siemianowice Slaskie was 52,994. Siemianowice Slaskie experienced a decrease of -1,841 residents over the past year, marking an annual decline of -0.56%.