New streets were paved and new buildings were opened. In 1820 a new church was built and the following year the first synagogue opened. In 1829 a permanent post office was opened in Suwałki. Between 1806 and 1827 the number of people living in the town grew and reached 3,753 people living in 357 houses. In the November Uprising of 1831 the people living in the town took part in the fights against Russia, but the city was taken by the Russian army on February 11. In 1835 Tsar Nicholas I decided not to move the capital to Augustów and the fate of Suwałki was sealed. Two years later the town became the capital of Augustów Gubernia.