The article examines the territorial and socio-cultural characteristics of participatory budgeting (PB) practices. The study revealed that, until 2020, the average annual number of new PB practices in the European part of the Russian Federation was three times greater than in the Urals, Siberia, and the Far East. The level of budget support for PB is significantly higher in the European part of Russia; municipal practices, leaders in the number of projects, predominate in the Ural and Siberian regions. The findings indicate the heterogeneity of PB development in Russia and the influence of socio-cultural and territorial factors on the parameters of PB practices. The results highlight the need to take these features into account when designing and developing practices and modernizing PB tools.