>>373970972
1 Ukrainian
1 Russian (2 if you count Maddo, but he left)
1 Russian emigrant living in US
2 Half-Russians living in EU
1 Half-Russian emigrant living in US
+? est. number of unknown cases (inconclusive)

Source: Statistical Bureau of /vrg/, February 2022 Census

Also of note: Finns and Balts living close to the border.