Serpukhov constituency

The Serpukhov constituency is a Russian legislative constituency in Moscow Oblast. The constituency covers southern Moscow Oblast, including the cities Chekhov, Kashira, Ozyory, Protvino, Pushchino, Serpukhov and Stupino.
The constituency has been represented since 2021 by United Russia deputy Aleksandr Kogan, former two-term Member of State Duma and Minister of Ecology and Natural Resources of Moscow Oblast, who won the open seat, succeeding one-term United Russia incumbent Yury Oleynikov.

Boundaries

1995–2007: Chekhovsky District, Domodedovsky District, Prioksk, Protvino, Pushchino, Serpukhov, Serpukhovsky District, Stupinsky District

The constituency was created in 1995 from parts of Podolsk, Kolomna and Odintsovo constituencies. The constituency covered southern Moscow Oblast, including the cities Chekhov, Domodedovo, Protvino, Pushchino, Serpukhov and Stupino.
2016–2026: Chekhov, Kashira, Ozyory, Protvino, Pushchino, Serpukhov, Stupino

The constituency was re-created for the 2016 election and retained most of its former territory, losing only Domodedovo to Podolsk constituency. This seat instead gained Kashira from Kolomna constituency.
Since 2026: Bronnitsy, Chekhov, Ramenskoye, Serpukhov, Stupino

After the 2025 redistricting the constituency was significantly changed, losing Kashira to Kolomna constituency. This seat instead gained a strip across central Ramenskoye and Bronnitsy from Lyubertsy constituency.

Election results

1995

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Serpukhov constituency

Boundaries

Election results

1995

1999

2003

2016

2021