Rastgou entered Islamic Consultative Assembly's 5th term in Malayer's 1997 by-election, defeating the incumbent Hassan Zamanifar.

[7] In 2000 elections, she ran for a seat in Tehran, Rey, Shemiranat and Eslamshahr as Freethinkers' Pinnacle Party's candidate and was defeated.

[9] She lost 2003 and 2006 elections of City Council of Tehran, but eventually won a seat in 2013 while being supported by reformists coalition.

A sudden switch of allegiance by Rastgou, reformist-backed member of the Tehran City Council, helped Mohammad Bagher Ghalibaf to retain his seat by a vote margin of one.

[10] In 2017, she officially joined the conservative alliance Popular Front of Islamic Revolution Forces.