She is a Democratic member of the Connecticut House of Representatives serving in the 143rd district since 2022.

[1] Johnson became a community organizer in her 20s, and was a data fellow for Barack Obama's 2008 presidential campaign.

[2] Johnson became a member of the Norwalk Democratic Town Committee in 2019.

She was chosen to fill a vacancy on the Norwalk Common Council in January 2020, and elected for a full term in 2021.

Her district encompasses portions of Norwalk and Westport, Connecticut.