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The City of Portland, Oregon

Auditor Mary Hull Caballero

Promoting open and accountable government

Referendum Signature Requirements

City referendum petitions filed prior to June 2020 require 25,092 valid signatures to be placed on the ballot. 

City Code Section 2.04.090 says that a referendum petition must be signed by a number of legal voters equal to or greater than 6 percent of the number of electors registered in the city on the date of the primary municipal election immediately preceding the date the prospective petition is filed, except that a petition signed by 2,000 registered voters shall be sufficient to call a referendum upon any franchise ordinance.

On the date of the May 15, 2018 Primary Election, there were 418,189 registered voters in the City of Portland.