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The City of Portland, Oregon

Auditor Mary Hull Caballero

Promoting open and accountable government

Initiative Signature Requirements

For initiatives filed prior to the Municipal Primary Election in May 2020, 37,638 valid signatures of registered Portland voters are required on a petition to qualify to the ballot. This includes petitions intended for the regular primary and general elections held in May 2020 and November 2020.  

City Code Section 2.04.090 says that an initiative petition shall be signed by a number of legal voters equal to or greater than 9 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. On the date of the May 15, 2018 Primary Election, there were 418,189 registered voters in the City of Portland.