A nominating petition filed on behalf of a candidate for municipal office in a city of the first class shall be signed by eligible voters who maintain residence in the election district from which the candidate is to be elected. The number of signers shall equal 500, or two percent of the total number of individuals who voted in the municipality, ward, or other election district at the last preceding municipal general election, whichever is greater.
Minn. Stat. § 205.121
1981 c 29 art 7 s 9