South Dakota Petition Signature Requirements (2026)

How many signatures you need to qualify for the ballot in South Dakota, the 2026 petition filing windows, and how to validate your signatures against the South Dakota voter file.

Of enrolled voters — State Senator, State Representative

2026 filing windows have closed — confirm dates with your election authority.

Signature requirements by office

Office	Minimum signatures	% of enrolled voters	Details
State Senator, State Representative	—	5%
Governor, Lieutenant Governor	—	5%

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Every 2026 filing window and deadline
Statute citations and full petition rules
Signature validation against the South Dakota voter file

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Official sources

Always confirm requirements and deadlines with the official South Dakota election authority before you file:

South Dakota Secretary of State

Frequently asked questions

How many signatures do I need to get on the ballot in South Dakota?

South Dakota signature requirements vary by office. State Senator, State Representative: 5% of enrolled voters; Governor, Lieutenant Governor: 5% of enrolled voters. See the full table above for all offices.

What is the 2026 petition filing deadline in South Dakota?

Filing windows for South Dakota have closed or vary by office. Create a free account and confirm dates with your election authority.

Can I validate South Dakota petition signatures myself?

Yes. Petition Validator lets you upload petition pages and automatically matches each signer against the South Dakota voter file — checking registration, address, and duplicates in seconds per signature. You can start free, no paid Victory Waves account required.

How does signature validation work?

You upload images of your petition pages; our system transcribes each signature and matches the signer's name, address, and date against official voter registration data to confirm they're a registered voter in the correct jurisdiction.

Last updated for the 2026 cycle on May 27, 2026. Always confirm requirements and deadlines with your state or local election authority.