South Dakota state law: political and campaign signs

The South Dakota Codified Laws contain no general residential political-sign statute. Authority to regulate residential yard signs is delegated to municipalities under SDCL Chapter 11-4 (Municipal Zoning), to counties under SDCL Chapter 11-2 (County Zoning) for unincorporated areas, and to home-rule cities (Sioux Falls, Rapid City, Watertown) under SDCL 6-12 charters. SDCL 9-29-1 supplies the general police-power hook for statutory municipalities. State election law in SDCL Title 12 (Elections) regulates polling-place electioneering (typical 100-foot exclusion zone around polling places on election day) but does not regulate private-property yard signs during campaign season. SDCL Chapter 31-29 (Advertising Adjacent to Highways) governs commercial off-premises billboards within 660 feet of interstate and federal-aid primary highways, mirroring the federal Highway Beautification Act (23 USC § 131); residential yard signs and on-premises political signs are not covered. Any local political-sign ordinance must comply with Reed v. Town of Gilbert, 576 U.S. 155 (2015) — content-based sign distinctions (treating campaign signs differently from other temporary signs) trigger strict scrutiny. Compliant ordinances typically regulate temporary signs in a content-neutral manner by size, number, height, and duration without singling out election-related content.

There is no state-level political-sign penalty. Enforcement is by municipal or county code-enforcement citation under local sign ordinance, typically requiring the sign owner to remove or resize a non-conforming sign after written notice. Continued violation may carry per-day administrative fines under local nuisance-abatement provisions authorized by SDCL Chapter 9-32 (municipal nuisance powers). Removing or defacing another person's political sign on their own property can constitute criminal mischief under SDCL 22-34-1.