Updated April 2026
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What Affects Rates in Aberdeen
- Rural Highway Driving Patterns: Aberdeen sits at the junction of US-12 and US-281, with drivers frequently traveling rural highways at higher speeds. High-risk drivers with speeding violations or at-fault accidents face steeper premiums due to increased severity risk on these routes compared to urban settings.
- Winter Weather Severity: Brown County experiences average snowfall exceeding 40 inches annually, with frequent ice storms from November through March. Drivers with prior at-fault accidents see higher comprehensive and collision costs, as insurers price in elevated winter claim frequency.
- Limited Carrier Competition: Aberdeen's smaller market means fewer standard carriers write high-risk policies locally, pushing DUI and suspended license drivers toward non-standard insurers. This reduced competition typically adds 15–25% to premiums compared to Sioux Falls' more competitive market.
- DUI Court Processing Through Brown County: Brown County processes DUI cases through the Third Judicial Circuit, with SR-22 filing required immediately upon conviction or license suspension. Delays in filing can extend suspension periods, and insurers track filing gaps closely when pricing renewals.
- Uninsured Motorist Rate Context: South Dakota's uninsured motorist rate runs approximately 7–9%, which is below the national average but still material in Aberdeen's smaller population base. High-risk drivers benefit from carrying uninsured motorist coverage given the elevated accident risk in this driver pool.