Updated March 2026
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What Affects Rates in Aberdeen
- Winter Weather Claim Frequency: Aberdeen averages over 40 inches of snow annually with frequent ice conditions from November through March. Drivers with prior at-fault accidents face steeper surcharges because winter collision risk amplifies underwriting concern in Brown County.
- Rural Highway Exposure: US-281 and US-12 corridor accidents involving high speeds result in more severe claims. High-risk drivers with speeding violations on rural routes see larger premium increases than those with in-city violations due to higher fatality rates on open roads.
- Limited Carrier Competition: Aberdeen has fewer brick-and-mortar insurance offices than Sioux Falls or Rapid City, narrowing local options for non-standard risk. Drivers with violations benefit most from regional and national non-standard carriers who write policies statewide without requiring local agents.
- Uninsured Motorist Rate: South Dakota's uninsured motorist rate hovers near 10%, slightly above the national average. Carriers price uninsured motorist coverage higher for drivers with points because the likelihood of multi-party claims increases in areas with elevated uninsured driver populations.
- DUI Enforcement and Court Location: Brown County courts handle DUI cases with consistent sentencing patterns, typically requiring SR-22 for 3 years post-conviction. Drivers with DUI convictions face 150–250% rate increases, with reductions beginning after 3–5 years of clean driving.