ZIP 57231 Insurance Data

Data Snapshot: ZIP 57231 (De Smet, SD)

ZIP 57231 (De Smet, SD) shows an average homeowners insurance premium of $1,448 per year as of 2022, based on U.S. Treasury FIO ZIP-level observations across approximately 2 reported policies. That is 18% below the national average of $1,776 per year, placing this ZIP in the 42th percentile nationally. Compared to the South Dakota state average of $1,854, this ZIP runs 22% below, reflecting neighborhood-level differences in catastrophe exposure, property age, and claims history.

The loss ratio for ZIP 57231 is 28.9%, meaning insurers retained a working margin after claims. Claim frequency — the share of policies with at least one claim — is 6.90%, and the average claim severity (amount paid per claim) is $6,070.

Across 5 years (2018–2022), premiums in ZIP 57231 have risen by 16.2%, ranging from $1,246 to $1,448 with a five-year average of $1,344 — an annualized rate of +3.8% per year. FIO data aggregates voluntary reporting from the 40 largest homeowners insurers, covering roughly 80% of the U.S. market, so figures represent market averages rather than individual policy quotes; your own premium will vary with dwelling value, deductible, coverage limits, construction type, and insurer-specific underwriting. This page is educational research only and is not insurance advice — homeowners should request quotes from multiple licensed carriers or an independent agent before purchasing or renewing coverage.