ZIP 58503 Insurance Data

Data Snapshot: ZIP 58503 (Bismarck, ND)

ZIP 58503 (Bismarck, ND) shows an average homeowners insurance premium of $2,476 per year as of 2022, based on U.S. Treasury FIO ZIP-level observations across approximately 74 reported policies. That is 39% above the national average of $1,776 per year, placing this ZIP in the 88th percentile nationally. Compared to the North Dakota state average of $1,954, this ZIP runs 27% above, reflecting neighborhood-level differences in catastrophe exposure, property age, and claims history.

The loss ratio for ZIP 58503 is 96.5%, meaning insurers are operating on thin margins here. Claim frequency — the share of policies with at least one claim — is 18.85%, and the average claim severity (amount paid per claim) is $12,675. Nonrenewal — insurers declining to extend coverage at policy expiration — occurs at 0.57% in this ZIP, a rise of 44.0% over the past five years; rising nonrenewal often signals insurer retreat from high-risk markets.

Across 5 years (2018–2022), premiums in ZIP 58503 have risen by 9.2%, ranging from $2,268 to $2,481 with a five-year average of $2,366 — an annualized rate of +2.2% 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.