ZIP 29455 Insurance Data

Data Snapshot: ZIP 29455 (Johns Island, SC)

ZIP 29455 (Johns Island, SC) shows an average homeowners insurance premium of $4,347 per year as of 2022, based on U.S. Treasury FIO ZIP-level observations across approximately 73 reported policies. That is 145% above the national average of $1,776 per year, placing this ZIP in the 98th percentile nationally. Compared to the South Carolina state average of $1,765, this ZIP runs 146% above, reflecting neighborhood-level differences in catastrophe exposure, property age, and claims history.

The loss ratio for ZIP 29455 is 10.6%, meaning insurers retained a working margin after claims. Claim frequency — the share of policies with at least one claim — is 2.39%, and the average claim severity (amount paid per claim) is $19,221. Nonrenewal — insurers declining to extend coverage at policy expiration — occurs at 11.27% in this ZIP, a rise of 280.8% over the past five years; rising nonrenewal often signals insurer retreat from high-risk markets.

Across 5 years (2018–2022), premiums in ZIP 29455 have fallen by 28.4%, ranging from $4,347 to $6,067 with a five-year average of $5,217 — an annualized rate of -8.0% 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.