ZIP 29920 Insurance Data
Saint Helena Island, South Carolina · Beaufort County · 37 policies
Data Snapshot: ZIP 29920 (Saint Helena Island, SC)
ZIP 29920 (Saint Helena Island, SC) shows an average homeowners insurance premium of $3,941 per year as of 2022, based on U.S. Treasury FIO ZIP-level observations across approximately 37 reported policies. That is 122% 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 123% above, reflecting neighborhood-level differences in catastrophe exposure, property age, and claims history.
The loss ratio for ZIP 29920 is 15.7%, meaning insurers retained a working margin after claims. Claim frequency — the share of policies with at least one claim — is 2.47%, and the average claim severity (amount paid per claim) is $25,007. Nonrenewal — insurers declining to extend coverage at policy expiration — occurs at 6.27% in this ZIP, a rise of 141.9% over the past five years; rising nonrenewal often signals insurer retreat from high-risk markets.
Across 5 years (2018–2022), premiums in ZIP 29920 have fallen by 4.9%, ranging from $3,941 to $4,262 with a five-year average of $4,122 — an annualized rate of -1.3% 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.
How ZIP 29920 Compares
Premium History
| Year | Avg Premium | YoY Change |
|---|---|---|
| 2018 | $4,144 | — |
| 2019 | $4,118 | -0.6% |
| 2020 | $4,262 | +3.5% |
| 2021 | $4,144 | -2.8% |
| 2022 | $3,941 | -4.9% |
5-Year Trend Summary
Similar ZIP Codes in South Carolina
ZIP codes with similar premium levels in South Carolina.
Insurance Guides
Related Data
Source: U.S. Department of the Treasury, Federal Insurance Office (FIO) Homeowners Insurance Data (2018-2022). Premiums are ZIP-level averages and may not reflect individual policy costs U.S. Department of the Treasury, Federal Insurance Office (FIO) Homeowners Insurance Data (2018-2022). Premiums are ZIP-level averages and may not reflect individual policy costs
Frequently Asked Questions
How much is homeowners insurance in ZIP 29920? ▼
What affects homeowners insurance costs in Saint Helena Island, SC? ▼
Is homeowners insurance expensive in ZIP 29920 compared to the national average? ▼
What is the nonrenewal rate in ZIP 29920? ▼
How have premiums trended in ZIP 29920 over 5 years? ▼
How does ZIP 29920 compare to the South Carolina state average? ▼
Read our methodology — how this data is sourced, computed, and verified.