ZIP 57223 Insurance Data
Castlewood, South Dakota · Hamlin County · 4 policies
Data Snapshot: ZIP 57223 (Castlewood, SD)
ZIP 57223 (Castlewood, SD) shows an average homeowners insurance premium of $1,803 per year as of 2022, based on U.S. Treasury FIO ZIP-level observations across approximately 4 reported policies. That is 2% above the national average of $1,776 per year, placing this ZIP in the 66th percentile nationally. Compared to the South Dakota state average of $1,854, this ZIP runs 3% below, reflecting neighborhood-level differences in catastrophe exposure, property age, and claims history.
The loss ratio for ZIP 57223 is 698.7%, meaning insurers paid out more in claims than they collected — a signal that premiums may rise or carriers may exit. Claim frequency — the share of policies with at least one claim — is 36.78%, and the average claim severity (amount paid per claim) is $34,243. Nonrenewal — insurers declining to extend coverage at policy expiration — occurs at 0.77% in this ZIP, a rise of 76.3% over the past five years; rising nonrenewal often signals insurer retreat from high-risk markets.
Across 5 years (2018–2022), premiums in ZIP 57223 have risen by 25.9%, ranging from $1,432 to $1,803 with a five-year average of $1,584 — an annualized rate of +5.9% 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 57223 Compares
Premium History
| Year | Avg Premium | YoY Change |
|---|---|---|
| 2018 | $1,432 | — |
| 2019 | $1,487 | +3.9% |
| 2020 | $1,577 | +6.1% |
| 2021 | $1,624 | +3.0% |
| 2022 | $1,803 | +11.0% |
5-Year Trend Summary
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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 57223? ▼
What affects homeowners insurance costs in Castlewood, SD? ▼
Is homeowners insurance expensive in ZIP 57223 compared to the national average? ▼
What is the nonrenewal rate in ZIP 57223? ▼
How have premiums trended in ZIP 57223 over 5 years? ▼
How does ZIP 57223 compare to the South Dakota state average? ▼
Read our methodology — how this data is sourced, computed, and verified.