ZIP 80109 Insurance Data
Castle Rock, Colorado · Douglas County · 252 policies
Data Snapshot: ZIP 80109 (Castle Rock, CO)
ZIP 80109 (Castle Rock, CO) shows an average homeowners insurance premium of $3,226 per year as of 2022, based on U.S. Treasury FIO ZIP-level observations across approximately 252 reported policies. That is 82% above the national average of $1,776 per year, placing this ZIP in the 96th percentile nationally. Compared to the Colorado state average of $2,591, this ZIP runs 25% above, reflecting neighborhood-level differences in catastrophe exposure, property age, and claims history.
The loss ratio for ZIP 80109 is 17.5%, meaning insurers retained a working margin after claims. Claim frequency — the share of policies with at least one claim — is 3.90%, and the average claim severity (amount paid per claim) is $14,526. Nonrenewal — insurers declining to extend coverage at policy expiration — occurs at 2.00% in this ZIP, a rise of 173.2% over the past five years; rising nonrenewal often signals insurer retreat from high-risk markets.
Across 5 years (2018–2022), premiums in ZIP 80109 have risen by 23.0%, ranging from $2,622 to $3,226 with a five-year average of $2,859 — an annualized rate of +5.3% 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 80109 Compares
Premium History
| Year | Avg Premium | YoY Change |
|---|---|---|
| 2018 | $2,622 | — |
| 2019 | $2,706 | +3.2% |
| 2020 | $2,809 | +3.8% |
| 2021 | $2,930 | +4.3% |
| 2022 | $3,226 | +10.1% |
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 80109? ▼
What affects homeowners insurance costs in Castle Rock, CO? ▼
Is homeowners insurance expensive in ZIP 80109 compared to the national average? ▼
What is the nonrenewal rate in ZIP 80109? ▼
How have premiums trended in ZIP 80109 over 5 years? ▼
How does ZIP 80109 compare to the Colorado state average? ▼
Read our methodology — how this data is sourced, computed, and verified.