ZIP 48309 Insurance Data
Rochester, Michigan · Oakland County · 727 policies
Data Snapshot: ZIP 48309 (Rochester, MI)
ZIP 48309 (Rochester, MI) shows an average homeowners insurance premium of $1,556 per year as of 2022, based on U.S. Treasury FIO ZIP-level observations across approximately 727 reported policies. That is 12% below the national average of $1,776 per year, placing this ZIP in the 50th percentile nationally. Compared to the Michigan state average of $1,233, this ZIP runs 26% above, reflecting neighborhood-level differences in catastrophe exposure, property age, and claims history.
The loss ratio for ZIP 48309 is 48.8%, meaning insurers retained a working margin after claims. Claim frequency — the share of policies with at least one claim — is 4.50%, and the average claim severity (amount paid per claim) is $16,882. Nonrenewal — insurers declining to extend coverage at policy expiration — occurs at 2.06% in this ZIP, a drop of 74.8% over the past five years; rising nonrenewal often signals insurer retreat from high-risk markets.
Across 5 years (2018–2022), premiums in ZIP 48309 have risen by 1.0%, ranging from $1,527 to $1,556 with a five-year average of $1,541 — an annualized rate of +0.2% 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.
How ZIP 48309 Compares
Premium History
| Year | Avg Premium | YoY Change |
|---|---|---|
| 2018 | $1,541 | — |
| 2019 | $1,527 | -0.9% |
| 2020 | $1,541 | +0.9% |
| 2021 | $1,541 | +0.0% |
| 2022 | $1,556 | +0.9% |
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 48309? ▼
What affects homeowners insurance costs in Rochester, MI? ▼
Is homeowners insurance expensive in ZIP 48309 compared to the national average? ▼
What is the nonrenewal rate in ZIP 48309? ▼
How have premiums trended in ZIP 48309 over 5 years? ▼
How does ZIP 48309 compare to the Michigan state average? ▼
Read our methodology — how this data is sourced, computed, and verified.