Data Sources
Which states publish auto insurance complaint data, and how they publish it.
Direct access — 14 states
These states publish structured complaint data that we automatically retrieve and update. Data is downloaded directly from state regulator websites with no manual steps.
| State | Source | Data Type |
|---|---|---|
| CA | California DOI ↗ | Justified complaint ratio per 100,000 policies |
| CO | Colorado DORA ↗ | Complaint index (1.0 = industry avg) |
| CT | Connecticut DOI ↗ | Complaint count |
| IL | Illinois IDOI ↗ | Complaint ratio per $1M earned premium |
| IN | Indiana IDOI ↗ | Complaint index (1.0 = industry avg) |
| KS | Kansas DOI ↗ | Complaint index (1.0 = industry avg) |
| MI | Michigan DIFS ↗ | Complaint ratio per $M earned premium |
| MO | Missouri DOI ↗ | Complaint index, 3-year rolling (100 = industry avg) |
| NJ | New Jersey DOBI ↗ | Complaint index (1.0 = industry avg) |
| NV | Nevada DOI ↗ | Raw complaint count |
| NY | New York DFS ↗ | Complaint ratio |
| OR | Oregon DFR ↗ | Complaint index (1.0 = industry avg) |
| SC | South Carolina DOI ↗ | Confirmed complaint ratio per $1M premium |
| TX | Texas TDI ↗ | Complaint index (1.0 = industry avg) |
Formal request or portal only — 2 states
These states collect and maintain complaint statistics but don't publish them in a downloadable format. Data may be accessible via interactive portals (individual lookups only) or through formal public records requests. We do not currently include this data in our scores.
Complaint ratio database accessible via interactive portal — no bulk data download available
Company complaint lookup tool available for individual queries — no bulk export
No known public mechanism — 35 states
For these states, we could not find any public mechanism to obtain insurer-level complaint statistics in a machine-readable format. Some may publish data that we haven't discovered yet, or require custom extraction methods. If you know of a source, please let us know.
Data coverage improves as more states publish structured complaint data. See How We Score for details on how we normalize and grade this data.