Does Where You Live Affect Your Car Insurance Rate?

Where you live is one of the first things a car insurer prices, and for most drivers it is one of the biggest single influences on the bill. The short answer is that your location matters a great deal: insurers divide every state into rating "territories" and file a separate factor for each, so two drivers who are identical in every other way can pay very different premiums simply because of their garaging address. Territory is not about the street you live on; it is a stand-in for how often and how expensively claims happen in your area.

What our filed-rate data shows

Rather than estimate, we read a carrier's actual territory table on file with the state. In USAA's Arizona personal-auto filing (SERFF tracking USAA-134755352, effective May 8, 2026), the Territory Relativities exhibit sets an explicit factor for each rating territory. For bodily-injury coverage, the proposed relativity runs from a low of 0.6164 in the lowest-cost Arizona territory to 1.4151 in the highest, with a near-baseline area around 1.0391. In plain terms, the most expensive area carries roughly 2.3 times the bodily-injury territory factor of the cheapest, purely on location. These are filed territory codes rather than named cities, and they are one carrier in one state, transcribed from the clean filing, so they show the shape and size of the location effect rather than a quote for a specific town. As we read more carriers' filings, this page will show how the location spread varies across companies.

The figures below are tied to the regulator filing they came from.

Location is one factor among many

The territory factor is powerful, but it is multiplied against everything else on your policy, so the same ZIP code costs different drivers very different amounts. A clean-record driver in a high-cost city may still pay less than a driver with a recent at-fault accident in a cheap rural territory, because the record can swing the rate as hard as location does. The same is true for age, the vehicle you drive, your coverage limits, and your continuous-coverage history, all of which stack on top of the territory number rather than replacing it. That is one reason a single quote tells you very little about whether your area is being priced fairly. The only way to know is to hold everything else constant, your car, your record, and your coverage, and compare what several carriers charge for that exact profile at your address.

Because each insurer draws its own territory boundaries and weights them differently, the gap between the cheapest and most expensive quote for the same location is often as wide as the territory spread inside a single carrier's own filing. In practical terms, the lever you actually control is not where you live, which is mostly fixed, but which insurer happens to price where you live the most kindly, and that is something only shopping the market can reveal.

What you can and cannot do about it

Location is largely fixed, but a few things are within your control. First, your garaging address must be accurate: listing a cheaper ZIP code than where the car actually lives is rate evasion, and if a claim happens the insurer can deny it or void the policy, so it is never worth it. Second, because every carrier files its own territories and weights them differently, the single most effective move is to compare several insurers for your exact address; the company that prices your area most harshly is often not the cheapest one available. Third, if you are genuinely moving, expect your rate to change, sometimes a lot, and re-shop at the same time, since a move resets the territory factor entirely. You can review how insurers weigh these inputs at the Insurance Information Institute.