Local driving hazards include Highway 401 travel, winter weather on the St. Lawrence, longer trips to Ottawa and Montreal, commercial/cross-border travel. Drivers should keep these factors in mind when planning ahead for auto insurance in Cornwall.
Here you will find local rates in Cornwall, as well as other communities in the surrounding eastern Ontario region. You will learn why rates differ among postal areas and by age, driving record and vehicle. And you will know what coverage is included in the rates listed here. We give you some information on local accidents and issues that may be important when you shop for insurance. These rates come from real data that we have been collecting since 2026 began.
Key Car Insurance Numbers for Cornwall
According to our internal data, the median annual premium for auto insurance in Cornwall is $1,922, or $160 a month. This is 18.0% less than the provincial median in Ontario.
| Median annual premium | $1,922 |
| Median monthly premium | $160 |
| Cornwall premium vs. Ontario Median | 18.0% less expensive |
| Cheapest Postal Code | K6H ($1,751) |
| Most Expensive Postal Code | K6K ($2,041) |
How Cornwall Premiums Vary by Postal Code
The difference between the highest and lowest premium in Cornwall is $290. K6K has the highest median postal code premium in Cornwall ($2,041) while K6H has the lowest ($1,751).
| Postal Code | Median Annual Car Insurance Premium |
|---|---|
| K6K | $2,041 |
| K6J | $1,935 |
| K6H | $1,751 |
Accident Rates by Postal Code in Cornwall
It’s not as if every area of Cornwall is equally high-risk. Your postal code is also a major determinant of what you will be charged for car insurance. The map below displays the proportion of insured drivers involved in at least one accident within Cornwall’s postal areas, derived from more than 50,000 quotes analyzed on MyChoice.
Source: MyChoice Quote Database
On average, 13.5% of Cornwall drivers have an accident on their driving record.
Areas with the highest accident rates:
- K6K — East Cornwall / Riverdale: 14.8% of drivers have an accident on record
- K6H — West Cornwall / St. Andrews: 13.0%
Areas with the lowest accident rates:
K6J — Downtown Cornwall / Le Village: 12.5%
Cornwall’s postal areas fall within a narrow 12.5%–14.8% accident-rate range. East Cornwall (K6K) sits slightly above Downtown Cornwall (K6J), a difference that may contribute to modest variation in premiums.
Highway 401, River Weather, and Cross-Border Traffic in Cornwall
Drivers in Cornwall should allow extra room for trucks, check Eastern Ontario travel reports and allow extra time to travel. Cornwall drivers share regional routes connected to Highway 401 with commercial and international traffic. Wind, fog, snow and freezing rain are common in the St. Lawrence area. These conditions can reduce visibility and traction, as well as slow traffic at bridges and borders.
Read More: Driving Safely in Freezing Rain Around Cornwall
Is Car Insurance in Cornwall Higher Than Nearby?
Among the cities in eastern Ontario included in this analysis, Cornwall has the lowest price tag. The next cheapest city is Kingston at $1,963 per year. That’s $41 more than Cornwall. Ottawa, Brockville, Belleville and Peterborough have higher costs as well.
| City | Median Annual Car Insurance Premium | Difference from Cornwall Premium |
|---|---|---|
| Cornwall, ON | $1,922 | — |
| Ottawa, ON | $1,985 | +3.3% |
| Kingston, ON | $1,963 | +2.1% |
| Brockville, ON | $1,965 | +2.2% |
| Belleville, ON | $2,005 | +4.3% |
| Peterborough, ON | $1,986 | +3.3% |
Where the Cornwall Car Insurance Premium Goes
Approximately 51% of Cornwall’s premium goes toward vehicle damage protection; 38% goes toward mandatory coverage; and the balance (10%) covers optional Accident Benefits and endorsements.
If you use the 401 or the rural roads often during the winter, you may want to rethink dropping that vehicle protection portion of your insurance just to save on the premium. Compare the savings to what you can afford to repair or replace on your own.
| Part of the policy | What is included | Median Annual Car Insurance Premium |
|---|---|---|
| Legally required coverage | Third-Party Liability; mandatory medical, rehabilitation and attendant care; Uninsured Automobile | $732.29 |
| Vehicle damage protection | DCPD; Collision; Comprehensive | $989.75 |
| Optional Accident Benefits | Selected optional benefits shown below | $187.23 |
| Optional endorsements | OPCF 44R – Family Protection | $12.72 |
| Coverage Total: | $1,922 |
How Age Affects Car Insurance Premiums in Cornwall
The largest age-related gap in Cornwall appears among younger drivers. The median for ages 18–20 is $4,603, more than double the $1,922 median for ages 35–44.
| Age | Median Annual Car Insurance Premium |
|---|---|
| 18-20 | $4,603 |
| 21-24 | $2,959 |
| 25-34 | $2,368 |
| 35-44 | $1,922 |
| 45-54 | $1,743 |
| 55-64 | $1,651 |
| 65+ | $1,618 |
Cornwall Car Insurance Costs by Driving Record
Median auto insurance premium for Cornwall, Ontario, Canada drivers with clean driving records is $1,922. One at-fault accident would increase this premium by 49% to $2,873, while one minor speeding ticket would result in a premium of $2,440, an increase of roughly 27%.
Cornwall’s location means your driving history outside Ontario can matter. So if you happen to receive one in New York State or in Quebec don’t expect it will be forgotten when you drive back into Ontario.
| Driving record | Median Annual Car Insurance Premium |
|---|---|
| Clean | $1,922 |
| Minor speeding ticket | $2,440 |
| One at-fault accident | $2,873 |
| Insurance cancellation (non-payment) | $2,552 |
| Licence suspension | $2,622 |
| Impaired driving conviction | $4,697 |
| Stunt driving conviction | $3,202 |
Read More: How Out-of-Province Speeding Tickets Follow Ontario Drivers
