| Postal Code | K6K 1S1 |
| City | Cornwall |
| Province | Ontario (ON) |
| Coordinates | 45.0626000, -74.7713000 |
| Population | 21 |
| FSA (Forward Sortation Area) | K6K |
| LDU (Local Delivery Unit) | 1S1 |
| Country | Canada |
K6K 1S1 is a sparsely populated postal code covering Cornwall in Ontario, Canada.
Census data puts the population of this postal code at 21 residents. That's below the Ontario average of about 47 people per postal code.
Nearby communities in Ontario include Kleinburg, Schomberg.
The postal code for Cornwall, Ontario is K6K 1S1.
K6K 1S1 is located in Ontario, Canada.
The population of K6K 1S1 (Cornwall) is approximately 21 people.
K6K 1S1 is less populated than the typical Ontario postal code, which averages around 47 people.
Postal code codes near K6K 1S1 include L0J 0A1, L0J 1C0, L0G 0A1.