La Grande ZIP Codes

List of Zip Codes of La Grande

The following table lists ZIP Codes associated with La Grande, Oregon, based on ZIP Code Tabulation Area (ZCTA) data from the U.S. Census Bureau.


S.N. Zip Code Latitude Longitude County Population Density
1 97850 45.30689 -118.13265 Union 16,545 19.9


About La Grande Oregon Zip Codes

The city of La Grande in Oregon (OR) is served by approximately 1 ZIP Codes. These codes cover residential neighborhoods, business districts, and surrounding localities that use the city name in their mailing address.

Based on ZIP-level population estimates, the combined population covered by these ZIP Codes is around 16,545 people. Population density can vary significantly from one ZIP Code to another, reflecting the mix of dense urban blocks, commercial corridors, and lower-density residential areas.

The ZIP Codes associated with La Grande fall within county jurisdictions such as Union. Each county manages local services, land use, and administration for the areas corresponding to its ZIP Codes.

Most ZIP codes for La Grande, Oregon follow the America/Los_Angeles time zone.