Morrow County ZIP Codes

List of ZIP Codes in Morrow County

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


S.N. Zip Code Latitude Longitude City Population Density
1 97818 45.7567 -119.78444 Boardman 5,402 9.8
2 97836 45.29166 -119.50144 Heppner 2,279 0.9
3 97839 45.58272 -119.60005 Lexington 236 0.5
4 97843 45.50479 -119.88066 Ione 725 0.8
5 97844 45.87867 -119.54676 Irrigon 3,569 41.8


About Morrow County ZIP Codes

Morrow County in Oregon (OR) is served by approximately 5 ZIP Codes. These codes cover residential neighborhoods, business districts, and rural areas that fall under the county's jurisdiction.

Based on ZIP-level population estimates, the total population covered by these ZIP Codes is around 12,211 people. Population and density values vary from one ZIP Code to another, reflecting the mix of dense urban communities and lower-density suburban or rural zones.

Many of the most significant population centers in Morrow County are located in cities such as Boardman, Irrigon, Heppner, Ione, Lexington. These cities and towns help define the economic and demographic character of the county.

Most ZIP Codes in Morrow County, Oregon follow the America/Los_Angeles time zone.