Morrow County, Oregon Cities (2025)

5 cities

City
Rank
2025 Pop. ↓
2020 Pop.
Change
Density
Area (mi²)
Type
Boardman14,5503,8443.2%1,1294.03 City
Irrigon22,0042,014-0.1%1,5451.30 City
Heppner31,0741,188-2.1%8731.23 City
Ione4315339-1.56%4150.76 City
Lexington5216240-2.26%4940.44 Town

Morrow County Cities Summary

Largest City

Boardman is the largest city in Morrow County, with a population of 4,550.

Smallest City

Lexington is the smallest city in Morrow County.

10 Largest Cities

There are 5 cities in Morrow County, Oregon.