There are 9 cities in Grant County, Oregon.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
John Day1Oregon1,6281,665-0.97%7552.15
Prairie City2Oregon822842-0.96%8290.99
Canyon City3Oregon640659-1.08%4551.41
Mount Vernon4Oregon546549-0.55%7990.68
Long Creek5Oregon164171-1.8%1601.02
Seneca6Oregon163166-0.61%2050.80
Dayville7Oregon129133-1.53%2450.53
Monument8Oregon114115-0.87%2230.51
Granite9Oregon3131 830.37
showing: 9 rows

Cities in Grant County, Oregon by Population (2024)

What is the largest city in Grant County, Oregon?

John Day is the largest city in Grant County.

What is the smallest city in Grant County, Oregon?

Granite is the smallest city in Grant County.

How many cities are in Grant County?

There are 9 cities in Grant County, Oregon.

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