Cities in Marion County, Oregon by Population (2024)

There are 30 cities in Marion County, Oregon.

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Salem1Oregon177,928175,9420.28%3,63648.93
Keizer2Oregon38,30639,338-0.67%5,3317.18
Woodburn3Oregon30,05125,9793.51%5,1295.86
Wilsonville4Oregon26,22126,717-0.47%3,4737.55
Hayesville5Oregon21,69222,189-0.3%7,2552.99
Four Corners6Oregon15,83516,491-1.03%6,4792.44
Silverton7Oregon10,29410,480-0.46%2,9353.51
Stayton8Oregon8,2228,234-0.04%2,6333.12
Aumsville9Oregon4,1364,247-0.67%3,6631.13
Mount Angel10Oregon3,4383,4010.26%3,0261.14
Hubbard11Oregon3,3513,435-0.62%4,1780.80
Jefferson12Oregon3,2443,335-0.7%3,7850.86
Sublimity13Oregon2,8932,968-0.65%3,0840.94
Gervais14Oregon2,5302,596-0.67%6,2160.41
Turner15Oregon2,3742,450-0.79%1,6571.43
Mill City16Oregon1,9941,9760.2%2,2110.90
Lyons17Oregon1,2061,208-0.08%1,3940.86
Aurora18Oregon1,1101,142-0.72%2,2930.48
Donald19Oregon9961,011-0.4%2,6280.38
Mehama20Oregon67239611.44%1,4670.46
Labish Village21Oregon5014910.6%9,2780.05
Gates22Oregon445552-5.72%6890.65
St. Paul23Oregon421433-0.71%1,4320.29
Scotts Mills24Oregon413417-0.24%1,1440.36
Butteville25Oregon253317-5.95%2411.05
Marion26Oregon238416-10.53%2071.15
Detroit27Oregon183201-2.66%3120.59
Brooks28Oregon159621-32.34%3120.51
Idanha29Oregon1561560%2110.74
Barlow30Oregon1381320.73%2,6540.05
showing: 30 rows

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Marion County, Oregon?

Salem is the largest city in Marion County.

What is the smallest city in Marion County, Oregon?

Barlow is the smallest city in Marion County.

How many cities are in Marion County?

There are 30 cities in Marion County, Oregon.

Frequently Asked Questions