Cities in Harmon County, Oklahoma by Population (2024)

There are 5 cities in Harmon County, Oklahoma.

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)
Mangum1Oklahoma2,8122,7640.43%1,6681.69
Hollis2Oklahoma1,7171,781-0.92%1,1561.49
East Duke3Oklahoma389393-0.26%8940.43
Eldorado4Oklahoma311317-0.32%4240.73
Gould5Oklahoma97101-1.02%2660.36

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 Harmon County, Oklahoma?

Mangum is the largest city in Harmon County.

What is the smallest city in Harmon County, Oklahoma?

Gould is the smallest city in Harmon County.

How many cities are in Harmon County?

There are 5 cities in Harmon County, Oklahoma.

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