Cities in Gallia County, Ohio by Population (2024)

There are 14 cities in Gallia County, Ohio.

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)
Gallipolis1Ohio3,2743,313-0.3%9103.60
Middleport2Ohio2,1402,204-0.74%1,1901.80
Pomeroy3Ohio1,5121,567-0.92%4613.28
Oak Hill4Ohio1,3951,407-0.21%1,0981.27
Bidwell5Ohio1,1068723.27%7271.52
Rio Grande6Ohio7247190.14%5271.38
Miller7Ohio531539-0.38%5360.99
Kanauga8Ohio4569824.59%1,5780.29
Crown City9Ohio419426-0.47%3611.16
Rutland10Ohio412426-0.96%4710.87
Vinton11Ohio221223-0.45%1881.18
Cheshire12Ohio123125-0.81%1600.77
Wilkesville13Ohio106110-0.94%4090.26
Centerville (Thurman)14Ohio8688-1.15%8600.10

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 Gallia County, Ohio?

Gallipolis is the largest city in Gallia County.

What is the smallest city in Gallia County, Ohio?

Centerville (Thurman) is the smallest city in Gallia County.

How many cities are in Gallia County?

There are 14 cities in Gallia County, Ohio.

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