Covington Township is located in Washington County, Illinois.

As of the 2010 census, its population was 418 and it contained 193 housing units.

[2] According to the 2010 census, the township has a total area of 39.69 square miles (102.8 km2), of which 39.62 square miles (102.6 km2) (or 99.82%) is land and 0.07 square miles (0.18 km2) (or 0.18%) is water.

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