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Population Review

What is the population of Pennington County, SD?

Pennington County in South Dakota has a population of 112,081, per Census ACS 5-Year estimates. The median household income is $70,768 and the median age is 39.7.

Context

Counties are the primary administrative subdivisions of states and a stable unit for tracking population. Pennington County's population reflects everyone within county lines, including residents of incorporated cities and unincorporated areas.

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Pennington County in South Dakota has a population of 112,081, per Census ACS 5-Year estimates. The median household income is $70,768 and the median age is 39.7.