How Pennington County Compares

Pennington County

40.1 years

South Dakota Average

40.1 years

Rank #40 of 66 in state

National

38.9 years

3.1% above

National Distribution

Where Pennington County falls among all 3,222 U.S. counties for median age.

21.4 years 86.2 years

■ Pennington County: 40.1 years

Ranking Context

Rank	County	Value
#2,095	Warren County, OH	40.1 years
#2,096	Linn County, OR	40.1 years
#2,097	Greenwood County, SC	40.1 years
#2,098	Pennington County, SD	40.1 years
#2,099	Sanborn County, SD	40.1 years
#2,100	Hamblen County, TN	40.1 years
#2,101	Hardeman County, TN	40.1 years

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Median Age in Pennington County, South Dakota

Pennington County, South Dakota has a median age of 40.1 years, which ranks #2,098 of 3,222 out of 3,222 counties nationwide. This is 3.1% above the national value of 38.9 years.

Within South Dakota, Pennington County ranks #40 of 66 out of 66 counties. This places it in the 35th percentile nationally.

The median age of the total population. All data comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates for 2024.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.