How McCook County Compares

McCook County

39.5 years

South Dakota Average

39.5 years

Rank #44 of 66 in state

National

38.9 years

1.5% above

National Distribution

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

21.4 years 86.2 years

■ McCook County: 39.5 years

Ranking Context

Rank	County	Value
#2,271	Hancock County, OH	39.5 years
#2,272	Okmulgee County, OK	39.5 years
#2,273	Hughes County, SD	39.5 years
#2,274	McCook County, SD	39.5 years
#2,275	Bradley County, TN	39.5 years
#2,276	Hamilton County, TN	39.5 years
#2,277	Marshall County, TN	39.5 years

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Median Age in McCook County, South Dakota

McCook County, South Dakota has a median age of 39.5 years, which ranks #2,274 of 3,222 out of 3,222 counties nationwide. This is 1.5% above the national value of 38.9 years.

Within South Dakota, McCook County ranks #44 of 66 out of 66 counties. This places it in the 29th 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.