How Grant County Compares

Grant County

44.5 years

South Dakota Average

44.5 years

Rank #17 of 66 in state

National

38.9 years

14.4% above

National Distribution

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

21.4 years 86.2 years

■ Grant County: 44.5 years

Ranking Context

Rank	County	Value
#832	Madison County, NC	44.5 years
#833	Northumberland County, PA	44.5 years
#834	Union County, SC	44.5 years
#835	Grant County, SD	44.5 years
#836	Stanley County, SD	44.5 years
#837	McCulloch County, TX	44.5 years
#838	Somervell County, TX	44.5 years

View full ranking →

Median Age in Grant County, South Dakota

Grant County, South Dakota has a median age of 44.5 years, which ranks #835 of 3,222 out of 3,222 counties nationwide. This is 14.4% above the national value of 38.9 years.

Within South Dakota, Grant County ranks #17 of 66 out of 66 counties. This places it in the 74th 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.