How Summit County Compares

Summit County

39.5 years

Colorado Average

39.5 years

Rank #47 of 64 in state

National

38.9 years

1.5% above

National Distribution

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

21.4 years 86.2 years

■ Summit County: 39.5 years

Ranking Context

Rank	County	Value
#2,248	Elmore County, AL	39.5 years
#2,249	Navajo County, AZ	39.5 years
#2,250	Kit Carson County, CO	39.5 years
#2,251	Summit County, CO	39.5 years
#2,252	Polk County, FL	39.5 years
#2,253	Spalding County, GA	39.5 years
#2,254	Kalawao County, HI	39.5 years

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Median Age in Summit County, Colorado

Summit County, Colorado has a median age of 39.5 years, which ranks #2,251 of 3,222 out of 3,222 counties nationwide. This is 1.5% above the national value of 38.9 years.

Within Colorado, Summit County ranks #47 of 64 out of 64 counties. This places it in the 30th 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.