Summit County's estimated 2026 population is 30,998 with a growth rate of 0.19% in the past year according to the most recent United States census data. Summit County is the 20th largest county in Colorado. The 2010 population was 28,075 and has seen a growth of 10.41% since that time.
Data after 2023 is projected based on recent change
The racial composition of Summit County includes 79.47% White, and smaller percentages for other race, Asian, Native Hawaiian or Pacific Islander, Native American, Black or African American and multiracial populations.
White (79.47%)
Two or more races (15.63%)
Other race (2.07%)
Asian (1.57%)
Native Hawaiian or Pacific Islander (0.51%)
Native American (0.38%)
Black or African American (0.37%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 24,521 | 79.47% |
| Two or more races | 4,823 | 15.63% |
| Other race | 639 | 2.07% |
| Asian | 485 | 1.57% |
| Native Hawaiian or Pacific Islander | 158 | 0.51% |
| Native American | 116 | 0.38% |
| Black or African American | 115 | 0.37% |
Married
Widowed
Divorced
Separated
Never Married
Summit County's average per capita income is $53,755. Household income levels show a median of $106,255. The poverty rate stands at 7.42%.
Name | Median | Mean |
|---|---|---|
| Married Families | $137,500 | - |
| Families | $129,246 | $158,723 |
| Households | $106,255 | $138,554 |
| Non Families | $71,129 | $109,592 |
Average Income
Median Household Income
Poverty Rate