Summit County's 2026 population is estimated at 43,449, reflecting a 0.39% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Summit County is the 10th largest county in Utah. The 2010 population was 36,502 and has grown 19.03% since 2010.
Data after 2023 is projected based on recent change
Overall: 41.5 years
Female: 41.6 years
Male: 41.2 years
There are 33,024 adults, (6,568 of whom are seniors) in Summit County.
Female: 20,928 (48.7%)
Male: 22,042 (51.3%)
The racial composition of Summit County includes 85.03% White, 4.04% other race, and smaller percentages for Asian, Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 36,536 | 85.03% |
| Two or more races | 3,489 | 8.12% |
| Other race | 1,737 | 4.04% |
| Asian | 756 | 1.76% |
| Native American | 206 | 0.48% |
| Black or African American | 159 | 0.37% |
| Native Hawaiian or Pacific Islander | 87 | 0.2% |
Summit County 's average per capita income is $68,602. Household income levels show a median of $138,114. The poverty rate stands at 4.88%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $167,917 | - |
| Families | $159,033 | $240,313 |
| Households | $138,114 | $210,870 |
| Non Families | $89,417 | $125,063 |
Average Income
Median Household Income
Poverty Rate
