Summit County, Utah
Located in Utah, Summit County has a population of 42,970 residents and a median age of 41.5 years, making it the #1,148 most populous county out of 3,222 nationwide. In terms of economic indicators, the county has a poverty rate of 4.9%. The median home value is $1.1M, and the median household income is $138,114, which is 84% above the national median.
Demographics
Summit County has a population of 42,970, making it the #1,148 most populous county in the US. The median age is 41.5 years, which is 6.7% above the national median.
Population Trend
Rankings →Year-over-Year Population Growth
Age & Sex Distribution
Race & Ethnicity
Nativity
Geographic Mobility (Past Year)
Economy
The median household income in Summit County is $138,114, ranking #17 out of 3,222 counties — 83.8% above the national median. The poverty rate is 4.9% and unemployment stands at 1.8%.
Median Household Income Trend
Rankings →Income Distribution
Industry of Employment
Occupation
Housing
The median home value in Summit County is $1.1M (+278.8% vs national). Renters pay a median of $1,987/mo and the homeownership rate is 80.2%.
Median Home Value Trend
Rankings →Household Type
Education
In Summit County, 59.8% of adults age 25+ hold a bachelor's degree or higher, which is 77.5% above the national average, ranking #26 out of 3,222 counties.
Bachelor's Degree or Higher Trend
Rankings →Health & Wellbeing
Life expectancy in Summit County is 84.0 years. 11.3% of adults report poor or fair health and 8.9% lack health insurance. Data from County Health Rankings (2025).
Life Expectancy Trend
Substance Use
7.2% of adults in Summit County smoke , 23.1% are obese , and 18.3% report excessive drinking. The drug overdose death rate is 10.9 per 100,000.
Adult Smoking Trend
Safety
The suicide rate is 20.8 per 100,000. Motor vehicle deaths occur at a rate of 6.5 per 100,000.
Suicide Rate Trend
Families & Children
4.9% of children in Summit County live in poverty . The teen birth rate is 4.8 per 1,000 females age 15–19.
Teen Birth Rate Trend
Civic & Transportation
Voter turnout in Summit County is 88.9%. The mean commute time is 24.8 min, which is 10.3% below the national average.
Voter Turnout Trend
Mean Commute Time Trend
Rankings →Elections
In the 2024 presidential election, Summit County voted Democratic with a margin of 14.8%. The vote was 56.5% Dem / 41.7% Rep. Compared to 2020, the margin shifted 4.3 toward Republicans .
Vote Share Over Time
About Summit County, Utah
Summit County, Utah has a total population of 42,970, making it the 1,148th most populous county in the United States. The median age in Summit County is 41.5 years, which is 6.7% above the national median of 38.9 years.
The median household income in Summit County is $138,114, which ranks #17 of 3,222 counties nationwide. This is 83.8% above the national median of $75,149. The poverty rate is 4.9%, lower than the national rate of 12.6%. The unemployment rate stands at 1.8%.
The median home value in Summit County is $1.1M, 278.8% above the national median. Renters in Summit County pay a median gross rent of $1,987 per month. The homeownership rate is 80.2%, compared to the national rate of 64.4%.
In Summit County, 59.8% of residents aged 25 and older hold a bachelor's degree or higher, 77.5% above the national average of 33.7%. Health insurance coverage stands at 92.7% of the population. The average commute time for workers is 24.8 min.
Summit County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 82.9% of the population, followed by Hispanic or Latino (11.4%) and Two or More Races (3.1%).
All data for Summit County, Utah comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.