Summit is located in Adair County, Iowa. Summit has a 2025 population of 1,117. Summit is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Summit is $106,219 with a poverty rate of 3.94%. The median age in Summit is 42.3 years: 37.1 years for males, and 43.9 years for females.
Data after 2023 is projected based on recent change
The racial composition of Summit includes 96.24% White, and smaller percentages for other race and multiracial populations.
White (96.2%)
Two or more races (3.4%)
Other race (0.4%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,075 | 96.24% |
| Two or more races | 38 | 3.4% |
| Other race | 4 | 0.36% |
Married
Widowed
Divorced
Separated
Never Married
Summit's average per capita income is $40,938. Household income levels show a median of $70,714. The poverty rate stands at 3.94%.
Name | Median | Mean |
|---|---|---|
| Married Families | $98,011 | - |
| Families | $95,893 | $136,833 |
| Households | $70,714 | $106,219 |
| Non Families | $43,750 | $52,893 |
Average Income
Median Household Income
Poverty Rate