Mendon is located in Clayton County, Iowa. Mendon has a 2025 population of 1,636 . Mendon 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 Mendon is $74,535 with a poverty rate of 12.97%. The median age in Mendon is 55.1 years: 55.4 years for males, and 54.8 years for females. For every 100 females there are 110.0 males.
Data after 2023 is projected based on recent change
The racial composition of Mendon includes 97.68% White, and smaller percentages for Two or more races, Native American, Asian, other race and multiracial populations.
White (97.68%)
Two or more races (1.96%)
Native American (0.12%)
Asian (0.12%)
Other race (0.12%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,598 | 97.68% |
| Two or more races | 32 | 1.96% |
| Native American | 2 | 0.12% |
| Asian | 2 | 0.12% |
| Other race | 2 | 0.12% |
Married
Widowed
Divorced
Separated
Never Married
Mendon's average per capita income is $48,578. Household income levels show a median of $53,088. The poverty rate stands at 12.97%.
Name | Median | Mean |
|---|---|---|
| Married Families | $79,000 | - |
| Families | $75,750 | $87,875 |
| Households | $53,088 | $74,535 |
| Non Families | $41,429 | $58,703 |
Average Income
Median Household Income
Poverty Rate