Derby is a city located in Lucas County, Iowa. Derby has a 2025 population of 89. Derby is currently declining at a rate of 0% annually and its population has increased by 1.14% since the most recent census, which recorded a population of 88 in 2020.
The average household income in Derby is $58,334 with a poverty rate of 33.96%.The median age in Derby is 38.8 years: 43.8 years for males, and 16.5 years for females.
Data after 2023 is projected based on recent change
The racial composition of Derby includes 99.06% White, and smaller percentages for Two or more races and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 105 | 99.06% |
| Two or more races | 1 | 0.94% |
Married
Widowed
Divorced
Separated
Never Married
Derby's average per capita income is $30,625. Household income levels show a median of $58,750. The poverty rate stands at 33.96%.
Name | Median | Mean |
|---|---|---|
| Married Families | $61,667 | - |
| Families | $60,833 | $62,307 |
| Households | $58,750 | $58,334 |
| Non Families | - | $42,443 |
Average Income
Median Household Income
Poverty Rate