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, Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.
White
Two or more races
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
Race | Population | Percentage (of total) |
|---|---|---|
| White | 105 | 99.06% |
| Two or more races | 1 | 0.94% |
| Black or African American | 0 | 0% |
| Native American | 0 | 0% |
| Asian | 0 | 0% |
| Native Hawaiian or Pacific Islander | 0 | 0% |
| Other race | 0 | 0% |
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