Derby is a city located in Lucas County, Iowa. Derby has a 2026 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 median household income in Derby is $56,250 with a poverty rate of 35.45%. The median age in Derby is 41.8 years: 43.9 years for males, and 34.4 years for females. For every 100 females there are 66.7 males.
Data after 2023 is projected based on recent change
Overall: 41.8 years
Female: 34.4 years
Male: 43.9 years
There are 75 adults, (29 of whom are seniors) in Derby.
Female: 66 (60%)
Male: 44 (40%)
The racial composition of Derby includes 98.18% White, and smaller percentages for Two or more races and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 108 | 98.18% |
| Two or more races | 2 | 1.82% |
Derby 's average per capita income is $32,500. Household income levels show a median of $56,250. The poverty rate stands at 35.45%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $61,667 | - |
| Families | $60,417 | $62,900 |
| Households | $56,250 | $58,600 |
| Non Families | $45,000 | $46,130 |
Average Income
Median Household Income
Poverty Rate