Derby Flag

Derby

County:
Lucas County
County Seat:
No
Area (mi²):
0.255
State:
Iowa

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. For every 100 females there are 68.3 males.

89
Total Population
349
Density (mi²)

Derby Population

Derby Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Derby includes 99.06% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

White (99.06%)

Two or more races (0.94%)

Race
Population
Percentage (of total)
White10599.06%
Two or more races10.94%

Derby Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

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%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$61,667-
Families$60,833$62,307
Households$58,750$58,334
Non Families-$42,443

$30,625

Average Income

$58,750

Median Household Income

33.96%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)