Delaware Flag

Delaware

County:
Delaware County
County Seat:
No
Area (mi²):
0.73
State:
Iowa

Delaware is a city located in Delaware County, Iowa. Delaware has a 2026 population of 138. Delaware is currently declining at a rate of 0% annually and its population has decreased by -1.43% since the most recent census, which recorded a population of 140 in 2020.

The median household income in Delaware is $78,750 with a poverty rate of 2.9%. The median age in Delaware is 55 years: 54.3 years for males, and 56.9 years for females. For every 100 females there are 100.0 males.

138
Total Population
189
Density (mi²)

Delaware Population

Delaware Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202613800%
2025138-1-0.72%
202413900%
2023139-1-0.71%
202214000%
202114000%
202014000%
2019151-1-0.66%
201815200%
2017152-2-1.3%
2016154-1-0.65%
201515500%
2014155-1-0.64%
2013156-1-0.64%
2012157-1-0.63%
2011158-1-0.63%
201015900%

Median Age

Overall: 55 years
Female: 56.9 years
Male: 54.3 years

Delaware Adults

There are 116 adults, (31 of whom are seniors) in Delaware.

Sex Ratio

Female: 69 (50%)
Male: 69 (50%)

Demographics

The racial composition of Delaware includes 81.16% White, 3.62% other race, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White11281.16%
Two or more races2115.22%
Other race53.62%
Race
Population ↓
Percentage (of total)
Other race53.62%
Race
Population ↓
Percentage (of total)
White11281.16%
Two or more races2115.22%

Delaware Marital Status

Economics and Income Statistics

Delaware 's average per capita income is $50,357. Household income levels show a median of $78,750. The poverty rate stands at 2.9%.

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$86,458-
Families$86,042$96,336
Households$78,750$81,531
Non Families$71,250$67,131

$50,357

Average Income

$78,750

Median Household Income

2.9%

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)