Delaware is a city located in Delaware County, Iowa. Delaware has a 2025 population of 138 . Delaware is currently declining at a rate of -0.72% annually and its population has decreased by -1.43% since the most recent census, which recorded a population of 140 in 2020.
The average household income in Delaware is $75,518 with a poverty rate of 1.59%. The median age in Delaware is 54.9 years: 54.6 years for males, and 56.3 years for females. For every 100 females there are 80.0 males.
Data after 2023 is projected based on recent change
The racial composition of Delaware includes 85.71% White, 7.94% other race, and smaller percentages for and multiracial populations.
White (85.71%)
Other race (7.94%)
Two or more races (6.35%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 108 | 85.71% |
| Other race | 10 | 7.94% |
| Two or more races | 8 | 6.35% |
Married
Widowed
Divorced
Separated
Never Married
Delaware's average per capita income is $45,417. Household income levels show a median of $72,083. The poverty rate stands at 1.59%.
Name | Median | Mean |
|---|---|---|
| Married Families | $83,333 | - |
| Families | $74,250 | $85,794 |
| Households | $72,083 | $75,518 |
| Non Families | $68,750 | $63,400 |
Average Income
Median Household Income
Poverty Rate