Washburn Flag

Washburn

County Seat:
No
Area (mi²):
1.236
State:
Iowa

Washburn is a CDP located in Black Hawk County, Iowa. Washburn has a 2026 population of 608. Washburn is currently declining at a rate of -2.56% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Washburn is $61,406 with a poverty rate of 2.66%. The median age in Washburn is 31.8 years: 35.6 years for males, and 29.6 years for females. For every 100 females there are 80.3 males.

608
Total Population
492
Density (mi²)
-16 -2.56%
Growth

Washburn Population

Washburn Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026608-16-2.56%
2025624-17-2.65%

Median Age

Overall: 31.8 years
Female: 29.6 years
Male: 35.6 years

Washburn Adults

There are 504 adults, (99 of whom are seniors) in Washburn.

Sex Ratio

Female: 396 (55.5%)
Male: 318 (44.5%)

Demographics

The racial composition of Washburn includes 89.92% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White64289.92%
Two or more races618.54%
Black or African American111.54%
Race
Population ↓
Percentage (of total)
Two or more races111.54%
Race
Population ↓
Percentage (of total)
White64289.92%
Two or more races507%
Black or African American111.54%

Washburn Marital Status

Economics and Income Statistics

Washburn 's average per capita income is $42,167. Household income levels show a median of $61,406. The poverty rate stands at 2.66%.

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$79,861-
Families$75,221$95,302
Households$61,406$88,094
Non Families$34,750$48,037

$42,167

Average Income

$61,406

Median Household Income

2.66%

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)