Duncombe Flag

Duncombe

County:
Webster County
County Seat:
No
Area (mi²):
1.963
State:
Iowa

Duncombe is a city located in Webster County, Iowa. Duncombe has a 2025 population of 364. Duncombe is currently declining at a rate of -0.82% annually and its population has decreased by -3.96% since the most recent census, which recorded a population of 379 in 2020.

The average household income in Duncombe is $65,761 with a poverty rate of 6.84%.The median age in Duncombe is 29.2 years: 25.4 years for males, and 46.4 years for females.

364
Total Population
185
Density (mi²)
-3 -0.82%
Growth

Duncombe Population

Duncombe Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Duncombe includes 93.72% White, and smaller percentages for Asian, other race and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White35893.72%
Two or more races133.4%
Asian71.83%
Other race41.05%

Duncombe Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Duncombe's average per capita income is $50,313. Household income levels show a median of $63,125. The poverty rate stands at 6.84%.

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$80,000-
Families$72,344$80,283
Households$63,125$65,761
Non Families$45,833$54,123

$50,313

Average Income

$63,125

Median Household Income

6.84%

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)