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.

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)
White	358	93.72%
Two or more races	13	3.4%
Asian	7	1.83%
Other race	4	1.05%

Duncombe Marital Status

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