Duncombe, Iowa Population 2024

367

Duncombe Demographics

According to the most recent ACS, the racial composition of Duncombe was:

  • White: 93.72%
  • Two or more races: 3.4%
  • Asian: 1.83%
  • Other race: 1.05%
  • Black or African American: 0%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
State
Iowa
Land Area (mi²)
2.0 sq mi
Density (mi²)
187.0/sq mi
Growth Since 2020
-3.17% (-12)
The current population of Duncombe, Iowa is 367 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 379.

Population by Race

Race
Population
Percentage (of total)
White35893.72%
Two or more races133.4%
Asian71.83%
Other race41.05%
Black or African American00%
Native American00%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Asian

Other race

Black or African American

Native American

Native Hawaiian or Pacific Islander

Duncombe Population by Race

Duncombe Population Pyramid 2024

Duncombe Median Age

29.2

Total

25.4

Male

46.4

Female

Duncombe Adults

There are 303 adults, (69 of whom are seniors) in Duncombe.

Duncombe Age Dependency

63.2

Age Dependency Ratio

29.5

Old Age Dependency Ratio

33.8

Child Dependency Ratio

Duncombe Sex Ratio

Female17445.55%
Male20854.45%

Duncombe Population by Age

Duncombe Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1772.1657.142.9
Non Family1001.394258
Married663.2175.824.2
Female92.4488.911.1
Male24.55050

3.1

Average Family Size

2.16

Average Household Size

57.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Duncombe Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade135.58%
Associates Degree4619.74%
Bachelors Degree219.01%
Graduate Degree00%
High School Graduate8436.05%
Less Than 9th Grade104.29%
Some College5925.32%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Duncombe Educational Attainment by Sex (over 25)

Duncombe Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White21720218
2+ Races761
Asian700
Hispanic333
Other Race222

The highest rate of high school graduation is among other race people with a rate of 100%.

The highest rate of bachelors degrees is among other race people with a rate of 100%.

Duncombe Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$0$0$35,833
Graduate Degree$0$0$0
High School Graduate$0$0$18,500
Less Than 9th Grade$86,250$100,250$0
Overall$50,313$62,750$35,250
Some College$55,625$62,143$36,607

$50,313

Average Earnings

$62,750

Average Male

$35,250

Average Female

Duncombe Earnings by Educational Attainment

Duncombe Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Duncombe Language

96.09% of Duncombe residents speak only English, while 3.91% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 1.96% of the population.

Duncombe Language

Duncombe Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White358236.42%
Hispanic33100%
Other22100%
Multiple1317.69%

6.84%

Overall Poverty Rate

3.4%

Male Poverty Rate

10.92%

Female Poverty Rate

Poverty in Duncombe

The race most likely to be in poverty in Duncombe is Other, with 100% below the poverty level.

The race least likely to be in poverty in Duncombe is White, with 6.42% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 8.33%, and for those that did not work, the poverty rate was 22.34%.

Duncombe Poverty

rate

Rate
Poverty
High School15.48%
Bachelors or Greater14.29%
Some College7.62%
Less Than 9th Grade0%

Duncombe Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed20%
Female Employed2.67%
Male Employed2.36%
Female Unemployed0%

Duncombe Poverty Rate by Employment Status and Sex

Duncombe Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$72,344$80,283
Households$63,125$65,761
Married Families$80,000$-999,999,999
Non Families$45,833$54,123

mean

median

Income by Household Type

Duncombe Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

43.9%

Overall Marriage Rate

42.3%

Male Marriage Rate

46.0%

Female Marriage Rate

Duncombe Married by Age and Sex

male

female

Duncombe Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 20-34.

Duncombe Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Duncombe Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

17

Number of Veterans

17

Male Veterans

0

Female Veterans

War
Veterans
Vietnam8
Second Gulf War5
Korea4
First Gulf War3
World War II3

Duncombe Veterans by War

count

Age Group
Veterans
65 to 745
75+5
35 to 543
18 to 342
55 to 642

Duncombe Veterans by Age

count

Name
Veterans
% of Total
White175.96%

Duncombe Veterans by Race

Duncombe Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.88%

Veteran Poverty Rate

58.82%

Veteran Disability Rate

Duncombe Veterans by Education

LaborForceParticipation

69.8%

Labor Force Participation

65%

Employment Rate

6.9%

Unemployment Rate

Duncombe Employment by Age

LaborForceParticipation

Duncombe Employment by Race

LaborForceParticipation

Duncombe Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

83.25%

Born in Duncombe

97.12%

Native Born

2.88%

Foreign Born

1.05%

Non Citizen

1.83%

Naturalized

Place of Birth

97.12% of Duncombe residents were born in the United States, with 83.25% having been born in Iowa. 1.05% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Duncombe Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029352-3-0.85%
2028355-3-0.84%
2027358-3-0.83%
2026361-3-0.82%
2025364-3-0.82%
2024367-3-0.81%
2023370-2-0.54%
2022372-4-1.06%
2021376-3-0.79%
2020379-7-1.81%
2019386-5-1.28%
2018391-4-1.01%
2017395-4-1%
2016399-3-0.75%
201540230.75%
2014399-4-0.99%
2013403-1-0.25%
2012404-2-0.49%
2011406-5-1.22%
201041100%

Duncombe Population by Year