Duncombe, Iowa Population 2024

367

Duncombe Demographics

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

  • White: 92.27%
  • Asian: 3.87%
  • Two or more races: 2.76%
  • Black or African American: 1.1%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 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)
White33492.27%
Asian143.87%
Two or more races102.76%
Black or African American41.1%
Native American00%
Native Hawaiian or Pacific Islander00%
Other race00%

White

Asian

Two or more races

Black or African American

Native American

Native Hawaiian or Pacific Islander

Other race

Duncombe Population by Race

Duncombe Population Pyramid 2024

Duncombe Median Age

38.8

Total

26.7

Male

47.3

Female

Duncombe Adults

There are 299 adults, (82 of whom are seniors) in Duncombe.

Duncombe Age Dependency

66.8

Age Dependency Ratio

37.8

Old Age Dependency Ratio

29

Child Dependency Ratio

Duncombe Sex Ratio

Female17046.96%
Male19253.04%

Duncombe Population by Age

Duncombe Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1672.1759.940.1
Non Family901.3642.257.8
Married693.1479.720.3
Female62.831000
Male235050

3.09

Average Family Size

2.17

Average Household Size

59.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Duncombe Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade156.28%
Associates Degree4920.5%
Bachelors Degree177.11%
Graduate Degree00%
High School Graduate9037.66%
Less Than 9th Grade177.11%
Some College5121.34%

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
White21119517
Asian1400
2+ Races870
Black440
Hispanic210

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

The highest rate of bachelors degrees is among white people with a rate of 8.06%.

Duncombe Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$0$0$33,125
Graduate Degree$0$0$0
High School Graduate$0$61,250$15,750
Less Than 9th Grade$81,250$95,250$0
Overall$52,917$61,563$33,375
Some College$58,333$59,750$45,625

$52,917

Average Earnings

$61,563

Average Male

$33,375

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

94.2% of Duncombe residents speak only English, while 5.8% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 4.06% of the population.

Duncombe Language

Duncombe Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White332298.73%
Hispanic22100%

8.56%

Overall Poverty Rate

3.13%

Male Poverty Rate

14.71%

Female Poverty Rate

Poverty in Duncombe

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

The race least likely to be in poverty in Duncombe is White, with 8.73% 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 8.47%, and for those that did not work, the poverty rate was 26.26%.

Duncombe Poverty

rate

Rate
Poverty
High School16.67%
Some College15%
Less Than 9th Grade3.13%
Bachelors or Greater0%

Duncombe Poverty Rate by Education

rate

Rate
Poverty
Female Employed5.63%
Male Employed0.85%
Male Unemployed0%
Female Unemployed0%

Duncombe Poverty Rate by Employment Status and Sex

Duncombe Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$76,250$79,314
Households$58,438$63,228
Married Families$79,063$-999,999,999
Non Families$42,813$49,129

mean

median

Income by Household Type

Duncombe Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

49.0%

Overall Marriage Rate

47.9%

Male Marriage Rate

50.4%

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 35-44.

Duncombe Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Duncombe Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

22

Number of Veterans

22

Male Veterans

0

Female Veterans

War
Veterans
Vietnam12
Second Gulf War6
First Gulf War4
Korea4
World War II3

Duncombe Veterans by War

count

Age Group
Veterans
65 to 748
75+6
18 to 343
35 to 543
55 to 642

Duncombe Veterans by Age

count

Name
Veterans
% of Total
White228.12%

Duncombe Veterans by Race

Duncombe Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

9.09%

Veteran Poverty Rate

63.64%

Veteran Disability Rate

Duncombe Veterans by Education

LaborForceParticipation

65.5%

Labor Force Participation

62.2%

Employment Rate

5%

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

82.32%

Born in Duncombe

95.03%

Native Born

4.97%

Foreign Born

1.1%

Non Citizen

3.87%

Naturalized

Place of Birth

95.03% of Duncombe residents were born in the United States, with 82.32% having been born in Iowa. 1.1% 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