Duncombe is a city located in Hamilton County and Webster County Iowa. Duncombe has a 2024 population of 367. Duncombe is currently declining at a rate of -0.81% annually and its population has decreased by -3.67% since the most recent census, which recorded a population of 381 in 2020.
The average household income in Duncombe is $63,228 with a poverty rate of 8.56%. The median age in Duncombe is 38.8 years: 26.7 years for males, and 47.3 years for females.
According to the most recent ACS, the racial composition of Duncombe was:
White
Asian
Two or more races
Black or African American
Native American
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 167 | 2.17 | 59.9 | 40.1 |
| Non Family | 90 | 1.36 | 42.2 | 57.8 |
| Married | 69 | 3.14 | 79.7 | 20.3 |
| Female | 6 | 2.83 | 100 | 0 |
| Male | 2 | 3 | 50 | 50 |
3.09
Average Family Size
2.17
Average Household Size
59.9%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
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%.
All
Male
Female
$52,917
Average Earnings
$61,563
Average Male
$33,375
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
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.
rate
8.56%
Overall Poverty Rate
3.13%
Male Poverty Rate
14.71%
Female Poverty Rate
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%.
Married
Widowed
Divorced
Separated
NeverMarried
49.0%
Overall Marriage Rate
47.9%
Male Marriage Rate
50.4%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
9.09%
Veteran Poverty Rate
63.64%
Veteran Disability Rate
LaborForceParticipation
65.5%
Labor Force Participation
62.2%
Employment Rate
5%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
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
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.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 349 | -4 | -1.13% |
| 2028 | 353 | -3 | -0.84% |
| 2027 | 356 | -4 | -1.11% |
| 2026 | 360 | -3 | -0.83% |
| 2025 | 363 | -4 | -1.09% |
| 2024 | 367 | -3 | -0.81% |
| 2023 | 370 | -4 | -1.07% |
| 2022 | 374 | -4 | -1.06% |
| 2021 | 378 | -3 | -0.79% |
| 2020 | 381 | -5 | -1.3% |
| 2019 | 386 | -5 | -1.28% |
| 2018 | 391 | -4 | -1.01% |
| 2017 | 395 | -4 | -1% |
| 2016 | 399 | -3 | -0.75% |
| 2015 | 402 | 3 | 0.75% |
| 2014 | 399 | -4 | -0.99% |
| 2013 | 403 | -1 | -0.25% |
| 2012 | 404 | -2 | -0.49% |
| 2011 | 406 | -5 | -1.22% |
| 2010 | 411 | 0 | 0% |