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CITY · 1990 CENSUS

Duncombe

Iowa · 482 residents · 1.96 sq mi
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The short version

With 482 people, Duncombe is a city in Iowa. Four-year degrees are less common here than nationally, at 5% of adults. The typical home is worth $30,000. Households here earn about 24% less than in Iowa as a whole. Renters pay $271 a month at the median. Median household income is $19,934, under the $30,130 national median.

At a glance
Lower income
below the US median
US median: $30,130
Younger
median age 30.2
US median: 33.0
Less educated
5% hold a bachelor's degree
US average: 20%
More affordable
home values down 9%, inflation adjusted
US median home: $93,722
Section 01

Population & growth

482
+2%vs 2000
vs 474 in 2000
1990 – 2025
30.2
−16%vs 2000
vs 35.8 in 2000
US average: 33.0
Land area
1.96 sq mi
Population, 19902024
26832638544350219902000201020202024Duncombe
2024376
1990201020202024
Age distribution, 1990
Under 59.1%(44)
US avg: 7.3%
5 to 910.2%(49)
US avg: 7.3%
10 to 148.3%(40)
US avg: 6.9%
15 to 196%(29)
US avg: 7.1%
20 to 246.8%(33)
US avg: 7.5%
25 to 3416%(77)
US avg: 17.5%
35 to 4415.1%(73)
US avg: 15.1%
45 to 547.1%(34)
US avg: 10.2%
55 to 646.8%(33)
US avg: 8.5%
65 to 749.1%(44)
US avg: 7.3%
75 to 845%(24)
US avg: 4%
85 and over0.4%(2)
US avg: 1.2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$19,934
−24%inflation adjusted, since 2000
vs $34,750 in 2000
US average: $30,130
1990 – 2024
$8,587
−42%vs 2000
vs $14,915 in 2000
US average: $14,340
15.4%
+7.7 ptsvs 2000
vs 7.7% in 2000
US average: 13.2%
Section 03

Housing

$30,000
−9%inflation adjusted, since 2000
vs $43,600 in 2000
US average: $93,722
1990 – 2024
$271
+23%inflation adjusted, since 2000
vs $290 in 2000
US average: $450
65.5%
−13.1 ptsvs 2000
vs 78.6% in 2000
34.5% rent
Section 04

Race & ethnicity

2000
White, non-Hispanic97.9%(464)
Black0%(0)
Hispanic / Latino0.6%(3)
Asian0.2%(1)
Other0%
1990
White, non-Hispanic99.6%(480)
Black0%(0)
Hispanic / Latino1.9%(9)
Asian0%(0)
Other0.4%(2)

No data for the years selected.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin
Mexican0.8%(3)
Asian origin
Chinese2.9%(11)
Ancestry
German20.5%(77)
Irish17.3%(65)
Norwegian16.2%(61)
English9.3%(35)
American5.6%(21)
Swedish5.6%(21)
Scottish1.9%(7)
Swiss1.9%(7)
French1.6%(6)
Dutch1.3%(5)
Italian1.1%(4)
Danish0.5%(2)
+ 4 more ancestry groups with data
Slovak0.5%(2)
British0.3%(1)
Czech0.3%(1)
Welsh0.3%(1)
Section 05

Education

5.2%
−4.3 ptsvs 2000
vs 9.5% in 2000
US average: 20.3%
High school or higher
66.9%
−16.8 ptsvs 2000
vs 83.7% in 2000
US average: 75.2%
0.0%
−2.9 ptsvs 2000
vs 2.9% in 2000
US average: 7.1%
Section 06

Commute & transportation

20.2 min
+71%vs 2000
vs 11.8 min in 2000
US average: 21.9
Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)
Men 15+
Never married46.1%(76)
Married43.6%(72)
Widowed4.2%(7)
Divorced6.1%(10)
Women 15+
Never married22.9%(33)
Married47.9%(69)
Widowed13.2%(19)
Divorced16%(23)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

2.9%
−6.0 ptssince 2013
from 8.9% in 2013
US average: 8.4%
54.8%
−4.7 ptssince 2020
from 59.5% in 2020
US average: 54.8%
Direct-purchase
16.5%
+2.7 ptssince 2020
from 13.8% in 2020
US average: 13.8%
24.7%
+1.8 ptssince 2020
from 22.9% in 2020
US average: 18.4%
21.0%
+4.3 ptssince 2020
from 16.7% in 2020
US average: 20.9%
VA health care
1.6%
−2.8 ptssince 2020
from 4.4% in 2020
US average: 2.2%
Any private
69.9%
−4.6 ptssince 2020
from 74.5% in 2020
US average: 67.1%
Any public
43.4%
+5.3 ptssince 2020
from 38.1% in 2020
US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024
Gulf War (2001 or later)18.2%(4)
US avg: 26.4%
Gulf War (1990s)9.1%(2)
US avg: 24.3%
Vietnam era63.6%(14)
US avg: 33.1%
Korean War27.3%(6)
US avg: 4.5%
World War II18.2%(4)
US avg: 1%

Share of the 22 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

BAR + DOT: THIS PLACE · TICK: US AVERAGE
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Frequently asked

How many people live in Duncombe, Iowa?

Duncombe, Iowa has about 482 residents according to the 1990 Census.

What is the median household income in Duncombe, Iowa?

The typical household in Duncombe, Iowa earns about $19,934 a year. Half of households make more than that, and half make less.

Is Duncombe, Iowa expensive?

In Duncombe, Iowa, the median home is worth about $30,000, and the typical rent is about $271 a month.

How educated are people in Duncombe, Iowa?

About 5.2% of adults age 25 and over in Duncombe, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Duncombe, Iowa?

About 15.4% of people in Duncombe, Iowa live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →