Barnum vs Duncombe

A side-by-side comparison of Barnum and Duncombe: population, income, housing, and more.

Barnum and Duncombe are places in Iowa. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Duncombe has the higher population (382 vs 279 in Barnum). Barnum has the higher median household income ($83,580 vs $63,125 in Duncombe). Barnum has the higher median home value ($132,500 vs $108,200 in Duncombe).

Population, income & housing

	Barnum	Duncombe
Population	279	382
Median age	27.1 yrs	29.2 yrs
Median household income	$83,580	$63,125
Median home value	$132,500	$108,200
Median gross rent	$495	$542
Housing units	115	187
Homeownership rate	91.6%	57.1%
Bachelor's degree or higher	2.0%	9.0%
Unemployment rate	3.9%	6.9%

Trends (ACS 5-year, 2019–2023)

	Barnum	Duncombe
Population	246 → 279 (+13.4%)	309 → 382 (+23.6%)
Median household income	$40,938 → $83,580 (+104.2%)	$47,083 → $63,125 (+34.1%)
Median home value	$82,700 → $132,500 (+60.2%)	$69,100 → $108,200 (+56.6%)
Median gross rent	$446 → $495 (+11.0%)	$480 → $542 (+12.9%)

Barnum

Population

246279

Median household income

$40,938$83,580

Median home value

$82,700$132,500

Median gross rent

$446$495

Duncombe

Population

309382

Median household income

$47,083$63,125

Median home value

$69,100$108,200

Median gross rent

$480$542

Age & race/ethnicity

Age distribution (share)

	Barnum	Duncombe
Under 5	14.7%	6.3%
5 to 17	28.0%	14.4%
18 to 24	3.9%	18.3%
25 to 34	18.3%	17.8%
35 to 44	2.9%	3.9%
45 to 54	18.3%	7.9%
55 to 64	5.7%	13.4%
65 to 74	7.2%	8.4%
75 and over	1.1%	9.7%

Race & ethnicity (share)

	Barnum	Duncombe
White (non-Hispanic)	94.3%	93.7%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	1.8%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	5.4%	3.1%
Hispanic or Latino	0.4%	1.3%

Educational attainment (age 25+)

Share of adults 25+

	Barnum	Duncombe
No high school diploma	7.4%	9.9%
High school graduate	30.2%	36.1%
Some college or associate's	60.4%	45.1%
Bachelor's degree	2.0%	9.0%
Graduate or professional degree	0.0%	0.0%

Commute to work

How workers get to work (share)

	Barnum	Duncombe
Drove alone	83.1%	91.5%
Carpooled	6.5%	8.5%
Public transit	0.0%	0.0%
Walked	4.8%	0.0%
Bicycle	0.0%	0.0%
Worked from home	2.4%	0.0%
Other means	3.2%	0.0%

Housing

Units in structure (share)

	Barnum	Duncombe
1-unit, detached	93.0%	72.7%
1-unit, attached	0.0%	0.0%
2 to 4 units	0.0%	6.4%
5 to 19 units	6.1%	19.3%
20 or more units	0.0%	0.0%
Mobile home & other	0.9%	1.6%

Poverty & households

	Barnum	Duncombe
Poverty rate	11.5%	6.8%
Average household size	2.61	2.16
Mean commute (minutes)	17	21
Median year structure built	1984	1969