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CITY

Calamus

Iowa · 346 residents (2025 est.) · 0.493 sq mi
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The short version

Calamus has lower-than-average household income, with a median household income of $68,250. Population has held roughly steady since 2000. 19% of adults hold a bachelor's degree or higher, below the national rate of 36%. Median home value has more than doubled since 2000, reaching $148,100. Poverty is rare here, at 2.9% of residents.

At a glance
Lower income
below the US median
US median: $82,259
Mid-age
median age 39.3
US median: 38.9
Less educated
19% hold a bachelor's degree
US average: 36%
Less affordable
home values up 35%, inflation adjusted
US median home: $376,019
Section 01

Population & growth

Total population
417
+6%since 2000
from 394 in 2000
1990 – 2025
Population density
846 / sq mi
−3%since 2009
from 868 / sq mi in 2009
US average: 281
Median age
39.3
+5%since 2000
from 37.5 in 2000
US average: 38.9

PEP 2025 EST:346 residents (Census Bureau Vintage 2025, released March 2026)

Population, 1990 – 2024
3443713974234501990201020202024Calamus
2024417
1990201020202024
Age distribution, 2024
Under 51.4%(6)
US avg: 5.6%
5 to 97%(29)
US avg: 6%
10 to 1411%(46)
US avg: 6.4%
15 to 199.1%(38)
US avg: 6.6%
20 to 243.8%(16)
US avg: 6.5%
25 to 3410.3%(43)
US avg: 13.7%
35 to 4416.3%(68)
US avg: 13.2%
45 to 547%(29)
US avg: 12.2%
55 to 6411%(46)
US avg: 12.7%
65 to 7412.2%(51)
US avg: 10.2%
75 to 847.4%(31)
US avg: 5.1%
85 and over3.4%(14)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

Median household income
$68,250
−2%inflation adjusted, since 2000
from $38,214 in 2000
US average: $82,259
1990 – 2024
Per capita income
$30,440
+99%since 2000
from $15,306 in 2000
US average: $44,673
Households earning $100K+
43.3%
+14.9 ptssince 2009
from 28.4% in 2009
US average: 53.3%
Poverty rate
2.9%
−6.3 ptssince 2000
from 9.2% in 2000
US average: 12.5%
Income inequality (Gini)
0.294
−35%since 2010
from 0.449 in 2010
US average: 0.476
Workforce by industry, 2024
Retail trade15%
US avg: 9.9%
Wholesale trade9.5%
US avg: 6.9%
Finance & insurance9.5%
US avg: 5.9%
Professional, scientific, technical8.5%
US avg: 5.1%
Other services6.5%
US avg: 6.7%
Information6%
US avg: 10.8%
Public administration6%
US avg: 4.8%
Agriculture, forestry, fishing2.5%
US avg: 1.6%
Construction2.5%
US avg: 1.2%
Education & health services1%
US avg: 0.9%
Transportation & warehousing0.5%
US avg: 2.2%
Manufacturing0%
US avg: 0.4%
Arts, entertainment, food0%
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

Median home value
$148,100
+35%inflation adjusted, since 2000
from $60,000 in 2000
US average: $376,019
1990 – 2024
Median gross rent
$641
−14%inflation adjusted, since 2000
from $408 in 2000
US average: $1,442
Owner-occupied
91.2%
+4.9 ptssince 2000
from 86.3% in 2000
8.8% rent
Vacancy rate
2.3%
+1.1 ptssince 2009
from 1.2% in 2009
US average: 10.0%
Owner cost-burdened
14.7%
−2.3 ptssince 2009
from 17.0% in 2009
US average: 22.9%
Renter cost-burdened
20.0%
+11.2 ptssince 2009
from 8.8% in 2009
US average: 47.4%
Afford Score
2.2
+12%since 2009
from 1.9 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
Gentrification Score
36
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Calamus on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic98.5%(388)
Black0%(0)
Hispanic / Latino0.8%(3)
Asian0%(0)
Other0%
2024
White, non-Hispanic93.5%(390)
Black0%(0)
Hispanic / Latino0.7%(3)
Asian0%(0)
Other5.8%(24)
Diversity Score
15
+341%since 2009
from 3 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican0.7%(3)
Ancestry
German60.4%(252)
Irish10.1%(42)
English9.1%(38)
American5.5%(23)
Belgian4.1%(17)
Dutch3.1%(13)
Norwegian2.2%(9)
Finnish1.7%(7)
French1.7%(7)
Czech1.2%(5)
Italian1.2%(5)
+ 4 more ancestry groups with data
Swedish1.2%(5)
Danish0.5%(2)
British0.2%(1)
Scottish0.2%(1)
RANKED:Largest German population · Largest Irish population · Largest English population · Largest American population · Largest Belgian population
Section 05

Education

Bachelor's degree or higher
18.8%
+10.7 ptssince 2000
from 8.1% in 2000
US average: 35.6%
High school or higher
97.5%
+9.7 ptssince 2000
from 87.8% in 2000
US average: 89.6%
Graduate degree
2.5%
−0.8 ptssince 2000
from 3.3% in 2000
US average: 14.0%
Section 06

Commute & transportation

Average commute
38.2 min
+97%since 2000
from 19.4 min in 2000
US average: 26.5
Drive alone to work
84.1%
+3.7 ptssince 2009
from 80.4% in 2009
US average: 68.9%
Carpooled to work
4.6%
−5.7 ptssince 2009
from 10.3% in 2009
US average: 8.5%
Public transit
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 3.2%
Worked from home
5.6%
+4.2 ptssince 2009
from 1.5% in 2009
US average: 15.0%
Walked to work
2.1%
−5.8 ptssince 2009
from 7.8% in 2009
US average: 2.4%
Biked to work
2.6%
+2.6 ptssince 2009
from 0.0% in 2009
US average: 0.4%
No vehicle available
1.8%
Unchangedsince 2009
from 1.8% in 2009
US average: 8.3%
Section 07

Work & employment

Unemployment rate
1.5%
+0.5 ptssince 2011
from 1.0% in 2011
US average: 5.2%
Labor force participation
61.3%
−2.2 ptssince 2011
from 63.6% in 2011
US average: 63.5%
Self-employed
15.0%
+4.7 ptssince 2009
from 10.3% in 2009
US average: 13.1%
Management & professional
29.5%
−30.1 ptssince 2009
from 59.6% in 2009
US average: 42.5%
Section 08

People & community

Male
51.6%
+6.5 ptssince 2009
from 45.1% in 2009
Female
48.4%
−6.5 ptssince 2009
from 54.9% in 2009
Foreign born
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 14.1%
Veterans
9.9%
−37.1 ptssince 2009
from 47.0% in 2009
US average: 6.2%
With a disability
9.1%
−1.8 ptssince 2012
from 10.9% in 2012
US average: 13.3%
Uninsured
4.3%
−91.5 ptssince 2013
from 95.8% in 2013
US average: 8.4%
Broadband at home
94.2%
+24.6 ptssince 2017
from 69.6% in 2017
US average: 91.0%
English only at home
99.5%
−0.2 ptssince 2016
from 99.7% in 2016
US average: 77.7%
Spanish at home
0.5%
+0.2 ptssince 2016
from 0.3% in 2016
US average: 13.6%
Marital status
Men 15+
Never married31.8%(57)
Married52.5%(94)
Widowed7.8%(14)
Divorced7.8%(14)
Women 15+
Never married15.3%(24)
Married59.2%(93)
Widowed8.9%(14)
Divorced16.6%(26)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Compare Calamus to nearby cities

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CALAMUS VS
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CALAMUS VS
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CALAMUS VS
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Frequently asked

How many people live in Calamus, Iowa?

Calamus, Iowa has about 417 residents according to the 2024 American Community Survey.

What is the median household income in Calamus, Iowa?

The typical household in Calamus, Iowa earns about $68,250 a year. Half of households make more than that, and half make less.

Is Calamus, Iowa expensive?

In Calamus, Iowa, the median home is worth about $148,100, and the typical rent is about $641 a month.

How educated are people in Calamus, Iowa?

About 18.8% of adults age 25 and over in Calamus, Iowa hold a bachelor's degree or higher.

What is the poverty rate in Calamus, Iowa?

About 2.9% of people in Calamus, Iowa live below the federal poverty line.

Has Calamus, Iowa grown since 1990?

Yes, Calamus, Iowa has grown since 1990. The population has added about 33 residents, a change of about 9 percent over that period.

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

How we source and harmonize this data →

Calamus, Iowa: demographics, income & housing data · CensusEasy