Calamus vs Grand Mound

A side-by-side comparison of Calamus and Grand Mound: population, income, housing, and more.

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

Grand Mound has the higher population (554 vs 405 in Calamus). Grand Mound has the higher median household income ($84,286 vs $66,250 in Calamus). Grand Mound has the higher median home value ($150,500 vs $123,000 in Calamus).

Population, income & housing

	Calamus	Grand Mound
Population	405	554
Median age	41.1 yrs	33.7 yrs
Median household income	$66,250	$84,286
Median home value	$123,000	$150,500
Median gross rent	$625	$733
Housing units	168	223
Homeownership rate	91.7%	80.1%
Bachelor's degree or higher	18.2%	18.9%
Unemployment rate	1.1%	4.2%

Trends (ACS 5-year, 2019–2023)

	Calamus	Grand Mound
Population	426 → 405 (-4.9%)	628 → 554 (-11.8%)
Median household income	$58,333 → $66,250 (+13.6%)	$67,750 → $84,286 (+24.4%)
Median home value	$91,400 → $123,000 (+34.6%)	$116,700 → $150,500 (+29.0%)
Median gross rent	$618 → $625 (+1.1%)	$750 → $733 (-2.3%)

Calamus

Population

426405

Median household income

$58,333$66,250

Median home value

$91,400$123,000

Median gross rent

$618$625

Grand Mound

Population

628554

Median household income

$67,750$84,286

Median home value

$116,700$150,500

Median gross rent

$750$733

Age & race/ethnicity

Age distribution (share)

	Calamus	Grand Mound
Under 5	1.5%	9.7%
5 to 17	24.7%	19.7%
18 to 24	5.9%	5.6%
25 to 34	9.4%	17.5%
35 to 44	16.3%	8.7%
45 to 54	7.2%	7.6%
55 to 64	11.1%	13.5%
65 to 74	14.1%	10.3%
75 and over	9.9%	7.4%

Race & ethnicity (share)

	Calamus	Grand Mound
White (non-Hispanic)	92.6%	92.4%
Black or African American	0.0%	0.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.0%	0.0%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.0%
Two or more races	5.7%	2.7%
Hispanic or Latino	1.7%	4.9%

Educational attainment (age 25+)

Share of adults 25+

	Calamus	Grand Mound
No high school diploma	2.9%	4.2%
High school graduate	40.0%	35.8%
Some college or associate's	38.9%	41.1%
Bachelor's degree	14.5%	14.2%
Graduate or professional degree	3.6%	4.7%

Commute to work

How workers get to work (share)

	Calamus	Grand Mound
Drove alone	85.6%	79.3%
Carpooled	5.6%	11.4%
Public transit	0.0%	2.0%
Walked	2.2%	2.8%
Bicycle	1.7%	0.0%
Worked from home	4.4%	4.5%
Other means	0.6%	0.0%

Housing

Units in structure (share)

	Calamus	Grand Mound
1-unit, detached	88.1%	87.4%
1-unit, attached	0.0%	2.2%
2 to 4 units	5.4%	6.7%
5 to 19 units	0.0%	3.6%
20 or more units	0.0%	0.0%
Mobile home & other	6.5%	0.0%

Poverty & households

	Calamus	Grand Mound
Poverty rate	3.6%	12.1%
Average household size	2.41	2.56
Mean commute (minutes)	37	23
Median year structure built	1949	1948