Calamus ZIP Codes — Clinton County, IA

There is one unique ZIP code in Calamus, Iowa and it is 52729. Area code: 563.

ZIP codes

39.66

sq mi land

0.15

sq mi water

563

area code

Calamus, IA ZIP code map

About Calamus, IA

Calamus is a small yet charming city located within Clinton County, Iowa. Nestled in the Midwest, this community is known for its friendly atmosphere and a close-knit population. With a single ZIP code, 52729, it represents a unique slice of rural life in Iowa.

Location & geography

Calamus is conveniently positioned near several towns, including DeWitt, which is approximately 12 miles to the northwest, and Clinton, about 20 miles to the northeast. The city spans a land area of 39.66 square miles, complemented by a small water area of 0.15 square miles. This predominantly flat terrain is characteristic of the region, making it ideal for agriculture and outdoor activities.

Community & economy

The character of Calamus is deeply rooted in Midwestern values, fostering a strong sense of community among its residents. The local economy is primarily driven by agriculture and related industries, which have long been the backbone of the area. Daily life here revolves around local events, family gatherings, and the enjoyment of the serene landscape that Iowa offers.

Transportation

Calamus is accessible via several highways, with Highway 30 running nearby, providing vital connections to surrounding areas. For air travel, the nearest airport is the Clinton Municipal Airport, located approximately 20 miles away. Public transportation options are limited, but residents often rely on personal vehicles for their daily commutes.

History

Calamus was founded in the late 19th century and has its roots in agricultural development. Over the decades, the town has seen fluctuations in industry, with agriculture consistently remaining a key player in its economy. Notable events in Calamus include local fairs and celebrations that showcase the community's rich heritage.

Did you know?

A surprising fact about Calamus is that it is known for its vibrant agricultural fairs, which attract visitors from neighboring communities. Despite its small size, the town has a deep history that contributes to its unique charm and local culture.

ZIP codes for Calamus, IA (1)

ZIP code	City	County	Map
52729	Calamus	Clinton	View map

Demographics & statistics

914

Population

51.9

Median age

$78,750

Median household income

$37,147

Per capita income

$148,000

Median home value

$625

Median monthly rent

86.7%

Home ownership

2.3%

Poverty rate

0.8%

Unemployment

351

Housing units

15.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	178	19.5%
18 and over	736	80.5%
65 and over	202	22.1%
Median age	51.9 years

Race & ethnicity

White 86.4%

Asian 10.7%

Two or more races 2.8%

Group	Count	%
White	790	86.4%
Asian	98	10.7%
Two or more races	26	2.8%

Household income

Under $10k 2.9%

$10k–$15k 3.8%

$15k–$25k 3.2%

$25k–$35k 8.7%

$35k–$50k 6.4%

$50k–$75k 23.7%

$75k–$100k 11.3%

$100k–$150k 22.0%

$150k–$200k 10.4%

$200k+ 7.8%

Range	% of households
Under $10k	2.9%
$10k–$15k	3.8%
$15k–$25k	3.2%
$25k–$35k	8.7%
$35k–$50k	6.4%
$50k–$75k	23.7%
$75k–$100k	11.3%
$100k–$150k	22.0%
$150k–$200k	10.4%
$200k+	7.8%
Median income	$78,750

Housing

Home values

Under $50k 6.0%

$50k–$100k 17.7%

$100k–$150k 28.0%

$150k–$200k 17.0%

$200k–$300k 8.0%

$300k–$500k 21.7%

$500k–$1M 1.7%

Housing overview

Metric	Value
Median home value	$148,000
Median rent / month	$625
Owner occupied	86.7%
Renter occupied	13.3%
Vacant	12.8%
Single-family detached	88.7%
Large apartment buildings	0.0%
Mobile homes	8.3%
Median rooms	5.7
Avg household size (owned)	2.79

Year built

Era	%
2020 or later	0.0%
2010–2019	2.3%
2000–2009	11.8%
1990–1999	6.5%
1980–1989	8.3%
1970–1979	8.6%
1960–1969	10.8%
1950–1959	9.3%
1940–1949	7.3%
1939 or earlier	35.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	5.5%
2 bedrooms	33.0%
3 bedrooms	39.5%
4 bedrooms	17.4%
5+ bedrooms	4.5%

Vehicles per household

Vehicles	% of households
No vehicle	1.2%
1 vehicle	13.9%
2 vehicles	41.3%
3 or more	43.6%

Heating fuel

Fuel type	%
Utility gas	38.4%
Electricity	6.4%
Propane / LP gas	43.1%
Fuel oil	0.6%
Wood	5.8%
Solar	0.3%
No fuel used	1.4%

Households & families

Household type	Count	%
Married-couple family	221	63.9%
Cohabiting couple	5	1.4%
Male householder, no spouse	74	21.4%
Female householder, no spouse	46	13.3%
Households with children under 18	70	20.2%
Households with seniors (65+)	147	42.5%
Average household size	2.64

Marital status

Status	Male	Female
Never married	35.7%	6.8%
Married	50.8%	67.1%
Separated	1.0%	7.6%
Widowed	5.1%	7.3%
Divorced	7.5%	11.1%

Education

Less than 9th grade 0.0%

Some HS, no diploma 3.0%

HS graduate 47.0%

Some college, no degree 20.5%

Associate's degree 14.1%

Bachelor's degree 9.0%

Graduate / professional 6.4%

Metric	%
HS diploma or higher	97.0%
Bachelor's or higher	15.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	1	0.5%
Kindergarten	11	5.8%
Elementary school	96	50.8%
High school	74	39.2%
College / grad school	7	3.7%

Employment

Industry of employment

Education & healthcare 17.0%

Manufacturing 16.4%

Other services 14.1%

Arts, food & hospitality 10.7%

Finance & real estate 9.7%

Construction 9.0%

Transportation & utilities 5.7%

Retail trade 5.5%

Professional & management 4.2%

Public administration 3.6%

Agriculture & mining 1.9%

Information 1.3%

Wholesale trade 1.1%

Occupation

Category	%
Management, business & arts	30.7%
Service	19.1%
Sales & office	17.6%
Natural resources & construction	11.1%
Production & transportation	21.4%

Employment type

Type	%
Private sector	74.6%
Government	10.9%
Self-employed	14.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	69.5%
Carpool	6.5%
Public transit	0.0%
Walk	2.8%
Other means	3.2%
Avg commute (minutes)	29.7

Poverty

All people 2.3%

Under 18 years 3.0%

18 and over 2.2%

Married-couple families 0.0%

Female-led households 5.9%

Income support

Source	% of households
Social Security	41.9%
Retirement income	35.8%
Supplemental Security	3.5%
Cash public assistance	0.6%
Food stamps / SNAP	3.5%

Health indicators

Condition	%
High blood pressure	33.5%
High cholesterol	34.9%
Heart disease	6.8%
Stroke	3.0%
Asthma	9.8%
Arthritis	24.6%
Kidney disease	2.9%
Pulmonary disease	7.2%
Cancer	7.0%

Behavior / access	%
Binge drinking	21.5%
No physical activity	24.0%
Less than 7 hrs sleep	31.4%
Fair or poor health	13.2%
Poor mental health	13.6%
Poor physical health	10.0%
No health insurance	9.3%
Visited doctor (checkup)	76.0%
Visited dentist	65.2%
Cholesterol screening	89.0%
Teeth loss	12.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	78	10.6%

Disability	%
Any disability	5.1%
Under 18	0.0%
18–64 years	3.4%
65 and over	14.4%

Health insurance coverage

Type	%
Private insurance	76.1%
Public insurance	29.0%
Uninsured under 19	7.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	889	97.3%
Spanish	98	11.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	98	11.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	797	87.2%
Born in same state	797	87.2%
Born in different state	625	68.4%
Foreign born	0	0.0%
Naturalized citizen	117	12.8%
Not a US citizen	43	36.8%

Ancestry

Ancestry	Count	%
French	56	6.1%
Italian	54	5.9%
Polish	35	3.8%
English	23	2.5%

Ancestry	Count	%
Arab	13	1.4%
German	5	0.5%
Dutch	3	0.3%

Technology access

Metric	% of households
Computer access	37.9%
Internet access	90.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Calamus, IA have?

Calamus, IA has one ZIP code: 52729. Each ZIP code serves a distinct delivery area within the city and surrounding region.