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Iowa ZIP Codes
Clinton County
Calamus, IA
52729
52729 ZIP Code — Calamus, IA
Clinton County, Iowa
ZIP code 52729 is located in
Calamus ,
Iowa ,
within Clinton County .
It covers approximately 39.66 square miles and serves a population of
914 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 563 .
About ZIP code 52729
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $148,000. Owner-occupancy is high at 87%, well above the national average.
Median household income is $78,750. The poverty rate of 2% is below the national average. 42% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.
College attainment at 15% is below the national average, consistent with a trades and production-oriented local economy.
Overall, ZIP code 52729 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.
52729 ZIP code map
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Cities in ZIP code 52729
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Nearby ZIP codes
Demographics
updated 08/2026
Population
Total population
914
Population density
23 / sq mi
State FIPS
19
County FIPS
045
Geography
Land area
39.66 sq mi
Water area
0.15 sq mi
Latitude
41.8001
Longitude
-90.7401
Timezone
Central (CT)
Area code
563
Economics
updated 08/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
28.5%
47.2%
40.1%
$50k – $100k
43.4%
33.0%
33.4%
$100k – $200k
26.2%
17.5%
21.5%
Over $200k
1.9%
2.2%
5.0%
Demographics & statistics
$78,750
Median household income
$148,000
Median home value
15.4%
Bachelor's or higher
Age distribution
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
Group Count % White 790 86.4% Asian 98 10.7% Two or more races 26 2.8%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
28.5%
47.2%
40.1%
$50k – $100k
43.4%
33.0%
33.4%
$100k – $200k
26.2%
17.5%
21.5%
Over $200k
1.9%
2.2%
5.0%
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
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
Some college, no degree
20.5%
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%
Arts, food & hospitality
10.7%
Finance & real estate
9.7%
Transportation & utilities
5.7%
Professional & management
4.2%
Public administration
3.6%
Agriculture & mining
1.9%
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% Work from home 17.9% Other means 3.2% Avg commute (minutes) 29.7
Poverty
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 % Obesity 40.4% High blood pressure 33.5% High cholesterol 34.9% Diabetes 10.1% 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 % Smoking 18.4% Binge drinking 21.5% No physical activity 24.0% Less than 7 hrs sleep 31.4% Depression 17.4% 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% No insurance 14.3% 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 about ZIP code 52729
What city is ZIP code 52729 in?
ZIP code 52729 is primarily assigned to Calamus, Iowa.
What county is ZIP code 52729 in?
ZIP code 52729 falls within Clinton County, Iowa.
Is ZIP code 52729 mostly owner-occupied?
87% of occupied units in ZIP code 52729 are owner-occupied, well above the national average.
Does ZIP code 52729 have a large retiree population?
42% of households in ZIP code 52729 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 52729 have a large veteran population?
11% of civilians in ZIP code 52729 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 52729?
The median home value in ZIP code 52729 is $148,000.
What timezone is ZIP code 52729 in?
ZIP code 52729 observes the CST timezone.
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