Postal Codes

52729 ZIP Code

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ZIP code 52729 covers Calamus, Iowa, with a population of about 834 and a median household income of $93,750.

Population
83421 per square mile
Median age
5112.3 points above the US average
Median household income
$93,7501.3× the Iowa median
Poverty rate
3.3%9.1 points below the US average
Typical home value
$229,777up 25.6% in five years
Median rent
$63833% below the Iowa median
Degree or higher
16.1%18.9 points below the US average
Homeownership
91%26 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
24

Where 52729 is

Calamus, Iowa — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population834
Median age51
Family households71.6%
Born outside the US8.5%
Speaks a language other than English at home8.9%
White (non-Hispanic)83.8%
Black (non-Hispanic)0%
Asian (non-Hispanic)8.5%
Hispanic or Latino4.9%
Veterans11.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$93,750
Income per person$40,399
Poverty rate3.3%
Households on SNAP or cash assistance4%

Household income distribution

Under $10k2.5%
$10–15k4.3%
$15–20k1.5%
$20–25k1.9%
$25–30k2.5%
$30–35k1.9%
$35–40k4.3%
$40–45k3.1%
$45–50k0.3%
$50–60k5.9%
$60–75k14.8%
$75–100k9.6%
$100–125k13.0%
$125–150k15.4%
$150–200k10.2%
$200k or more9.0%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed420
Mean adjusted gross income$67,052
Returns declaring $200,000 or more0%
Returns, under $25k23.8%
Returns, $25k–$50k23.8%
Returns, $50k–$75k16.7%
Returns, $75k–$100k9.5%
Returns, $100k–$200k26.2%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$163,900
Median gross rent$638
Owner-occupied91%
Vacant homes11%
Median year built1954

What the homes are

Detached house91.8%
2 to 4 units4.1%
Mobile home4.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$229,777as of 2026-07
Typical home value, 1 yearup 7.2%
Typical home value, 5 yearsup 25.6%
Typical home value since 2000
201820222026$229,777$142,281

$142,281 in 2018 to $229,777 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0.5%
Bachelor's degree or higher16.1%
High school diploma or higher98%
Works from home19.5%
Drives to work alone69.2%
Takes public transport0%
Commutes 45 minutes or more16.9%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity40.6% 7.2 pts above the national average of 33.4%
Diagnosed diabetes13.9% 1.9 pts above the national average of 12%
Currently smokes17.5% 4.3 pts above the national average of 13.2%
High blood pressure41.6% 7.5 pts above the national average of 34.1%
Fair or poor general health19.8% 0.5 pts below the national average of 20.3%
No health insurance (18–64)6.5% 4.8 pts below the national average of 11.3%
Depression19.9% 2 pts below the national average of 21.9%
No leisure-time physical activity27.3% 1.9 pts above the national average of 25.4%
Arthritis34% 8.9 pts above the national average of 25.1%
Binge drinking19.6% 3.6 pts above the national average of 16%
Taking blood pressure medication81% 6.3 pts above the national average of 74.7%
Cancer (non-skin)10.7% 3 pts above the national average of 7.7%
Current asthma10.1% same as the national average of 10.4%
Coronary heart disease8.7% 2.5 pts above the national average of 6.2%
Routine check-up in past year79.3% 2.6 pts above the national average of 76.7%
Cholesterol screening86.9% 1 pts above the national average of 85.9%
Cognitive disability13.4% 1.4 pts below the national average of 14.8%
Colorectal screening68.6% 4.3 pts above the national average of 64.3%
COPD9.2% 2.6 pts above the national average of 6.6%
Visited a dentist64.1% 2.8 pts above the national average of 61.3%
Any disability30.5% same as the national average of 30.7%
Lacks emotional support21.9% 2.9 pts below the national average of 24.8%
Food insecurity11.7% 5.4 pts below the national average of 17.1%
Received food stamps10.8% 3.5 pts below the national average of 14.3%
Hearing disability9.3% 2.6 pts above the national average of 6.7%
High cholesterol40.3% 4.1 pts above the national average of 36.2%
Housing insecurity8.7% 5.1 pts below the national average of 13.8%
Independent living disability8.1% same as the national average of 8.4%
Lacks transport6.6% 2.6 pts below the national average of 9.2%
Loneliness30% 4.4 pts below the national average of 34.4%
Mammography use76.8% 0.9 pts above the national average of 75.9%
Poor mental health (14+ days)15.7% 1.1 pts below the national average of 16.8%
Mobility disability15.9% 1.9 pts above the national average of 14%
Poor physical health (14+ days)14.8% 1.3 pts above the national average of 13.5%
Self-care disability4.3% same as the national average of 4%
Utility shut-off threat6.6% 2.2 pts below the national average of 8.8%
Sleeps under 7 hours33.9% 2.5 pts below the national average of 36.4%
Stroke4.2% 0.8 pts above the national average of 3.4%
All natural teeth lost12.7% same as the national average of 13%
Vision disability4.9% 0.7 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments24
People employed71
Annual payroll$2,945,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 88.7% of US census tracts
FEMA ratingRelatively High
Expected annual loss87.2 out of 100
Community resilience81.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Strong wind99.1Very High at its worst in this ZIP code
Drought98.8Relatively High at its worst in this ZIP code
Hail95.3Relatively High at its worst in this ZIP code
River flooding91.8Relatively High at its worst in this ZIP code
Tornado90.5Relatively High at its worst in this ZIP code
Landslide87Relatively Low at its worst in this ZIP code
Ice storm83.7Relatively Moderate at its worst in this ZIP code
Cold wave81.6Relatively High at its worst in this ZIP code
Winter weather78.6Relatively Moderate at its worst in this ZIP code
Wildfire74.6Relatively Low at its worst in this ZIP code
Lightning73.2Relatively Moderate at its worst in this ZIP code
Heat wave54.1Relatively Moderate at its worst in this ZIP code
Earthquake41.8Relatively Low at its worst in this ZIP code
Hurricane31.7Very Low at its worst in this ZIP code
Compared with Iowa and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPIowaUnited States
Median household income$93,750$73,147$78,538
Income per person$40,399$39,728$43,289
Poverty rate3.3%11%12.4%
Median home value$163,900$195,900$303,400
Median gross rent$638$949$1,348
Homeownership91%71.5%65%
Bachelor's degree or higher16.1%30.9%35%
Unemployment rate0.5%3.6%5.2%
Works from home19.5%10.4%13.5%
Born outside the US8.5%5.7%13.9%
Median age5138.638.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationLOWDEN, IA US15.9 km away
Rain in a year40 in
Snow in a year40 in

Average high and low by month

January29.1°F / 11.6°F1.58 in rain, 11.2 in snow
February34.2°F / 15.2°F1.8 in rain, 8 in snow
March47.6°F / 26.6°F2.8 in rain, 6.2 in snow
April61.6°F / 37.2°F4.1 in rain, 1.7 in snow
May73.2°F / 49.6°F4.48 in rain
June82°F / 59.9°F5.08 in rain
July85.2°F / 62.1°F4.55 in rain
August83.2°F / 59.8°F4.14 in rain
September77°F / 50.9°F3.55 in rain
October64°F / 38.9°F3.16 in rain, 0.7 in snow
November48.2°F / 27.4°F2.31 in rain, 2.9 in snow
December34.3°F / 17.8°F2.04 in rain, 9.1 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Calamus-Wheatland Community School District99% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability40more vulnerable than 40% of US census tracts
Socioeconomic status37more vulnerable than 37% of US census tracts
Household characteristics80more vulnerable than 80% of US census tracts
Racial and ethnic minority status13more vulnerable than 13% of US census tracts
Housing type and transport32more vulnerable than 32% of US census tracts
Walkability5.3 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

52751 Grand Mound, IA7.4 km away
52777 Wheatland, IA8.3 km away
52745 Dixon, IA11.2 km away
52746 Donahue, IA12.3 km away
52765 New Liberty, IA14.7 km away
52774 Welton, IA16.2 km away
52255 Lowden, IA17.2 km away
52742 De Witt, IA18.1 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Clinton County99% of this ZIP code's land area
Scott County1% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area39.66 sq mi
Water area0.15 sq mi
Population density21 people per sq mi
Latitude, longitude41.8111, -90.7416

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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