Postal Codes

51009 ZIP Code

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ZIP code 51009 covers Calumet, Iowa, with a population of about 131 and a median household income of $53,125.

Population
131492 per square mile
Median age
32.85.9 points below the US average
Median household income
$53,12527% below the Iowa median
Poverty rate
25.2%12.8 points above the US average
Median rent
$47550% below the Iowa median
Degree or higher
17.3%17.7 points below the US average
Homeownership
83.6%18.6 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
6

Where 51009 is

Calumet, 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

Population131
Median age32.8
Family households56.4%
Born outside the US1.5%
Speaks a language other than English at home10.9%
White (non-Hispanic)87.8%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino7.6%
Veterans7.1%
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$53,125
Poverty rate25.2%
Households on SNAP or cash assistance21.8%

Household income distribution

Under $10k0.0%
$10–15k12.7%
$15–20k3.6%
$20–25k3.6%
$25–30k14.5%
$30–35k1.8%
$35–40k7.3%
$40–45k0.0%
$45–50k1.8%
$50–60k14.5%
$60–75k3.6%
$75–100k10.9%
$100–125k12.7%
$125–150k1.8%
$150–200k3.6%
$200k or more7.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median gross rent$475
Rent as a share of household income22.5%
Owner-occupied83.6%
Vacant homes5.2%
Median year built1938

What the homes are

Detached house100%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4%
Bachelor's degree or higher17.3%
High school diploma or higher96.3%
Works from home4.3%
Drives to work alone91.5%
Takes public transport0%
Commutes 45 minutes or more22.2%
Health

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

Obesity38.2% 4.8 pts above the national average of 33.4%
Diagnosed diabetes11.5% 0.5 pts below the national average of 12%
Currently smokes15.9% 2.7 pts above the national average of 13.2%
High blood pressure36% 1.9 pts above the national average of 34.1%
Fair or poor general health17.9% 2.4 pts below the national average of 20.3%
No health insurance (18–64)6.8% 4.5 pts below the national average of 11.3%
Depression20.6% 1.3 pts below the national average of 21.9%
No leisure-time physical activity25% same as the national average of 25.4%
Arthritis28.8% 3.7 pts above the national average of 25.1%
Binge drinking20.5% 4.5 pts above the national average of 16%
Taking blood pressure medication77.8% 3.1 pts above the national average of 74.7%
Cancer (non-skin)9.9% 2.2 pts above the national average of 7.7%
Current asthma9.8% 0.6 pts below the national average of 10.4%
Coronary heart disease7.3% 1.1 pts above the national average of 6.2%
Routine check-up in past year77.3% 0.6 pts above the national average of 76.7%
Cholesterol screening84.9% 1 pts below the national average of 85.9%
Cognitive disability13.4% 1.4 pts below the national average of 14.8%
Colorectal screening75.2% 10.9 pts above the national average of 64.3%
COPD7.7% 1.1 pts above the national average of 6.6%
Visited a dentist67.2% 5.9 pts above the national average of 61.3%
Any disability29.3% 1.4 pts below the national average of 30.7%
Lacks emotional support22.7% 2.1 pts below the national average of 24.8%
Food insecurity10.6% 6.5 pts below the national average of 17.1%
Received food stamps8.8% 5.5 pts below the national average of 14.3%
Hearing disability8.3% 1.6 pts above the national average of 6.7%
High cholesterol36.4% same as the national average of 36.2%
Housing insecurity8.3% 5.5 pts below the national average of 13.8%
Independent living disability7.3% 1.1 pts below the national average of 8.4%
Lacks transport6.2% 3 pts below the national average of 9.2%
Loneliness31.1% 3.3 pts below the national average of 34.4%
Mammography use82.3% 6.4 pts above the national average of 75.9%
Poor mental health (14+ days)16.2% 0.6 pts below the national average of 16.8%
Mobility disability13.4% 0.6 pts below the national average of 14%
Poor physical health (14+ days)13.3% same as the national average of 13.5%
Self-care disability3.4% 0.6 pts below the national average of 4%
Utility shut-off threat5.8% 3 pts below the national average of 8.8%
Sleeps under 7 hours34.1% 2.3 pts below the national average of 36.4%
Stroke3.6% same as the national average of 3.4%
All natural teeth lost11.5% 1.5 pts below the national average of 13%
Vision disability4.1% 1.5 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments6
People employed23
Annual payroll$1,326,000
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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 80.6% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss86.6 out of 100
Community resilience94.2 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.

Hail99.4Very High at its worst in this ZIP code
Drought96.7Relatively Moderate at its worst in this ZIP code
Winter weather96.6Very High at its worst in this ZIP code
Strong wind90.8Relatively High at its worst in this ZIP code
Cold wave89.4Relatively High at its worst in this ZIP code
Tornado88.7Relatively High at its worst in this ZIP code
Ice storm82.1Relatively Moderate at its worst in this ZIP code
Landslide78.5Very Low at its worst in this ZIP code
River flooding76.8Relatively Moderate at its worst in this ZIP code
Wildfire71.5Relatively Low at its worst in this ZIP code
Lightning62.1Relatively Moderate at its worst in this ZIP code
Heat wave25.5Relatively Low at its worst in this ZIP code
Earthquake12.3Very 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$53,125$73,147$78,538
Income per person$39,728$43,289
Poverty rate25.2%11%12.4%
Median home value$195,900$303,400
Median gross rent$475$949$1,348
Homeownership83.6%71.5%65%
Bachelor's degree or higher17.3%30.9%35%
Unemployment rate4%3.6%5.2%
Works from home4.3%10.4%13.5%
Born outside the US1.5%5.7%13.9%
Median age32.838.638.7
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 stationPRIMGHAR, IA US17 km away
Rain in a year31 in
Snow in a year35 in

Average high and low by month

January26.7°F / 9.4°F0.82 in rain, 8.4 in snow
February31.8°F / 13.8°F0.89 in rain, 6.7 in snow
March45.5°F / 25.6°F1.7 in rain, 6.2 in snow
April60.5°F / 36.9°F3.3 in rain, 2.4 in snow
May71.9°F / 49.3°F4.11 in rain
June81.5°F / 59.9°F4.98 in rain
July84.6°F / 63.9°F3.88 in rain
August82°F / 61.8°F3.58 in rain
September76.2°F / 53.2°F3.3 in rain
October62.4°F / 40.3°F2.28 in rain, 0.4 in snow
November45.3°F / 26.7°F1.49 in rain, 2.5 in snow
December31.4°F / 15.3°F1.02 in rain, 8.2 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%.

South O'Brien Community School District100% 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 vulnerability29more vulnerable than 29% of US census tracts
Socioeconomic status24more vulnerable than 24% of US census tracts
Household characteristics32more vulnerable than 32% of US census tracts
Racial and ethnic minority status3more vulnerable than 3% of US census tracts
Housing type and transport58more vulnerable than 58% of US census tracts
Walkability6 out of 20Below average
Nearby ZIP codes

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

51058 Sutherland, IA7.2 km away
51029 Larrabee, IA9.3 km away
51046 Paullina, IA13.1 km away
51245 Primghar, IA16.8 km away
51047 Peterson, IA17.5 km away
51037 Meriden, IA18.9 km away
51014 Cleghorn, IA20 km away
51012 Cherokee, IA21.8 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.

O'Brien County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area0.27 sq mi
Population density492 people per sq mi
Latitude, longitude42.9444, -95.5515

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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