Postal Codes

51550 ZIP Code

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ZIP code 51550 covers Magnolia, Iowa, with a population of about 142 and a median household income of $77,679.

Population
142262 per square mile
Median age
52.513.8 points above the US average
Median household income
$77,6791.1× the Iowa median
Poverty rate
1.4%11 points below the US average
Median home value
$107,50045% below the Iowa median
Degree or higher
12.5%22.5 points below the US average
Homeownership
90.8%25.8 points above the US average
Time zone
Central UTC-06:00observes daylight saving time

Where 51550 is

Magnolia, 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

Population142
Median age52.5
Family households67.7%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)97.2%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino1.4%
Veterans7%
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$77,679
Income per person$41,251
Poverty rate1.4%
Households on SNAP or cash assistance6.2%

Household income distribution

Under $10k0.0%
$10–15k1.5%
$15–20k1.5%
$20–25k4.6%
$25–30k7.7%
$30–35k9.2%
$35–40k4.6%
$40–45k4.6%
$45–50k0.0%
$50–60k4.6%
$60–75k10.8%
$75–100k20.0%
$100–125k12.3%
$125–150k4.6%
$150–200k6.2%
$200k or more7.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$107,500
Owner-occupied90.8%
Vacant homes5.8%
Median year built1942

What the homes are

Detached house95.7%
Mobile home4.3%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.3%
Bachelor's degree or higher12.5%
High school diploma or higher89.4%
Works from home12.2%
Drives to work alone77%
Takes public transport0%
Commutes 45 minutes or more21.5%
Health

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

Obesity36.4% 3 pts above the national average of 33.4%
Diagnosed diabetes14% 2 pts above the national average of 12%
Currently smokes16.7% 3.5 pts above the national average of 13.2%
High blood pressure40.2% 6.1 pts above the national average of 34.1%
Fair or poor general health20.4% same as the national average of 20.3%
No health insurance (18–64)7.1% 4.2 pts below the national average of 11.3%
Depression20.2% 1.7 pts below the national average of 21.9%
No leisure-time physical activity27.9% 2.5 pts above the national average of 25.4%
Arthritis32.4% 7.3 pts above the national average of 25.1%
Binge drinking18.7% 2.7 pts above the national average of 16%
Taking blood pressure medication81.2% 6.5 pts above the national average of 74.7%
Cancer (non-skin)10.9% 3.2 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease8.6% 2.4 pts above the national average of 6.2%
Routine check-up in past year80.1% 3.4 pts above the national average of 76.7%
Cholesterol screening86.7% 0.8 pts above the national average of 85.9%
Cognitive disability13.9% 0.9 pts below the national average of 14.8%
Colorectal screening69% 4.7 pts above the national average of 64.3%
COPD8.9% 2.3 pts above the national average of 6.6%
Visited a dentist68.7% 7.4 pts above the national average of 61.3%
Any disability32.2% 1.5 pts above the national average of 30.7%
Lacks emotional support22.9% 1.9 pts below the national average of 24.8%
Food insecurity12.2% 4.9 pts below the national average of 17.1%
Received food stamps10.8% 3.5 pts below the national average of 14.3%
Hearing disability9.6% 2.9 pts above the national average of 6.7%
High cholesterol39.8% 3.6 pts above the national average of 36.2%
Housing insecurity9.4% 4.4 pts below the national average of 13.8%
Independent living disability8.5% same as the national average of 8.4%
Lacks transport6.9% 2.3 pts below the national average of 9.2%
Loneliness30% 4.4 pts below the national average of 34.4%
Mammography use79.2% 3.3 pts above the national average of 75.9%
Poor mental health (14+ days)15.9% 0.9 pts below the national average of 16.8%
Mobility disability16.1% 2.1 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 disability4.2% same as the national average of 4%
Utility shut-off threat6.7% 2.1 pts below the national average of 8.8%
Sleeps under 7 hours33.2% 3.2 pts below the national average of 36.4%
Stroke4.3% 0.9 pts above the national average of 3.4%
All natural teeth lost10.8% 2.2 pts below the national average of 13%
Vision disability5.1% 0.5 pts below the national average of 5.6%
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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 82.5% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss73.4 out of 100
Community resilience58.2 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.

Hail98.6Very High at its worst in this ZIP code
Drought98.3Relatively High at its worst in this ZIP code
Landslide98Relatively Moderate at its worst in this ZIP code
Strong wind97Very High at its worst in this ZIP code
Tornado95.6Very High at its worst in this ZIP code
Wildfire89.7Relatively Moderate at its worst in this ZIP code
Ice storm88.9Relatively Moderate at its worst in this ZIP code
Winter weather84.2Relatively High at its worst in this ZIP code
River flooding78.7Relatively Moderate at its worst in this ZIP code
Cold wave71Relatively Moderate at its worst in this ZIP code
Lightning62Relatively Moderate at its worst in this ZIP code
Heat wave25.2Relatively Low at its worst in this ZIP code
Earthquake11.9Very 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$77,679$73,147$78,538
Income per person$41,251$39,728$43,289
Poverty rate1.4%11%12.4%
Median home value$107,500$195,900$303,400
Median gross rent$949$1,348
Homeownership90.8%71.5%65%
Bachelor's degree or higher12.5%30.9%35%
Unemployment rate1.3%3.6%5.2%
Works from home12.2%10.4%13.5%
Born outside the US0%5.7%13.9%
Median age52.538.638.7
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 stationLOGAN, IA US9.3 km away
Rain in a year34 in
Snow in a year29 in

Average high and low by month

January30.7°F / 9.9°F0.72 in rain, 7.9 in snow
February35.5°F / 13.5°F0.98 in rain, 6.4 in snow
March48.9°F / 25.8°F1.82 in rain, 4.1 in snow
April61.7°F / 36.3°F3.4 in rain, 0.9 in snow
May72.5°F / 49.4°F4.95 in rain
June82.4°F / 60.1°F5.21 in rain
July85.6°F / 64.1°F4.06 in rain
August83.7°F / 61.2°F4.29 in rain
September77.5°F / 51.3°F3.54 in rain
October64.7°F / 38.2°F2.61 in rain, 0.6 in snow
November48.6°F / 25.4°F1.45 in rain, 2.2 in snow
December35.3°F / 15.3°F1.4 in rain, 6.6 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%.

Logan-Magnolia 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 vulnerability34more vulnerable than 34% of US census tracts
Socioeconomic status22more vulnerable than 22% of US census tracts
Household characteristics54more vulnerable than 54% of US census tracts
Racial and ethnic minority status6more vulnerable than 6% of US census tracts
Housing type and transport61more vulnerable than 61% of US census tracts
Walkability4.9 out of 20Least walkable
Nearby ZIP codes

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

51546 Logan, IA8.9 km away
51556 Modale, IA11.1 km away
51557 Mondamin, IA11.2 km away
51555 Missouri Valley, IA14.3 km away
51564 Pisgah, IA14.9 km away
51579 Woodbine, IA15.2 km away
51545 Little Sioux, IA18.4 km away
51558 Moorhead, IA25.5 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.

Harrison County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area0.54 sq mi
Population density262 people per sq mi
Latitude, longitude41.6921, -95.8742

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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