Postal Codes

51241 ZIP Code

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ZIP code 51241 covers Larchwood, Iowa, with a population of about 2,052 and a median household income of $89,214.

Population
2,05223 per square mile
Median age
371.7 points below the US average
Median household income
$89,2141.2× the Iowa median
Poverty rate
4.5%7.9 points below the US average
Typical home value
$356,854up 49.3% in five years
Median rent
$84311% below the Iowa median
Degree or higher
27.2%7.8 points below the US average
Homeownership
81.2%16.2 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
56

Where 51241 is

Larchwood, 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

Population2,052
Median age37
Family households76.9%
Born outside the US0.7%
Speaks a language other than English at home2%
White (non-Hispanic)94.7%
Black (non-Hispanic)0.2%
Asian (non-Hispanic)0.4%
Hispanic or Latino3.1%
Veterans5.8%
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$89,214
Income per person$38,863
Poverty rate4.5%
Households on SNAP or cash assistance1.4%

Household income distribution

Under $10k0.4%
$10–15k0.8%
$15–20k1.8%
$20–25k3.1%
$25–30k2.6%
$30–35k2.2%
$35–40k4.9%
$40–45k2.9%
$45–50k8.1%
$50–60k3.5%
$60–75k7.1%
$75–100k15.3%
$100–125k16.0%
$125–150k11.0%
$150–200k16.8%
$200k or more3.5%

Income as declared to the IRS

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

Tax returns filed890
Mean adjusted gross income$88,575
Returns declaring $200,000 or more7.9%
Returns, under $25k23.6%
Returns, $25k–$50k18.0%
Returns, $50k–$75k15.7%
Returns, $75k–$100k11.2%
Returns, $100k–$200k23.6%
Returns, $200k or more7.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$270,100
Median gross rent$843
Rent as a share of household income22.7%
Owner-occupied81.2%
Vacant homes10.5%
Median year built1977

What the homes are

Detached house92.6%
Attached house0.6%
2 to 4 units3.4%
5 to 19 units2.3%
Mobile home1.2%
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$356,854as of 2026-07
Typical home value, 1 yearup 16.3%
Typical home value, 5 yearsup 49.3%
Typical home value since 2000
201820222026$356,854$183,957

$183,957 in 2018 to $356,854 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0.8%
Bachelor's degree or higher27.2%
High school diploma or higher97%
Works from home3%
Drives to work alone84.7%
Takes public transport0%
Commutes 45 minutes or more11.9%
Health

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

Obesity38.6% 5.2 pts above the national average of 33.4%
Diagnosed diabetes10.5% 1.5 pts below the national average of 12%
Currently smokes15.3% 2.1 pts above the national average of 13.2%
High blood pressure34.2% same as the national average of 34.1%
Fair or poor general health16.5% 3.8 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%
Depression19.8% 2.1 pts below the national average of 21.9%
No leisure-time physical activity24% 1.4 pts below the national average of 25.4%
Arthritis26.5% 1.4 pts above the national average of 25.1%
Binge drinking22.4% 6.4 pts above the national average of 16%
Taking blood pressure medication77.1% 2.4 pts above the national average of 74.7%
Cancer (non-skin)9.1% 1.4 pts above the national average of 7.7%
Current asthma9.8% 0.6 pts below the national average of 10.4%
Coronary heart disease6.3% same as the national average of 6.2%
Routine check-up in past year76.9% same as the national average of 76.7%
Cholesterol screening85.1% 0.8 pts below the national average of 85.9%
Cognitive disability12.9% 1.9 pts below the national average of 14.8%
Colorectal screening69.2% 4.9 pts above the national average of 64.3%
COPD6.6% same as the national average of 6.6%
Visited a dentist70.9% 9.6 pts above the national average of 61.3%
Any disability27.3% 3.4 pts below the national average of 30.7%
Lacks emotional support23% 1.8 pts below the national average of 24.8%
Food insecurity9.8% 7.3 pts below the national average of 17.1%
Received food stamps8% 6.3 pts below the national average of 14.3%
Hearing disability7.3% 0.6 pts above the national average of 6.7%
High cholesterol34.8% 1.4 pts below the national average of 36.2%
Housing insecurity8.2% 5.6 pts below the national average of 13.8%
Independent living disability6.7% 1.7 pts below the national average of 8.4%
Lacks transport5.8% 3.4 pts below the national average of 9.2%
Loneliness31.6% 2.8 pts below the national average of 34.4%
Mammography use81% 5.1 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 disability11.9% 2.1 pts below the national average of 14%
Poor physical health (14+ days)12.3% 1.2 pts below the national average of 13.5%
Self-care disability3% 1 pts below the national average of 4%
Utility shut-off threat5.6% 3.2 pts below the national average of 8.8%
Sleeps under 7 hours30.9% 5.5 pts below the national average of 36.4%
Stroke3.1% same as the national average of 3.4%
All natural teeth lost10.8% 2.2 pts below the national average of 13%
Vision disability3.7% 1.9 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments56
People employed996
Annual payroll$68,857,000
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 93.7% of US census tracts
FEMA ratingRelatively High
Expected annual loss96.6 out of 100
Community resilience71.1 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.

Hail99.8Very High at its worst in this ZIP code
Winter weather99.5Very High at its worst in this ZIP code
Drought98.2Relatively High at its worst in this ZIP code
Tornado98Very High at its worst in this ZIP code
Ice storm97.9Very High at its worst in this ZIP code
Cold wave94.7Relatively High at its worst in this ZIP code
Strong wind91.6Relatively High at its worst in this ZIP code
Landslide89.4Relatively Low at its worst in this ZIP code
River flooding85.8Relatively High at its worst in this ZIP code
Wildfire84.3Relatively Low at its worst in this ZIP code
Heat wave74.5Relatively Moderate at its worst in this ZIP code
Lightning65.7Relatively Moderate at its worst in this ZIP code
Earthquake15.9Very 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$89,214$73,147$78,538
Income per person$38,863$39,728$43,289
Poverty rate4.5%11%12.4%
Median home value$270,100$195,900$303,400
Median gross rent$843$949$1,348
Homeownership81.2%71.5%65%
Bachelor's degree or higher27.2%30.9%35%
Unemployment rate0.8%3.6%5.2%
Works from home3%10.4%13.5%
Born outside the US0.7%5.7%13.9%
Median age3738.638.7
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 stationCANTON, SD US19.3 km away
Rain in a year28 in
Snow in a year36 in

Average high and low by month

January25.3°F / 5.8°F0.56 in rain, 7 in snow
February30.6°F / 10.5°F0.75 in rain, 8.5 in snow
March43.7°F / 22°F1.31 in rain, 4.7 in snow
April57.8°F / 34.3°F2.88 in rain, 2.8 in snow
May69.8°F / 46.7°F4.08 in rain, 0.1 in snow
June79.8°F / 58.2°F4.66 in rain
July83.3°F / 61.8°F3.55 in rain
August80.2°F / 59°F2.99 in rain
September73.6°F / 50.3°F2.9 in rain
October60°F / 36.4°F2.21 in rain, 0.8 in snow
November43.5°F / 23°F1.15 in rain, 4.8 in snow
December29.4°F / 11.3°F0.77 in rain, 7.4 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%.

West Lyon 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 vulnerability25more vulnerable than 25% of US census tracts
Socioeconomic status12more vulnerable than 12% of US census tracts
Household characteristics50more vulnerable than 50% of US census tracts
Racial and ethnic minority status4more vulnerable than 4% of US census tracts
Housing type and transport58more vulnerable than 58% of US census tracts
Walkability5.1 out of 20Least walkable
Nearby ZIP codes

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

51242 Lester, IA7.2 km away
56138 Hills, MN11.6 km away
51240 Inwood, IA14.9 km away
57068 Valley Springs, SD16.4 km away
51230 Alvord, IA17.1 km away
56173 Steen, MN17.9 km away
51246 Rock Rapids, IA20 km away
57013 Canton, SD20.3 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.

Lyon County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area89.61 sq mi
Population density23 people per sq mi
Latitude, longitude43.4387, -96.4252

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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