Postal Codes

52301 ZIP Code

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ZIP code 52301 covers Marengo, Iowa, with a population of about 4,046 and a median household income of $68,659.

Population
4,04632 per square mile
Median age
42.74 points above the US average
Median household income
$68,6596% below the Iowa median
Poverty rate
9.3%3.1 points below the US average
Typical home value
$196,847up 30.4% in five years
Median rent
$75221% below the Iowa median
Degree or higher
14.2%20.8 points below the US average
Homeownership
76.1%11.1 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
90

Where 52301 is

Marengo, 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

Population4,046
Median age42.7
Family households63.8%
Born outside the US1.2%
Speaks a language other than English at home1.8%
White (non-Hispanic)95.5%
Black (non-Hispanic)1.1%
Asian (non-Hispanic)0%
Hispanic or Latino1.3%
Veterans9.7%
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$68,659
Income per person$34,675
Poverty rate9.3%
Households on SNAP or cash assistance11.4%

Household income distribution

Under $10k3.8%
$10–15k3.5%
$15–20k1.2%
$20–25k3.1%
$25–30k5.4%
$30–35k5.2%
$35–40k5.6%
$40–45k2.6%
$45–50k3.6%
$50–60k8.8%
$60–75k15.7%
$75–100k12.4%
$100–125k13.4%
$125–150k5.2%
$150–200k6.4%
$200k or more4.1%

Income as declared to the IRS

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

Tax returns filed1,720
Mean adjusted gross income$68,721
Returns declaring $200,000 or more3.5%
Returns, under $25k22.1%
Returns, $25k–$50k25.6%
Returns, $50k–$75k17.4%
Returns, $75k–$100k13.4%
Returns, $100k–$200k18.0%
Returns, $200k or more3.5%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$149,200
Median gross rent$752
Rent as a share of household income22.8%
Owner-occupied76.1%
Vacant homes8.3%
Median year built1961

What the homes are

Detached house81.4%
Attached house0.6%
2 to 4 units6%
5 to 19 units4.4%
20 or more units0.9%
Mobile home6.7%
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$196,847as of 2026-07
Typical home value, 1 yearup 4.4%
Typical home value, 5 yearsup 30.4%
Typical home value, 10 yearsup 63.7%
Typical home value since 2000
200920172026$196,847$75,848

$77,372 in 2009 to $196,847 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.9%
Bachelor's degree or higher14.2%
High school diploma or higher90.6%
Works from home4.1%
Drives to work alone85.1%
Takes public transport0%
Commutes 45 minutes or more11.8%
Health

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

Obesity44.3% 10.9 pts above the national average of 33.4%
Diagnosed diabetes12.5% 0.5 pts above the national average of 12%
Currently smokes16.4% 3.2 pts above the national average of 13.2%
High blood pressure37.9% 3.8 pts above the national average of 34.1%
Fair or poor general health19.7% 0.6 pts below the national average of 20.3%
No health insurance (18–64)7.4% 3.9 pts below the national average of 11.3%
Depression20.8% 1.1 pts below the national average of 21.9%
No leisure-time physical activity27.1% 1.7 pts above the national average of 25.4%
Arthritis29.7% 4.6 pts above the national average of 25.1%
Binge drinking19.2% 3.2 pts above the national average of 16%
Taking blood pressure medication79.9% 5.2 pts above the national average of 74.7%
Cancer (non-skin)10% 2.3 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease7.7% 1.5 pts above the national average of 6.2%
Routine check-up in past year79% 2.3 pts above the national average of 76.7%
Cholesterol screening85.3% 0.6 pts below the national average of 85.9%
Cognitive disability14.2% 0.6 pts below the national average of 14.8%
Colorectal screening69.3% 5 pts above the national average of 64.3%
COPD8.3% 1.7 pts above the national average of 6.6%
Visited a dentist69.2% 7.9 pts above the national average of 61.3%
Any disability31.1% same as the national average of 30.7%
Lacks emotional support23.8% 1 pts below the national average of 24.8%
Food insecurity12% 5.1 pts below the national average of 17.1%
Received food stamps10.3% 4 pts below the national average of 14.3%
Hearing disability8.8% 2.1 pts above the national average of 6.7%
High cholesterol38.3% 2.1 pts above the national average of 36.2%
Housing insecurity9% 4.8 pts below the national average of 13.8%
Independent living disability8.2% same as the national average of 8.4%
Lacks transport6.7% 2.5 pts below the national average of 9.2%
Loneliness32.3% 2.1 pts below the national average of 34.4%
Mammography use78.9% 3 pts above the national average of 75.9%
Poor mental health (14+ days)16.8% same as the national average of 16.8%
Mobility disability15% 1 pts above the national average of 14%
Poor physical health (14+ days)14.2% 0.7 pts above the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Utility shut-off threat6.3% 2.5 pts below the national average of 8.8%
Sleeps under 7 hours30% 6.4 pts below the national average of 36.4%
Stroke3.9% 0.5 pts above the national average of 3.4%
All natural teeth lost10.5% 2.5 pts below the national average of 13%
Vision disability4.7% 0.9 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments90
People employed665
Annual payroll$28,680,000
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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 81.6% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 4 census tracts this ZIP code covers
Expected annual loss82.7 out of 100
Community resilience90.8 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 wind99.3Very High at its worst in this ZIP code
Drought98.1Relatively High at its worst in this ZIP code
Hail95.6Relatively High at its worst in this ZIP code
Landslide93.8Relatively Low at its worst in this ZIP code
Tornado93.8Very High at its worst in this ZIP code
Winter weather92Relatively High at its worst in this ZIP code
Wildfire90.2Relatively Moderate at its worst in this ZIP code
Ice storm82.3Relatively Moderate at its worst in this ZIP code
River flooding78.6Relatively High at its worst in this ZIP code
Heat wave77.5Relatively Moderate at its worst in this ZIP code
Cold wave63.8Relatively Moderate at its worst in this ZIP code
Lightning61.1Relatively Moderate at its worst in this ZIP code
Earthquake31.7Very Low at its worst in this ZIP code
Hurricane30.8Very 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$68,659$73,147$78,538
Income per person$34,675$39,728$43,289
Poverty rate9.3%11%12.4%
Median home value$149,200$195,900$303,400
Median gross rent$752$949$1,348
Homeownership76.1%71.5%65%
Bachelor's degree or higher14.2%30.9%35%
Unemployment rate3.9%3.6%5.2%
Works from home4.1%10.4%13.5%
Born outside the US1.2%5.7%13.9%
Median age42.738.638.7
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 stationWILLIAMSBURG 1E, IA US14.8 km away
Rain in a year38 in
Snow in a year28 in

Average high and low by month

January28.4°F / 10.4°F1.16 in rain, 7.6 in snow
February33°F / 14.3°F1.46 in rain, 7.7 in snow
March46.5°F / 25.8°F2.19 in rain, 3.6 in snow
April60.4°F / 36.4°F3.92 in rain, 0.9 in snow
May71.3°F / 48.9°F4.85 in rain, 0.1 in snow
June80.5°F / 59.4°F4.8 in rain
July84°F / 62.6°F4.32 in rain
August82.1°F / 59.7°F4.47 in rain
September76.3°F / 50.7°F3.8 in rain
October63°F / 38.6°F2.83 in rain, 0.3 in snow
November47.3°F / 26.9°F2.2 in rain, 1.6 in snow
December34.2°F / 16.3°F1.69 in rain, 6.3 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%.

This ZIP code is served by 6 school districts, so the address decides which one, not the ZIP code.

Iowa Valley Community School District70.4% of this ZIP code's land area
Williamsburg Community School District12.9% of this ZIP code's land area
Benton Community School District7% of this ZIP code's land area
H-L-V Community School District4.5% of this ZIP code's land area
Belle Plaine Community School District4.1% of this ZIP code's land area
Clear Creek-Amana Community School District1.1% 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 status25more vulnerable than 25% of US census tracts
Household characteristics64more vulnerable than 64% of US census tracts
Racial and ethnic minority status7more vulnerable than 7% of US census tracts
Housing type and transport61more vulnerable than 61% of US census tracts
Walkability5.5 out of 20Least walkable
Nearby ZIP codes

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

52220 Conroy, IA8.8 km away
52251 Ladora, IA10.1 km away
52334 South Amana, IA12.5 km away
52209 Blairstown, IA13.4 km away
52307 Middle Amana, IA14.1 km away
52354 Watkins, IA14.5 km away
52257 Luzerne, IA16 km away
52203 Amana, IA16.2 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.

Iowa County96.4% of this ZIP code's land area
Benton County3.6% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area126.29 sq mi
Water area0.21 sq mi
Population density32 people per sq mi
Latitude, longitude41.7863, -92.0720

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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