Postal Codes

50653 ZIP Code

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ZIP code 50653 covers Marble Rock, Iowa, with a population of about 448 and a median household income of $65,313.

Population
4489 per square mile
Median age
58.219.5 points above the US average
Median household income
$65,31311% below the Iowa median
Poverty rate
3.1%9.3 points below the US average
Typical home value
$179,753up 34.8% in five years
Median rent
$59238% below the Iowa median
Degree or higher
20.7%14.3 points below the US average
Homeownership
83.7%18.7 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
11

Where 50653 is

Marble Rock, 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

Population448
Median age58.2
Family households67.5%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)98%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans10.5%
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$65,313
Income per person$38,154
Poverty rate3.1%
Households on SNAP or cash assistance5.4%

Household income distribution

Under $10k2.5%
$10–15k1.0%
$15–20k2.0%
$20–25k2.0%
$25–30k4.9%
$30–35k7.4%
$35–40k3.0%
$40–45k5.9%
$45–50k11.8%
$50–60k8.9%
$60–75k6.9%
$75–100k12.3%
$100–125k3.0%
$125–150k20.7%
$150–200k0.5%
$200k or more7.4%

Income as declared to the IRS

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

Tax returns filed270
Mean adjusted gross income$71,648
Returns declaring $200,000 or more0%
Returns, under $25k25.9%
Returns, $25k–$50k22.2%
Returns, $50k–$75k14.8%
Returns, $75k–$100k11.1%
Returns, $100k–$200k25.9%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$150,900
Median gross rent$592
Rent as a share of household income23%
Owner-occupied83.7%
Vacant homes17.5%
Median year built1971

What the homes are

Detached house94.7%
2 to 4 units0.4%
5 to 19 units4.1%
Mobile home0.8%
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$179,753as of 2026-07
Typical home value, 1 yearup 5.9%
Typical home value, 5 yearsup 34.8%
Typical home value since 2000
201820222026$179,753$111,076

$111,076 in 2018 to $179,753 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.8%
Bachelor's degree or higher20.7%
High school diploma or higher94.2%
Works from home19.1%
Drives to work alone72.2%
Takes public transport0%
Commutes 45 minutes or more15.4%
Health

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

Obesity40.9% 7.5 pts above the national average of 33.4%
Diagnosed diabetes13.6% 1.6 pts above the national average of 12%
Currently smokes17.4% 4.2 pts above the national average of 13.2%
High blood pressure39.5% 5.4 pts above the national average of 34.1%
Fair or poor general health20% same as the national average of 20.3%
No health insurance (18–64)6.9% 4.4 pts below the national average of 11.3%
Depression20.5% 1.4 pts below the national average of 21.9%
No leisure-time physical activity27.7% 2.3 pts above the national average of 25.4%
Arthritis31.6% 6.5 pts above the national average of 25.1%
Binge drinking18.6% 2.6 pts above the national average of 16%
Taking blood pressure medication81% 6.3 pts above the national average of 74.7%
Cancer (non-skin)10.4% 2.7 pts above the national average of 7.7%
Current asthma10% 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 year78.3% 1.6 pts above the national average of 76.7%
Cholesterol screening85% 0.9 pts below the national average of 85.9%
Cognitive disability14% 0.8 pts below the national average of 14.8%
Colorectal screening67.1% 2.8 pts above the national average of 64.3%
COPD9% 2.4 pts above the national average of 6.6%
Visited a dentist64.5% 3.2 pts above the national average of 61.3%
Any disability31.5% 0.8 pts above the national average of 30.7%
Lacks emotional support22.6% 2.2 pts below the national average of 24.8%
Food insecurity11.9% 5.2 pts below the national average of 17.1%
Received food stamps10.7% 3.6 pts below the national average of 14.3%
Hearing disability9.4% 2.7 pts above the national average of 6.7%
High cholesterol39% 2.8 pts above the national average of 36.2%
Housing insecurity8.7% 5.1 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%
Loneliness31.7% 2.7 pts below the national average of 34.4%
Mammography use76.2% same as the national average of 75.9%
Poor mental health (14+ days)16.3% 0.5 pts below the national average of 16.8%
Mobility disability15.6% 1.6 pts above the national average of 14%
Poor physical health (14+ days)14.4% 0.9 pts above the national average of 13.5%
Self-care disability4.1% same as the national average of 4%
Utility shut-off threat6.4% 2.4 pts below the national average of 8.8%
Sleeps under 7 hours30.8% 5.6 pts below the national average of 36.4%
Stroke4.2% 0.8 pts above the national average of 3.4%
All natural teeth lost12.4% 0.6 pts below 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 establishments11
People employed51
Annual payroll$2,098,000
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 85% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 3 census tracts this ZIP code covers
Expected annual loss89.2 out of 100
Community resilience75.2 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.

Drought99.1Relatively High at its worst in this ZIP code
Hail97.1Relatively High at its worst in this ZIP code
Winter weather89.6Relatively High at its worst in this ZIP code
Tornado89.5Very High at its worst in this ZIP code
Strong wind86.2Relatively High at its worst in this ZIP code
River flooding85.9Relatively High at its worst in this ZIP code
Cold wave82.6Relatively High at its worst in this ZIP code
Landslide80.5Very Low at its worst in this ZIP code
Wildfire67.7Relatively Low at its worst in this ZIP code
Ice storm47.8Relatively Low at its worst in this ZIP code
Lightning37.8Relatively Low at its worst in this ZIP code
Hurricane32.5Very Low at its worst in this ZIP code
Heat wave11.6Relatively Low at its worst in this ZIP code
Earthquake9.9Very 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$65,313$73,147$78,538
Income per person$38,154$39,728$43,289
Poverty rate3.1%11%12.4%
Median home value$150,900$195,900$303,400
Median gross rent$592$949$1,348
Homeownership83.7%71.5%65%
Bachelor's degree or higher20.7%30.9%35%
Unemployment rate2.8%3.6%5.2%
Works from home19.1%10.4%13.5%
Born outside the US0%5.7%13.9%
Median age58.238.638.7
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 stationCHARLES CITY, IA US20.8 km away
Rain in a year38 in
Snow in a year38 in

Average high and low by month

January24.6°F / 8.6°F1.01 in rain, 9.5 in snow
February29.5°F / 12.6°F1.14 in rain, 9.3 in snow
March43.1°F / 25.3°F1.93 in rain, 5.4 in snow
April58.1°F / 36.7°F3.73 in rain, 2.1 in snow
May69.5°F / 48.5°F5.06 in rain, 0.3 in snow
June78.8°F / 58.6°F6.13 in rain
July82°F / 62.1°F4.92 in rain
August79.6°F / 59.7°F4.28 in rain
September73.4°F / 51.3°F3.82 in rain
October60.3°F / 38.8°F2.58 in rain, 0.1 in snow
November43.7°F / 26.3°F1.74 in rain, 2.8 in snow
December29.8°F / 15.1°F1.38 in rain, 8 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 3 school districts, so the address decides which one, not the ZIP code.

Rudd-Rockford-Marble Rock Community School District94.3% of this ZIP code's land area
Charles City Community School District3.8% of this ZIP code's land area
North Butler Community School District1.9% 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 status38more vulnerable than 38% of US census tracts
Household characteristics56more vulnerable than 56% of US census tracts
Racial and ethnic minority status18more vulnerable than 18% of US census tracts
Housing type and transport21more vulnerable than 21% 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.

50636 Greene, IA10.5 km away
50468 Rockford, IA11.4 km away
50433 Dougherty, IA13.1 km away
50605 Aredale, IA18.1 km away
50471 Rudd, IA19.7 km away
50616 Charles City, IA21 km away
50611 Bristow, IA21.2 km away
50458 Nora Springs, IA22.2 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.

Floyd County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area51.71 sq mi
Water area0.3 sq mi
Population density9 people per sq mi
Latitude, longitude42.9645, -92.8917

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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