Postal Codes

50635 ZIP Code

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ZIP code 50635 covers Gladbrook, Iowa, with a population of about 1,470 and a median household income of $72,981.

Population
1,47018 per square mile
Median age
45.56.8 points above the US average
Median household income
$72,981about the Iowa median
Poverty rate
11.9%0.5 points below the US average
Typical home value
$177,067up 31.5% in five years
Median rent
$8936% below the Iowa median
Degree or higher
28.4%6.6 points below the US average
Homeownership
80.8%15.8 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
27

Where 50635 is

Gladbrook, 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

Population1,470
Median age45.5
Family households66.4%
Born outside the US0.5%
Speaks a language other than English at home0.9%
White (non-Hispanic)95.9%
Black (non-Hispanic)1.7%
Asian (non-Hispanic)0.4%
Hispanic or Latino1.1%
Veterans9.3%
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$72,981
Income per person$44,206
Poverty rate11.9%
Households on SNAP or cash assistance7.6%

Household income distribution

Under $10k6.4%
$10–15k7.2%
$15–20k6.1%
$20–25k0.9%
$25–30k0.8%
$30–35k1.5%
$35–40k5.3%
$40–45k2.1%
$45–50k0.8%
$50–60k8.4%
$60–75k12.2%
$75–100k18.9%
$100–125k10.2%
$125–150k9.4%
$150–200k6.1%
$200k or more3.8%

Income as declared to the IRS

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

Tax returns filed700
Mean adjusted gross income$77,973
Returns declaring $200,000 or more4.3%
Returns, under $25k20.0%
Returns, $25k–$50k22.9%
Returns, $50k–$75k17.1%
Returns, $75k–$100k15.7%
Returns, $100k–$200k20.0%
Returns, $200k or more4.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$145,000
Median gross rent$893
Owner-occupied80.8%
Vacant homes11.2%
Median year built1944

What the homes are

Detached house94.9%
Attached house0.5%
2 to 4 units0.3%
5 to 19 units3.5%
20 or more units0.4%
Mobile home0.4%
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$177,067as of 2026-07
Typical home value, 1 yearup 3.7%
Typical home value, 5 yearsup 31.5%
Typical home value, 10 yearsup 74.5%
Typical home value since 2000
201620212026$177,067$101,460

$101,460 in 2016 to $177,067 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0.6%
Bachelor's degree or higher28.4%
High school diploma or higher96.3%
Works from home12.7%
Drives to work alone78.8%
Takes public transport0.4%
Commutes 45 minutes or more15.7%
Health

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

Obesity38.1% 4.7 pts above the national average of 33.4%
Diagnosed diabetes12.4% same as the national average of 12%
Currently smokes15.2% 2 pts above the national average of 13.2%
High blood pressure37.2% 3.1 pts above the national average of 34.1%
Fair or poor general health18.6% 1.7 pts below the national average of 20.3%
No health insurance (18–64)6.4% 4.9 pts below the national average of 11.3%
Depression20.4% 1.5 pts below the national average of 21.9%
No leisure-time physical activity26.1% 0.7 pts above the national average of 25.4%
Arthritis30.8% 5.7 pts above the national average of 25.1%
Binge drinking18.9% 2.9 pts above the national average of 16%
Taking blood pressure medication80.8% 6.1 pts above the national average of 74.7%
Cancer (non-skin)10.7% 3 pts above the national average of 7.7%
Current asthma10% same as the national average of 10.4%
Coronary heart disease7.9% 1.7 pts above the national average of 6.2%
Routine check-up in past year78.9% 2.2 pts above the national average of 76.7%
Cholesterol screening86.2% same as the national average of 85.9%
Cognitive disability13.2% 1.6 pts below the national average of 14.8%
Colorectal screening68.9% 4.6 pts above the national average of 64.3%
COPD8.1% 1.5 pts above the national average of 6.6%
Visited a dentist66.8% 5.5 pts above the national average of 61.3%
Any disability30.6% same as the national average of 30.7%
Lacks emotional support22.8% 2 pts below the national average of 24.8%
Food insecurity10.5% 6.6 pts below the national average of 17.1%
Received food stamps9.1% 5.2 pts below the national average of 14.3%
Hearing disability8.9% 2.2 pts above the national average of 6.7%
High cholesterol37.8% 1.6 pts above the national average of 36.2%
Housing insecurity8.1% 5.7 pts below the national average of 13.8%
Independent living disability7.7% 0.7 pts below the national average of 8.4%
Lacks transport6.1% 3.1 pts below the national average of 9.2%
Loneliness30.9% 3.5 pts below the national average of 34.4%
Mammography use79% 3.1 pts above the national average of 75.9%
Poor mental health (14+ days)15.7% 1.1 pts below the national average of 16.8%
Mobility disability14.6% 0.6 pts above the national average of 14%
Poor physical health (14+ days)13.7% same as the national average of 13.5%
Self-care disability3.7% same as the national average of 4%
Utility shut-off threat5.7% 3.1 pts below the national average of 8.8%
Sleeps under 7 hours32.4% 4 pts below the national average of 36.4%
Stroke3.9% 0.5 pts above the national average of 3.4%
All natural teeth lost10.8% 2.2 pts below the national average of 13%
Vision disability4.4% 1.2 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments27
People employed231
Annual payroll$11,300,000
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 71.9% of US census tracts
FEMA ratingRelatively Moderate
Expected annual loss73.8 out of 100
Community resilience53.1 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.

Drought99Relatively High at its worst in this ZIP code
Strong wind98Very High at its worst in this ZIP code
Hail86.6Relatively High at its worst in this ZIP code
Winter weather85.9Relatively High at its worst in this ZIP code
Landslide85.3Relatively Low at its worst in this ZIP code
Wildfire79.3Relatively Low at its worst in this ZIP code
Tornado78.4Relatively High at its worst in this ZIP code
Cold wave77.4Relatively High at its worst in this ZIP code
Ice storm64.4Relatively Moderate at its worst in this ZIP code
River flooding61.6Relatively Moderate at its worst in this ZIP code
Hurricane32.3Very Low at its worst in this ZIP code
Lightning29.2Relatively Low at its worst in this ZIP code
Earthquake15.1Very Low at its worst in this ZIP code
Heat wave12.3Very 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$72,981$73,147$78,538
Income per person$44,206$39,728$43,289
Poverty rate11.9%11%12.4%
Median home value$145,000$195,900$303,400
Median gross rent$893$949$1,348
Homeownership80.8%71.5%65%
Bachelor's degree or higher28.4%30.9%35%
Unemployment rate0.6%3.6%5.2%
Works from home12.7%10.4%13.5%
Born outside the US0.5%5.7%13.9%
Median age45.538.638.7
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 stationMARSHALLTOWN MUNI AP, IA US18.2 km away
Rain in a year33 in

Average high and low by month

January27.7°F / 10.1°F0.77 in rain
February32.4°F / 14°F0.51 in rain
March45.9°F / 25.6°F1.64 in rain
April60°F / 36.5°F3.69 in rain
May71.2°F / 48.7°F4.88 in rain
June80.6°F / 58.9°F5.32 in rain
July83.1°F / 62.2°F3.67 in rain
August81°F / 59.5°F3.88 in rain
September75.1°F / 50.6°F3.2 in rain
October61.8°F / 38.7°F2.45 in rain
November46.1°F / 26.3°F1.74 in rain
December33°F / 15.7°F1.01 in rain
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 2 school districts, so the address decides which one, not the ZIP code.

Gladbrook-Reinbeck Community School District91.5% of this ZIP code's land area
GMG Community School District8.2% 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 vulnerability21more vulnerable than 21% of US census tracts
Socioeconomic status19more vulnerable than 19% of US census tracts
Household characteristics18more vulnerable than 18% of US census tracts
Racial and ethnic minority status13more vulnerable than 13% of US census tracts
Housing type and transport49more vulnerable than 49% of US census tracts
Walkability4.5 out of 20Least walkable
Nearby ZIP codes

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

50652 Lincoln, IA9.8 km away
50632 Garwin, IA10.2 km away
50609 Beaman, IA10.7 km away
50621 Conrad, IA15.5 km away
50669 Reinbeck, IA18 km away
50657 Morrison, IA18.7 km away
50675 Traer, IA19.1 km away
50142 Le Grand, IA19.7 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.

Tama County95.9% of this ZIP code's land area
Marshall County4.1% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area82.81 sq mi
Water area0.16 sq mi
Population density18 people per sq mi
Latitude, longitude42.1774, -92.7141

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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