Postal Codes

50620 ZIP Code

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ZIP code 50620 covers Colwell, Iowa.

Poverty rate
37%24.6 points above the US average
Median home value
$104,70047% below the Iowa median
Degree or higher
12.1%22.9 points below the US average
Time zone
Central UTC-06:00observes daylight saving time

Where 50620 is

Colwell, Iowa — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Born outside the US0%
Speaks a language other than English at home3.8%
White (non-Hispanic)100%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans2.5%
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

Poverty rate37%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$104,700
Median year built1938
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher12.1%
High school diploma or higher97%
Works from home0%
Drives to work alone78.1%
Takes public transport21.9%
Commutes 45 minutes or more3.1%
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 85.1% of US census tracts
FEMA ratingRelatively High
Expected annual loss88.3 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.

Drought98.9Relatively High at its worst in this ZIP code
Hail97.7Relatively High at its worst in this ZIP code
Tornado93.7Very High at its worst in this ZIP code
Winter weather92Relatively High at its worst in this ZIP code
Strong wind89.3Relatively High at its worst in this ZIP code
Cold wave85.2Relatively High at its worst in this ZIP code
River flooding85.2Relatively High at its worst in this ZIP code
Landslide80.7Very Low at its worst in this ZIP code
Wildfire78.3Relatively Low at its worst in this ZIP code
Ice storm54.4Relatively Low at its worst in this ZIP code
Lightning42.3Relatively Low at its worst in this ZIP code
Hurricane33.7Very Low at its worst in this ZIP code
Heat wave14.4Very Low at its worst in this ZIP code
Earthquake9.5Very 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$73,147$78,538
Income per person$39,728$43,289
Poverty rate37%11%12.4%
Median home value$104,700$195,900$303,400
Median gross rent$949$1,348
Homeownership71.5%65%
Bachelor's degree or higher12.1%30.9%35%
Unemployment rate0%3.6%5.2%
Works from home0%10.4%13.5%
Born outside the US0%5.7%13.9%
Median age38.638.7
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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 US12.7 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%.

Charles City 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 vulnerability40more vulnerable than 40% of US census tracts
Socioeconomic status51more vulnerable than 51% of US census tracts
Household characteristics17more vulnerable than 17% of US census tracts
Racial and ethnic minority status2more vulnerable than 2% of US census tracts
Housing type and transport62more vulnerable than 62% of US census tracts
Walkability4 out of 20Least walkable
Nearby ZIP codes

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

50435 Floyd, IA11 km away
50616 Charles City, IA12.2 km away
50460 Orchard, IA13.6 km away
50603 Alta Vista, IA13.6 km away
50661 North Washington, IA15 km away
50645 Ionia, IA15.6 km away
50628 Elma, IA20.5 km away
50461 Osage, IA23.1 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 area0.15 sq mi
Latitude, longitude43.1584, -92.5905

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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