Postal Codes

51011 ZIP Code

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ZIP code 51011 covers Chatsworth, Iowa, with a median household income of $45,556.

Median household income
$45,55638% below the Iowa median
Poverty rate
15%2.6 points above the US average
Median rent
$74022% below the Iowa median
Degree or higher
4.2%30.8 points below the US average
Homeownership
81%16 points above the US average
Time zone
Central UTC-06:00observes daylight saving time

Where 51011 is

Chatsworth, 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

Family households54.8%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)100%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans8.6%
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$45,556
Income per person$27,789
Poverty rate15%
Households on SNAP or cash assistance11.9%

Household income distribution

Under $10k14.3%
$10–15k4.8%
$15–20k0.0%
$20–25k0.0%
$25–30k0.0%
$30–35k2.4%
$35–40k11.9%
$40–45k11.9%
$45–50k21.4%
$50–60k0.0%
$60–75k4.8%
$75–100k19.0%
$100–125k7.1%
$125–150k0.0%
$150–200k0.0%
$200k or more2.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median gross rent$740
Rent as a share of household income26%
Owner-occupied81%
Vacant homes31.1%
Median year built1951

What the homes are

Detached house72.1%
5 to 19 units18%
Mobile home9.8%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher4.2%
High school diploma or higher93.8%
Works from home7.9%
Drives to work alone86.8%
Takes public transport0%
Commutes 45 minutes or more25.7%
Health

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

Obesity35.3% 1.9 pts above the national average of 33.4%
Diagnosed diabetes12.7% 0.7 pts above the national average of 12%
Currently smokes17.4% 4.2 pts above the national average of 13.2%
High blood pressure38.2% 4.1 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)7.2% 4.1 pts below the national average of 11.3%
Depression20.8% 1.1 pts below the national average of 21.9%
No leisure-time physical activity26.6% 1.2 pts above the national average of 25.4%
Arthritis27.2% 2.1 pts above the national average of 25.1%
Binge drinking19.9% 3.9 pts above the national average of 16%
Taking blood pressure medication79% 4.3 pts above the national average of 74.7%
Cancer (non-skin)9.1% 1.4 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease7.8% 1.6 pts above the national average of 6.2%
Routine check-up in past year77.4% 0.7 pts above the national average of 76.7%
Cholesterol screening82.9% 3 pts below the national average of 85.9%
Cognitive disability15.3% 0.5 pts above the national average of 14.8%
Colorectal screening69.3% 5 pts above the national average of 64.3%
COPD8.6% 2 pts above the national average of 6.6%
Visited a dentist62.6% 1.3 pts above the national average of 61.3%
Any disability30% 0.7 pts below the national average of 30.7%
Lacks emotional support25.2% same as the national average of 24.8%
Food insecurity12.6% 4.5 pts below the national average of 17.1%
Received food stamps9.7% 4.6 pts below the national average of 14.3%
Hearing disability8.3% 1.6 pts above the national average of 6.7%
High cholesterol39.9% 3.7 pts above the national average of 36.2%
Housing insecurity8.8% 5 pts below the national average of 13.8%
Independent living disability8.3% same as the national average of 8.4%
Lacks transport7.1% 2.1 pts below the national average of 9.2%
Loneliness34% same as the national average of 34.4%
Mammography use83% 7.1 pts above the national average of 75.9%
Poor mental health (14+ days)16.9% same as the national average of 16.8%
Mobility disability14.4% same as the national average of 14%
Poor physical health (14+ days)14.7% 1.2 pts above the national average of 13.5%
Self-care disability4.1% same as the national average of 4%
Utility shut-off threat5.9% 2.9 pts below the national average of 8.8%
Sleeps under 7 hours26.7% 9.7 pts below the national average of 36.4%
Stroke3.7% same as the national average of 3.4%
All natural teeth lost13.3% same as the national average of 13%
Vision disability4.8% 0.8 pts below the national average of 5.6%
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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 94.1% of US census tracts
FEMA ratingRelatively High
Expected annual loss96.4 out of 100
Community resilience92 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 weather98.7Very High at its worst in this ZIP code
Tornado98Very High at its worst in this ZIP code
Drought97.3Relatively Moderate at its worst in this ZIP code
River flooding93.8Relatively High at its worst in this ZIP code
Ice storm92.7Relatively High at its worst in this ZIP code
Cold wave91.2Relatively High at its worst in this ZIP code
Strong wind90.9Relatively High at its worst in this ZIP code
Landslide87Relatively Low at its worst in this ZIP code
Wildfire86Relatively Low at its worst in this ZIP code
Lightning65.4Relatively Moderate at its worst in this ZIP code
Heat wave52.6Relatively Low at its worst in this ZIP code
Earthquake16.8Very 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$45,556$73,147$78,538
Income per person$27,789$39,728$43,289
Poverty rate15%11%12.4%
Median home value$195,900$303,400
Median gross rent$740$949$1,348
Homeownership81%71.5%65%
Bachelor's degree or higher4.2%30.9%35%
Unemployment rate0%3.6%5.2%
Works from home7.9%10.4%13.5%
Born outside the US0%5.7%13.9%
Median age38.638.7
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 stationHAWARDEN, IA US9.9 km away
Rain in a year30 in
Snow in a year31 in

Average high and low by month

January26.9°F / 7.2°F0.7 in rain, 6.8 in snow
February32°F / 11.3°F0.79 in rain, 6.4 in snow
March44.9°F / 22.8°F1.69 in rain, 4.4 in snow
April59.2°F / 34°F3.15 in rain, 2.3 in snow
May70.7°F / 46.7°F4.04 in rain, 0.2 in snow
June80.8°F / 58°F4.36 in rain
July84.9°F / 62.1°F3.19 in rain
August82.7°F / 59.3°F3.57 in rain
September75.9°F / 49.7°F3.25 in rain
October61.8°F / 36.4°F2.54 in rain, 0.1 in snow
November45.2°F / 23.4°F1.31 in rain, 3.1 in snow
December31.4°F / 12.7°F1.27 in rain, 7.3 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%.

West Sioux 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 vulnerability77more vulnerable than 77% of US census tracts
Socioeconomic status50more vulnerable than 50% of US census tracts
Household characteristics92more vulnerable than 92% of US census tracts
Racial and ethnic minority status41more vulnerable than 41% of US census tracts
Housing type and transport89more vulnerable than 89% of US census tracts
Walkability5.9 out of 20Below average
Nearby ZIP codes

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

51001 Akron, IA9 km away
51023 Hawarden, IA10 km away
57001 Alcester, SD13.8 km away
51027 Ireton, IA16.5 km away
57034 Hudson, SD23.6 km away
51008 Brunsville, IA23.7 km away
57025 Elk Point, SD24.3 km away
51062 Westfield, IA24.6 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.

Sioux County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area0.42 sq mi
Latitude, longitude42.9163, -96.5145

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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