Postal Codes

51033 ZIP Code

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ZIP code 51033 covers Linn Grove, Iowa, with a population of about 396.

Population
3966 per square mile
Median age
45.56.8 points above the US average
Poverty rate
5.3%7.1 points below the US average
Typical home value
$206,200up 30.9% in five years
Median rent
$1,2811.3× the Iowa median
Degree or higher
16.4%18.6 points below the US average
Homeownership
87.4%22.4 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
12

Where 51033 is

Linn Grove, 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

Population396
Median age45.5
Family households58%
Born outside the US4.8%
Speaks a language other than English at home8.4%
White (non-Hispanic)89.9%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino7.3%
Veterans6.9%
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

Income per person$36,748
Poverty rate5.3%
Households on SNAP or cash assistance6.9%

Household income distribution

Under $10k0.6%
$10–15k3.4%
$15–20k1.1%
$20–25k0.0%
$25–30k3.4%
$30–35k0.0%
$35–40k28.7%
$40–45k3.4%
$45–50k2.3%
$50–60k4.0%
$60–75k10.3%
$75–100k13.2%
$100–125k12.1%
$125–150k12.6%
$150–200k1.1%
$200k or more3.4%

Income as declared to the IRS

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

Tax returns filed210
Mean adjusted gross income$80,338
Returns declaring $200,000 or more0%
Returns, under $25k23.8%
Returns, $25k–$50k19.0%
Returns, $50k–$75k19.0%
Returns, $75k–$100k14.3%
Returns, $100k–$200k23.8%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median gross rent$1,281
Rent as a share of household income14.7%
Owner-occupied87.4%
Vacant homes7%
Median year built1952

What the homes are

Detached house100%
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$206,200as of 2026-07
Typical home value, 1 yearup 1.2%
Typical home value, 5 yearsup 30.9%
Typical home value, 10 yearsup 77.5%
Typical home value since 2000
201620212026$206,200$116,168

$116,168 in 2016 to $206,200 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.2%
Bachelor's degree or higher16.4%
High school diploma or higher88.8%
Works from home20.9%
Drives to work alone68.7%
Takes public transport0%
Commutes 45 minutes or more5.4%
Health

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

Obesity37.8% 4.4 pts above the national average of 33.4%
Diagnosed diabetes14.4% 2.4 pts above the national average of 12%
Currently smokes15.8% 2.6 pts above the national average of 13.2%
High blood pressure41.9% 7.8 pts above the national average of 34.1%
Fair or poor general health20.3% same as the national average of 20.3%
No health insurance (18–64)6.8% 4.5 pts below the national average of 11.3%
Depression19.1% 2.8 pts below the national average of 21.9%
No leisure-time physical activity27.7% 2.3 pts above the national average of 25.4%
Arthritis34.9% 9.8 pts above the national average of 25.1%
Binge drinking16% same as the national average of 16%
Taking blood pressure medication83.5% 8.8 pts above the national average of 74.7%
Cancer (non-skin)12% 4.3 pts above the national average of 7.7%
Current asthma10% same as the national average of 10.4%
Coronary heart disease9.1% 2.9 pts above the national average of 6.2%
Routine check-up in past year81.9% 5.2 pts above the national average of 76.7%
Cholesterol screening89.2% 3.3 pts above the national average of 85.9%
Cognitive disability12.4% 2.4 pts below the national average of 14.8%
Colorectal screening67.3% 3 pts above the national average of 64.3%
COPD9.2% 2.6 pts above the national average of 6.6%
Visited a dentist68.6% 7.3 pts above the national average of 61.3%
Any disability30.5% same as the national average of 30.7%
Lacks emotional support22.6% 2.2 pts below the national average of 24.8%
Food insecurity10.7% 6.4 pts below the national average of 17.1%
Received food stamps9.4% 4.9 pts below the national average of 14.3%
Hearing disability9.8% 3.1 pts above the national average of 6.7%
High cholesterol42.1% 5.9 pts above the national average of 36.2%
Housing insecurity8% 5.8 pts below the national average of 13.8%
Independent living disability7.8% 0.6 pts below the national average of 8.4%
Lacks transport5.8% 3.4 pts below the national average of 9.2%
Loneliness30.1% 4.3 pts below the national average of 34.4%
Mammography use75.3% 0.6 pts below the national average of 75.9%
Poor mental health (14+ days)14.5% 2.3 pts below the national average of 16.8%
Mobility disability16.7% 2.7 pts above the national average of 14%
Poor physical health (14+ days)14.8% 1.3 pts above the national average of 13.5%
Self-care disability4.1% same as the national average of 4%
Utility shut-off threat5.6% 3.2 pts below the national average of 8.8%
Sleeps under 7 hours30.9% 5.5 pts below the national average of 36.4%
Stroke4.4% 1 pts above the national average of 3.4%
All natural teeth lost12.3% 0.7 pts below the national average of 13%
Vision disability4.8% 0.8 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments12
People employed28
Annual payroll$896,000
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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 89.3% of US census tracts
FEMA ratingRelatively High
Expected annual loss88.6 out of 100
Community resilience50.8 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.

Hail99.5Very High at its worst in this ZIP code
Drought97.3Relatively Moderate at its worst in this ZIP code
Winter weather95.9Very High at its worst in this ZIP code
Strong wind94.9Very High at its worst in this ZIP code
Tornado90.9Relatively High at its worst in this ZIP code
River flooding90.7Relatively High at its worst in this ZIP code
Cold wave89.8Relatively High at its worst in this ZIP code
Landslide89.7Relatively Low at its worst in this ZIP code
Wildfire79Relatively Low at its worst in this ZIP code
Ice storm77.5Relatively Moderate at its worst in this ZIP code
Lightning41.3Relatively Low at its worst in this ZIP code
Heat wave15.3Very Low at its worst in this ZIP code
Earthquake12.8Very 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$73,147$78,538
Income per person$36,748$39,728$43,289
Poverty rate5.3%11%12.4%
Median home value$195,900$303,400
Median gross rent$1,281$949$1,348
Homeownership87.4%71.5%65%
Bachelor's degree or higher16.4%30.9%35%
Unemployment rate1.2%3.6%5.2%
Works from home20.9%10.4%13.5%
Born outside the US4.8%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 stationSIOUX RAPIDS 4 E, IA US15.3 km away
Rain in a year32 in
Snow in a year35 in

Average high and low by month

January25.3°F / 8.2°F0.62 in rain, 8 in snow
February29.9°F / 12.8°F0.83 in rain, 6.9 in snow
March43.1°F / 24.7°F1.76 in rain, 6.5 in snow
April58.2°F / 36°F3.58 in rain, 2.3 in snow
May69.9°F / 48.3°F4.19 in rain, 0.3 in snow
June79.9°F / 59.1°F5.05 in rain
July81.9°F / 62.2°F3.29 in rain
August79.2°F / 59.3°F4.41 in rain
September73.6°F / 51.1°F3.39 in rain
October60.5°F / 38.5°F2.51 in rain, 0.7 in snow
November43.9°F / 25.1°F1.42 in rain, 3.8 in snow
December29.8°F / 14°F0.94 in rain, 6.7 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.

Sioux Central Community School District78.6% of this ZIP code's land area
Clay Central-Everly Community School District17.6% of this ZIP code's land area
Alta-Aurelia Community School District3.8% 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 vulnerability33more vulnerable than 33% of US census tracts
Socioeconomic status24more vulnerable than 24% of US census tracts
Household characteristics66more vulnerable than 66% of US census tracts
Racial and ethnic minority status18more vulnerable than 18% of US census tracts
Housing type and transport39more vulnerable than 39% 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.

50576 Rembrandt, IA8.8 km away
51047 Peterson, IA9.6 km away
50585 Sioux Rapids, IA9.8 km away
50592 Truesdale, IA17.3 km away
51357 Royal, IA19.5 km away
50565 Marathon, IA21.9 km away
51058 Sutherland, IA22.2 km away
51002 Alta, IA22.5 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.

Clay County50.1% of this ZIP code's land area
Buena Vista County49.9% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area61.49 sq mi
Water area0.05 sq mi
Population density6 people per sq mi
Latitude, longitude42.8742, -95.2512

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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