Postal Codes

51054 ZIP Code

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ZIP code 51054 covers Sergeant Bluff, Iowa, with a population of about 5,596 and a median household income of $121,228.

Population
5,596145 per square mile
Median age
36.42.3 points below the US average
Median household income
$121,2281.7× the Iowa median
Poverty rate
7.1%5.3 points below the US average
Typical home value
$366,569up 30.7% in five years
Median rent
$1,2321.3× the Iowa median
Degree or higher
38.3%3.3 points above the US average
Homeownership
75.7%10.7 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
118

Where 51054 is

Sergeant Bluff, 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

Population5,596
Median age36.4
Family households81.3%
Born outside the US3.5%
Speaks a language other than English at home4.7%
White (non-Hispanic)88.6%
Black (non-Hispanic)0.9%
Asian (non-Hispanic)3.4%
Hispanic or Latino2.6%
Veterans5.5%
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$121,228
Income per person$46,678
Poverty rate7.1%
Households on SNAP or cash assistance8.2%

Household income distribution

Under $10k4.9%
$10–15k0.6%
$15–20k2.1%
$20–25k4.2%
$25–30k0.6%
$30–35k4.1%
$35–40k0.4%
$40–45k0.0%
$45–50k1.0%
$50–60k2.9%
$60–75k4.1%
$75–100k8.1%
$100–125k22.1%
$125–150k11.4%
$150–200k17.0%
$200k or more16.6%

Income as declared to the IRS

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

Tax returns filed2,820
Mean adjusted gross income$86,047
Returns declaring $200,000 or more7.8%
Returns, under $25k25.5%
Returns, $25k–$50k19.9%
Returns, $50k–$75k14.9%
Returns, $75k–$100k10.3%
Returns, $100k–$200k21.6%
Returns, $200k or more7.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$292,600
Median gross rent$1,232
Rent as a share of household income19%
Owner-occupied75.7%
Vacant homes5.1%
Median year built1998

What the homes are

Detached house62.5%
Attached house22.2%
2 to 4 units0.6%
5 to 19 units2.9%
20 or more units5.5%
Mobile home6.2%
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$366,569as of 2026-07
Typical home value, 1 yearup 4.6%
Typical home value, 5 yearsup 30.7%
Typical home value, 10 yearsup 65.2%
Typical home value since 2000
200920172026$366,569$168,929

$171,547 in 2009 to $366,569 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate3.8%
Bachelor's degree or higher38.3%
High school diploma or higher97%
Works from home5.2%
Drives to work alone86.4%
Takes public transport0%
Commutes 45 minutes or more1.4%
Health

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

Obesity35.7% 2.3 pts above the national average of 33.4%
Diagnosed diabetes9.6% 2.4 pts below the national average of 12%
Currently smokes12.4% 0.8 pts below the national average of 13.2%
High blood pressure31.5% 2.6 pts below the national average of 34.1%
Fair or poor general health14.5% 5.8 pts below the national average of 20.3%
No health insurance (18–64)5.6% 5.7 pts below the national average of 11.3%
Depression19.9% 2 pts below the national average of 21.9%
No leisure-time physical activity21.4% 4 pts below the national average of 25.4%
Arthritis23.5% 1.6 pts below the national average of 25.1%
Binge drinking21.7% 5.7 pts above the national average of 16%
Taking blood pressure medication77.5% 2.8 pts above the national average of 74.7%
Cancer (non-skin)8.2% 0.5 pts above the national average of 7.7%
Current asthma9.5% 0.9 pts below the national average of 10.4%
Coronary heart disease5.3% 0.9 pts below the national average of 6.2%
Routine check-up in past year78% 1.3 pts above the national average of 76.7%
Cholesterol screening86.2% same as the national average of 85.9%
Cognitive disability11.5% 3.3 pts below the national average of 14.8%
Colorectal screening63.6% 0.7 pts below the national average of 64.3%
COPD5.4% 1.2 pts below the national average of 6.6%
Visited a dentist68.7% 7.4 pts above the national average of 61.3%
Any disability23.1% 7.6 pts below the national average of 30.7%
Lacks emotional support22.2% 2.6 pts below the national average of 24.8%
Food insecurity8.3% 8.8 pts below the national average of 17.1%
Received food stamps6.7% 7.6 pts below the national average of 14.3%
Hearing disability6.2% 0.5 pts below the national average of 6.7%
High cholesterol33.2% 3 pts below the national average of 36.2%
Housing insecurity7.6% 6.2 pts below the national average of 13.8%
Independent living disability5.9% 2.5 pts below the national average of 8.4%
Lacks transport5.4% 3.8 pts below the national average of 9.2%
Loneliness30.5% 3.9 pts below the national average of 34.4%
Mammography use77.1% 1.2 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 disability9.9% 4.1 pts below the national average of 14%
Poor physical health (14+ days)11.5% 2 pts below the national average of 13.5%
Self-care disability2.7% 1.3 pts below the national average of 4%
Utility shut-off threat5.2% 3.6 pts below the national average of 8.8%
Sleeps under 7 hours30% 6.4 pts below the national average of 36.4%
Stroke2.7% 0.7 pts below the national average of 3.4%
All natural teeth lost7.6% 5.4 pts below the national average of 13%
Vision disability3.3% 2.3 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments118
People employed2,052
Annual payroll$130,158,000
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 77.1% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 5 census tracts this ZIP code covers
Expected annual loss83.3 out of 100
Community resilience81.4 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.

Tornado96.4Very High at its worst in this ZIP code
Hail96.3Very High at its worst in this ZIP code
Drought95.8Relatively High at its worst in this ZIP code
Wildfire92.8Relatively Moderate at its worst in this ZIP code
Landslide92.5Relatively Moderate at its worst in this ZIP code
Winter weather86.9Very High at its worst in this ZIP code
Strong wind86.3Very High at its worst in this ZIP code
Ice storm85.9Relatively High at its worst in this ZIP code
Cold wave83.7Relatively High at its worst in this ZIP code
Heat wave63.8Relatively Moderate at its worst in this ZIP code
River flooding63.7Relatively High at its worst in this ZIP code
Lightning43.8Relatively Moderate at its worst in this ZIP code
Earthquake18.2Relatively 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$121,228$73,147$78,538
Income per person$46,678$39,728$43,289
Poverty rate7.1%11%12.4%
Median home value$292,600$195,900$303,400
Median gross rent$1,232$949$1,348
Homeownership75.7%71.5%65%
Bachelor's degree or higher38.3%30.9%35%
Unemployment rate3.8%3.6%5.2%
Works from home5.2%10.4%13.5%
Born outside the US3.5%5.7%13.9%
Median age36.438.638.7
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 CITY ANG, IA US2.1 km away
Rain in a year30 in

Average high and low by month

January29.7°F / 8.7°F0.66 in rain
February34.6°F / 12.5°F0.88 in rain
March47.4°F / 23.9°F1.62 in rain
April60.7°F / 34.8°F3.07 in rain
May71.6°F / 47.3°F4.44 in rain
June82.1°F / 57.9°F4.62 in rain
July85.7°F / 63.3°F3.36 in rain
August83°F / 60.9°F3.93 in rain
September77.3°F / 50.9°F2.99 in rain
October63.8°F / 37.3°F2.38 in rain
November47.3°F / 24.3°F1.36 in rain
December33.9°F / 13.7°F0.97 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 supermarket13% of this ZIP code's area
Far from a supermarket13% of this ZIP code's area
No vehicle and far from a supermarket13% of this ZIP code's area
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.

Sergeant Bluff-Luton Community School District86.9% of this ZIP code's land area
Westwood Community School District9.7% of this ZIP code's land area
Lawton-Bronson Community School District3.5% 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 vulnerability35more vulnerable than 35% of US census tracts
Socioeconomic status28more vulnerable than 28% of US census tracts
Household characteristics61more vulnerable than 61% of US census tracts
Racial and ethnic minority status21more vulnerable than 21% of US census tracts
Housing type and transport41more vulnerable than 41% of US census tracts
Walkability7 out of 20Below average
Nearby ZIP codes

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

51111 Sioux City, IA1.7 km away
51102 Sioux City, IA4.7 km away
51106 Sioux City, IA7.3 km away
68731 Dakota City, NE8.6 km away
68776 South Sioux City, NE8.9 km away
51052 Salix, IA9.6 km away
51101 Sioux City, IA11.3 km away
51105 Sioux City, IA11.5 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.

Woodbury County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area38.68 sq mi
Water area0.79 sq mi
Population density145 people per sq mi
Latitude, longitude42.4019, -96.3534

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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