Postal Codes

68776 ZIP Code

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ZIP code 68776 covers South Sioux City, Nebraska, with a population of about 15,034 and a median household income of $68,686.

Population
15,034678 per square mile
Median age
31.17.6 points below the US average
Median household income
$68,6868% below the Nebraska median
Poverty rate
11.6%0.8 points below the US average
Typical home value
$237,075up 34.8% in five years
Median rent
$1,069about the Nebraska median
Degree or higher
15.5%19.5 points below the US average
Homeownership
58.2%6.8 points below the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
316

Where 68776 is

South Sioux City, Nebraska — 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

Population15,034
Median age31.1
Family households66.6%
Born outside the US29.4%
Speaks a language other than English at home49.3%
White (non-Hispanic)31.5%
Black (non-Hispanic)11.4%
Asian (non-Hispanic)3.3%
Hispanic or Latino48.8%
Veterans4.1%
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$68,686
Income per person$29,214
Poverty rate11.6%
Households on SNAP or cash assistance8.4%

Household income distribution

Under $10k2.7%
$10–15k3.3%
$15–20k2.3%
$20–25k3.0%
$25–30k5.1%
$30–35k4.6%
$35–40k6.9%
$40–45k4.2%
$45–50k3.3%
$50–60k7.8%
$60–75k10.0%
$75–100k15.8%
$100–125k11.3%
$125–150k11.0%
$150–200k6.0%
$200k or more2.7%

Income as declared to the IRS

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

Tax returns filed7,740
Mean adjusted gross income$55,084
Returns declaring $200,000 or more1.6%
Returns, under $25k28.7%
Returns, $25k–$50k27.3%
Returns, $50k–$75k22.7%
Returns, $75k–$100k9.3%
Returns, $100k–$200k10.5%
Returns, $200k or more1.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$161,100
Median gross rent$1,069
Rent as a share of household income26.4%
Owner-occupied58.2%
Vacant homes6.3%
Median year built1974

What the homes are

Detached house59%
Attached house2.2%
2 to 4 units6.5%
5 to 19 units17%
20 or more units5.4%
Mobile home9.9%
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$237,075as of 2026-07
Typical home value, 1 yearup 5.2%
Typical home value, 5 yearsup 34.8%
Typical home value, 10 yearsup 91.9%
Typical home value since 2000
200920172026$237,075$103,611

$103,611 in 2009 to $237,075 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.4%
Bachelor's degree or higher15.5%
High school diploma or higher79.2%
Works from home7.4%
Drives to work alone74.2%
Takes public transport1.1%
Commutes 45 minutes or more1.8%
Health

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

Obesity44.6% 11.2 pts above the national average of 33.4%
Diagnosed diabetes12.1% same as the national average of 12%
Currently smokes14.4% 1.2 pts above the national average of 13.2%
High blood pressure29.9% 4.2 pts below the national average of 34.1%
Fair or poor general health20.6% same as the national average of 20.3%
No health insurance (18–64)19.3% 8 pts above the national average of 11.3%
Depression15.8% 6.1 pts below the national average of 21.9%
No leisure-time physical activity33.3% 7.9 pts above the national average of 25.4%
Arthritis20.1% 5 pts below the national average of 25.1%
Binge drinking18.5% 2.5 pts above the national average of 16%
Taking blood pressure medication74.7% same as the national average of 74.7%
Cancer (non-skin)5.9% 1.8 pts below the national average of 7.7%
Current asthma9% 1.4 pts below the national average of 10.4%
Coronary heart disease5.6% 0.6 pts below the national average of 6.2%
Routine check-up in past year73.8% 2.9 pts below the national average of 76.7%
Cholesterol screening80.2% 5.7 pts below the national average of 85.9%
Cognitive disability14.2% 0.6 pts below the national average of 14.8%
Colorectal screening57.2% 7.1 pts below the national average of 64.3%
COPD5.9% 0.7 pts below the national average of 6.6%
Visited a dentist57.7% 3.6 pts below the national average of 61.3%
Any disability31.5% 0.8 pts above the national average of 30.7%
Lacks emotional support27.3% 2.5 pts above the national average of 24.8%
Food insecurity21.1% 4 pts above the national average of 17.1%
Received food stamps13.7% 0.6 pts below the national average of 14.3%
Hearing disability7% same as the national average of 6.7%
High cholesterol32.1% 4.1 pts below the national average of 36.2%
Housing insecurity16.2% 2.4 pts above the national average of 13.8%
Independent living disability7.8% 0.6 pts below the national average of 8.4%
Lacks transport10% 0.8 pts above the national average of 9.2%
Loneliness33.9% 0.5 pts below the national average of 34.4%
Mammography use73.8% 2.1 pts below the national average of 75.9%
Poor mental health (14+ days)14.6% 2.2 pts below the national average of 16.8%
Mobility disability13.4% 0.6 pts below the national average of 14%
Poor physical health (14+ days)12.5% 1 pts below the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Utility shut-off threat9.7% 0.9 pts above the national average of 8.8%
Sleeps under 7 hours34.4% 2 pts below the national average of 36.4%
Stroke3.1% same as the national average of 3.4%
All natural teeth lost17.7% 4.7 pts above the national average of 13%
Vision disability6.2% 0.6 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments316
People employed6,370
Annual payroll$350,493,000
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 76.7% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 5 census tracts this ZIP code covers
Expected annual loss76.1 out of 100
Community resilience4.1 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.

Tornado98.6Very High at its worst in this ZIP code
Hail94Very High at its worst in this ZIP code
Strong wind93.2Very High at its worst in this ZIP code
Wildfire92.1Relatively High at its worst in this ZIP code
Ice storm91.9Relatively High at its worst in this ZIP code
Winter weather90.8Relatively High at its worst in this ZIP code
Drought90.7Relatively High at its worst in this ZIP code
Heat wave85Relatively High at its worst in this ZIP code
Lightning70.1Relatively Moderate at its worst in this ZIP code
River flooding69.8Relatively High at its worst in this ZIP code
Cold wave63.5Relatively Moderate at its worst in this ZIP code
Landslide57.3Relatively Moderate at its worst in this ZIP code
Earthquake16.5Very Low at its worst in this ZIP code
Compared with Nebraska 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 ZIPNebraskaUnited States
Median household income$68,686$74,985$78,538
Income per person$29,214$40,637$43,289
Poverty rate11.6%10.3%12.4%
Median home value$161,100$223,800$303,400
Median gross rent$1,069$1,035$1,348
Homeownership58.2%66.5%65%
Bachelor's degree or higher15.5%34.1%35%
Unemployment rate4.4%3%5.2%
Works from home7.4%10%13.5%
Born outside the US29.4%7.7%13.9%
Median age31.137.138.7
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 US8.4 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 supermarket24% of this ZIP code's area
Far from a supermarket24% of this ZIP code's area
No vehicle and far from a supermarket24% 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 2 school districts, so the address decides which one, not the ZIP code.

South Sioux City Community Schools78.6% of this ZIP code's land area
Homer Community Schools21.4% 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 vulnerability76more vulnerable than 76% of US census tracts
Socioeconomic status59more vulnerable than 59% of US census tracts
Household characteristics73more vulnerable than 73% of US census tracts
Racial and ethnic minority status64more vulnerable than 64% of US census tracts
Housing type and transport84more vulnerable than 84% of US census tracts
Walkability7.9 out of 20Below average
Nearby ZIP codes

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

51101 Sioux City, IA3.7 km away
51103 Sioux City, IA4.7 km away
51105 Sioux City, IA5.1 km away
51106 Sioux City, IA5.4 km away
51104 Sioux City, IA6.8 km away
51111 Sioux City, IA7.4 km away
51109 Sioux City, IA7.7 km away
51054 Sergeant Bluff, IA8.9 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.

Dakota County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area22.18 sq mi
Water area0.98 sq mi
Population density678 people per sq mi
Latitude, longitude42.4656, -96.4182

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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