Residential delivery area · Nebraska
ZIP Code 68776: South Sioux City, NE
ZIP code 68776 uses the postal name South Sioux City, Nebraska and lies entirely in Dakota County (Census 2020 ZIP-county file). About 15,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $68,750 (Census Bureau, ACS 2020-2024). By Census place, 28% of its land lies in South Sioux City, and 2% in smaller places; 70% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- South Sioux City · its only residential ZIP
- County
- Dakota County
- Census places
- South Sioux City
- Metro area
- Sioux City, IA-NE-SD
- House district
- NE-3 119th Congress
- State
- Nebraska
- Time zone
- Central
- Land area
- 22.2 sq mi · 693 people per sq mi
Where is ZIP code 68776?
68776 centers on 42.457°, -96.451° and covers 22.2 square miles of land plus 1.0 of water. It borders 7 ZIP codes: 51111, 68731, 51103, 57049, 51106, 68743, 51109.
The map draws ZIP code areas only. For the streets inside 68776, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 68776 compare with the rest of Dakota County?
| Measure | 68776 | In Dakota County | In NE |
|---|---|---|---|
| People (ACS 2020-2024) | 15,373 | 1st of 8 | 45th of 586 |
| Median household income | $69k | 3rd of 4 | 137th of 219 |
| Median home value | $180k | 3rd of 4 | 136th of 225 |
Its median household income is higher than in 45% of U.S. residential ZIP codes, and it is denser than 75% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 68776?
The 2020 Census counted 16,007 people in 68776; the ACS, which samples households over 2020-2024, estimates 15,373. Between the 2010 and 2020 censuses its population grew 3.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 15,373
- 2020 Census count
- 16,007+3.6% since 2010 (15,447)
- Households
- 5,492
- Median age
- 30.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 68776?
Of the 15,373 people the ACS estimates in 68776, 30.7% are under 18 and 11.2% are 65 or older. The largest group by race and Hispanic origin is Hispanic or Latino (49.9%), then White (not Hispanic) (30.5%).
- Under 1830.7%
- 18 to 6458.1%
- 65 and older11.2%
- Hispanic or Latino49.9%
- White, not Hispanic30.5%
- Black, not Hispanic12.0%
- Other or two or more4.1%
- Asian, not Hispanic3.5%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 68776 earn?
Median household income is $68,750 (ACS 2020-2024), the 3rd highest of the 4 ranked ZIP codes in Dakota County. It is not measurably different from 2015-2019 ($67,383 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $68,750
- Income per person
- $31,725
- Below the poverty line
- 12.5%
- Unemployed (of the labor force)
- 4.9%
- Adults 25+ with a bachelor's degree
- 14.8%
- Adjusted gross income per tax return, 2022
- $55,0847,740 returns; wages 83% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 68776?
FHFA's house price index for 68776, built from repeat sales and appraisals of the same homes, rose 104% from 2015 to 2025 and rose 61% from 2020 to 2025, and moved +7.1% in 2025.
- Median home value (owners' estimate)
- $179,800
- Median gross rent
- $1,102
- Homes owned by their occupants
- 57.3%
- Housing units
- 5,722
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 68776?
320 business establishments had a location in this ZIP code in 2023, 8 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade53
- Accommodation and food services42
- Other services (except public administration)37
- Health care and social assistance36
- Construction32
- Manufacturing24
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 68776?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 51111 | Sioux City, IA | 39 | – | 4.0 mi |
| 68731 | Dakota City | 3,469 | $80k | 4.0 mi |
| 51103 | Sioux City, IA | 16,895 | $58k | 4.3 mi |
| 57049 | North Sioux City, SD | 7,962 | $93k | 5.5 mi |
| 51106 | Sioux City, IA | 28,592 | $78k | 7.1 mi |
| 68743 | Jackson | 814 | $72k | 8.9 mi |
| 51109 | Sioux City, IA | 3,606 | $79k | 10.6 mi |
| 51101 | Sioux City, IA | 1,031 | $15k | 3.8 mi (near) |
| 51105 | Sioux City, IA | 10,415 | $52k | 5.6 mi (near) |
| 51104 | Sioux City, IA | 23,197 | $75k | 5.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.