Residential delivery area · Nebraska
ZIP Code 68731: Dakota City, NE
ZIP code 68731 uses the postal name Dakota City, Nebraska and lies entirely in Dakota County (Census 2020 ZIP-county file). About 3,500 people live there (Census Bureau, ACS 2020-2024). Median household income is $79,924 (Census Bureau, ACS 2020-2024). By Census place, 3% of its land lies in Dakota City; 97% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Dakota City · its only residential ZIP
- County
- Dakota County
- Census places
- Dakota City
- Metro area
- Sioux City, IA-NE-SD
- House district
- NE-3 119th Congress
- State
- Nebraska
- Time zone
- Central
- Land area
- 36.4 sq mi · 95 people per sq mi
Where is ZIP code 68731?
68731 centers on 42.408°, -96.492° and covers 36.4 square miles of land plus 0.4 of water. It borders 6 ZIP codes: 68776, 51111, 68741, 68030, 68743, 51054.
The map draws ZIP code areas only. For the streets inside 68731, 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 68731 compare with the rest of Dakota County?
| Measure | 68731 | In Dakota County | In NE |
|---|---|---|---|
| People (ACS 2020-2024) | 3,469 | 2nd of 8 | 104th of 586 |
| Median household income | $80k | 1st of 4 | 87th of 219 |
| Median home value | $206k | 1st of 4 | 108th of 225 |
Its median household income is higher than in 62% of U.S. residential ZIP codes, and it is denser than 53% 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 68731?
The 2020 Census counted 2,899 people in 68731; the ACS, which samples households over 2020-2024, estimates 3,469. Between the 2010 and 2020 censuses its population grew 9.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 3,469±408 (90% margin)
- 2020 Census count
- 2,899+9.9% since 2010 (2,637)
- Households
- 1,030
- Median age
- 36.9
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 68731?
Of the 3,469 people the ACS estimates in 68731, 24.0% are under 18 and 15.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (58.8%), then Hispanic or Latino (32.7%).
- Under 1824.0%
- 18 to 6460.2%
- 65 and older15.9%
- White, not Hispanic58.8%
- Hispanic or Latino32.7%
- Other or two or more5.5%
- Asian, not Hispanic2.8%
- Black, not Hispanic0.1%
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 68731 earn?
Median household income is $79,924 (ACS 2020-2024), the highest of the 4 ranked ZIP codes in Dakota County. It is not measurably different from 2015-2019 ($92,727 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $79,924±$14,876
- Income per person
- $31,348
- Below the poverty line
- 6.3%
- Unemployed (of the labor force)
- 4.6%
- Adults 25+ with a bachelor's degree
- 11.6%
- Adjusted gross income per tax return, 2022
- $71,8311,290 returns; wages 69% 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 68731?
FHFA's house price index for 68731, built from repeat sales and appraisals of the same homes, rose 94% from 2015 to 2025 and rose 60% from 2020 to 2025, and moved +1.3% in 2025.
- Median home value (owners' estimate)
- $205,600
- Median gross rent
- $667
- Homes owned by their occupants
- 85.0%
- Housing units
- 1,051
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 68731?
47 business establishments had a location in this ZIP code in 2023, 5 fewer than in 2018; the most are in manufacturing (ZIP Code Business Patterns).
- Manufacturing8
- Transportation and warehousing7
- Construction6
- Accommodation and food services5
- Other services (except public administration)5
- Retail trade3
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 68731?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 68776 | South Sioux City | 15,373 | $69k | 4.0 mi |
| 51111 | Sioux City, IA | 39 | – | 5.1 mi |
| 68741 | Hubbard | 585 | $80k | 6.0 mi |
| 68030 | Homer | 671 | $76k | 6.3 mi |
| 68743 | Jackson | 814 | $72k | 8.1 mi |
| 51054 | Sergeant Bluff, IA | 5,583 | $120k | 8.2 mi |
| 51101 | Sioux City, IA | 1,031 | $15k | 7.8 mi (near) |
| 51103 | Sioux City, IA | 16,895 | $58k | 8.0 mi (near) |
| 57049 | North Sioux City, SD | 7,962 | $93k | 8.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.