68731
ZIP 68731 is Dakota City, Nebraska, in Dakota County; area codes 402 and 531; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Dakota
- Metro area
- Sioux City, IA-NE-SD
- Population
- 3,469
- Coordinates
- 42.4078, -96.4921
Weather right now
Asking the National Weather Service…
Where 68731 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 68731 into a pocket calculator and turn it upside down: IELBg — not quite a word, sorry.
- ➕ As a number, 68,731 = 13 × 17 × 311. Its digits add up to 25, a total 2,242 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10000110001111011 - 🏠 Its numerical neighbours: 68730 (Crofton, NE, 59 mi away) and 68732 (Dixon, NE, 25 mi away).
- 🔄 Backwards, 68731 becomes 13786 — and that is a real ZIP code: Harpersfield, NY, 1,108 miles away.
- 👥 43 other ZIP codes are made of exactly the same digits (13678, 13687, 13786, 16738, 16837, 16873, …). The farthest-flung twin is 13786 in Harpersfield, NY, 1,108 miles away.
- 🧭 Farther north than 78% of all ZIP codes, and farther west than 72%.
- 🎯209 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 68731 and you would come out at 42.41°S, 83.51°E — 797 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 17m of daylight. Shortest: 9h 04m.
- 📏 At 36.4 square miles of land, 68731 is bigger than 51% of ZIP codes — room for about 28 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,469This ZIP3,469 |
|---|---|
| Households | 1,030This ZIP1,030 |
| Housing units | 1,051This ZIP1,051 |
| Median age | 36.9This ZIP36.9Nebraska37.2US 38.9 |
| Median household income | $79,924This ZIP$79,924Nebraska$76,475US $80,734 |
| Median home value | $205,600This ZIP$205,600Nebraska$238,600US $332,700 |
| Median gross rent | $667This ZIP$667Nebraska$1,072US $1,413 |
| Bachelor's degree or higher | 11.6%This ZIP11.6% |
| Mean commute | 15.8 minThis ZIP15.8 min |
| Population density | 95.2 / sq miThis ZIP95.2 / sq mi |
Business and tax activity
| Business establishments | 47This ZIP47 |
|---|---|
| Employees | 4,571This ZIP4,571 |
| Annual payroll | $264,050,000This ZIP$264,050,000 |
| Tax returns filed | 1,290This ZIP1,290 |
| Total adjusted gross income | $92,662,000This ZIP$92,662,000 |
Land area
| Land area | 36.43 sq miThis ZIP36.43 sq mi |
|---|---|
| Water area | 0.38 sq miThis ZIP0.38 sq mi |
Other place names in 68731
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 68731
| ZIP | City | Distance |
|---|---|---|
68776 | South Sioux City, NE | 4.3 mi |
51111 | Sioux City, IA | 5.1 mi |
68741 | Hubbard, NE | 6.0 mi |
68030 | Homer, NE | 6.3 mi |
51101 | Sioux City, IA | 7.8 mi |
57049 | North Sioux City, SD | 8.0 mi |
51103 | Sioux City, IA | 8.0 mi |
68743 | Jackson, NE | 8.1 mi |
51054 | Sergeant Bluff, IA | 8.2 mi |
51102 | Sioux City, IA | 9.3 mi |
Find every ZIP code within 10 miles of 68731 →
Questions about this ZIP code
Where is ZIP code 68731?
68731 is in Dakota City, Nebraska, in Dakota County, part of the Sioux City, IA-NE-SD metropolitan area. Its published point location is 42.4078, -96.4921.
What county is 68731 in?
68731 lies in Dakota County.
What area code is 68731?
Dakota City uses area codes 402 and 531, from NANPA's telephone records.
What time zone is 68731 in?
68731 uses America/Chicago.
How many people live in 68731?
About 3,469 people live in ZIP code 68731, in 1,030 households, at 95.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 68731?
$79,924 a year, against $76,475 across Nebraska.
What ZIP codes are near 68731?
The closest are 68776 (4.3 mi), 51111 (5.1 mi), 68741 (6 mi), 68030 (6.3 mi) and 51101 (7.8 mi).
Is 68731 a PO Box ZIP code?
68731 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “68731 ZIP Code — Dakota City, Nebraska (Dakota County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/68731
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/68731.json Underlying data is public domain or openly licensed — sources, vintages and licences.