Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/51054

51054

ZIP 51054 is Sergeant Bluff, Iowa, in Woodbury County; area code 712; Central time.

Type
Standard
Time zone
America/Chicago
County
Woodbury
Population
5,583
Coordinates
42.3809, -96.3350
☼ Live from 51054 — Sergeant Bluff, IA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 51054 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.

★ Weird and wonderful facts about 51054
  • 🔢 Type 51054 into a pocket calculator and turn it upside down: hSOIS — not quite a word, sorry.
  • ➕ As a number, 51,054 = 2 × 3 × 67 × 127. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100011101101110
  • 🏠 Its numerical neighbours: 51053 (Schaller, IA, 54 mi away) and 51055 (Sloan, IA, 13 mi away).
  • 🔄 Backwards, 51054 becomes 45015 — and that is a real ZIP code: Hamilton, OH, 648 miles away.
  • 👥 37 other ZIP codes are made of exactly the same digits (01545, 04551, 05154, 05451, 10455, 10545, …). The farthest-flung twin is 04551 in Bremen, ME, 1,354 miles away.
  • 🧭 Farther north than 78% of all ZIP codes, and farther west than 72%.
  • 🎯212 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 51054 and you would come out at 42.38°S, 83.66°E — 804 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 38.7 square miles of land, 51054 is bigger than 52% of ZIP codes — room for about 29 Central Parks.
🌙 The sky over 51054 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population5,583This ZIP5,583
Households1,961This ZIP1,961
Housing units2,110This ZIP2,110
Median age37.0This ZIP37.0Iowa38.6US 38.9
Median household income$119,716This ZIP$119,716Iowa$75,059US $80,734
Median home value$301,900This ZIP$301,900Iowa$208,000US $332,700
Median gross rent$1,156This ZIP$1,156Iowa$972US $1,413
Bachelor's degree or higher36.8%This ZIP36.8%
Mean commute13.7 minThis ZIP13.7 min
Population density144.3 / sq miThis ZIP144.3 / sq mi

Business and tax activity

Business establishments120This ZIP120
Employees2,156This ZIP2,156
Annual payroll$128,060,000This ZIP$128,060,000
Tax returns filed2,820This ZIP2,820
Total adjusted gross income$242,652,000This ZIP$242,652,000

Land area

Land area38.68 sq miThis ZIP38.68 sq mi
Water area0.79 sq miThis ZIP0.79 sq mi

Other place names in 51054

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 51054

ZIPCityDistance
51102 Sioux City, IA 1.2 mi
51111 Sioux City, IA 3.9 mi
51106 Sioux City, IA 5.8 mi
51052 Salix, IA 6.1 mi
51007 Bronson, IA 7.6 mi
68030 Homer, NE 7.7 mi
68776 South Sioux City, NE 7.8 mi
68731 Dakota City, NE 8.2 mi
51101 Sioux City, IA 8.4 mi
51105 Sioux City, IA 8.9 mi

Find every ZIP code within 10 miles of 51054 →

Questions about this ZIP code

Where is ZIP code 51054?

51054 is in Sergeant Bluff, Iowa, in Woodbury County, part of the Sioux City, IA-NE-SD metropolitan area. Its published point location is 42.3809, -96.3350.

What county is 51054 in?

51054 lies in Woodbury County.

What area code is 51054?

Sergeant Bluff uses area code 712, from NANPA's telephone records.

What time zone is 51054 in?

51054 uses America/Chicago.

How many people live in 51054?

About 5,583 people live in ZIP code 51054, in 1,961 households, at 144.3 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 51054?

$119,716 a year, against $75,059 across Iowa.

What ZIP codes are near 51054?

The closest are 51102 (1.2 mi), 51111 (3.9 mi), 51106 (5.8 mi), 51052 (6.1 mi) and 51007 (7.6 mi).

Is 51054 a PO Box ZIP code?

51054 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “51054 ZIP Code — Sergeant Bluff, Iowa (Woodbury County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51054

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/51054.json

Underlying data is public domain or openly licensed — sources, vintages and licences.