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/51052

51052

ZIP 51052 is Salix, Iowa, in Woodbury County; area code 712; Central time.

Type
Standard
Time zone
America/Chicago
County
Woodbury
Population
1,050
Coordinates
42.3082, -96.2660
☼ Live from 51052 — Salix, IA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 51052 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 51052
  • 🔢 Type 51052 into a pocket calculator and turn it upside down: ZSOIS — not quite a word, sorry.
  • ➕ As a number, 51,052 = 2 × 2 × 12763. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100011101101100
  • 🏠 Its numerical neighbours: 51051 (Rodney, IA, 17 mi away) and 51053 (Schaller, IA, 52 mi away).
  • 🔄 Backwards, 51052 becomes 25015 — and that is a real ZIP code: Belle, WV, 826 miles away.
  • 👥 36 other ZIP codes are made of exactly the same digits (01255, 01525, 02155, 05152, 05251, 10552, …). The farthest-flung twin is 02155 in Medford, MA, 1,280 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 51052 and you would come out at 42.31°S, 83.73°E — 810 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 05m.
  • 📏 At 61.7 square miles of land, 51052 is bigger than 65% of ZIP codes — room for about 47 Central Parks.
🌙 The sky over 51052 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,050This ZIP1,050
Households474This ZIP474
Housing units490This ZIP490
Median age55.2This ZIP55.2Iowa38.6US 38.9
Median household income$108,750This ZIP$108,750Iowa$75,059US $80,734
Median home value$281,100This ZIP$281,100Iowa$208,000US $332,700
Median gross rent$775This ZIP$775Iowa$972US $1,413
Bachelor's degree or higher27.3%This ZIP27.3%
Mean commute15.7 minThis ZIP15.7 min
Population density17.0 / sq miThis ZIP17.0 / sq mi

Business and tax activity

Business establishments17This ZIP17
Employees268This ZIP268
Annual payroll$27,237,000This ZIP$27,237,000
Tax returns filed460This ZIP460
Total adjusted gross income$34,092,000This ZIP$34,092,000

Land area

Land area61.68 sq miThis ZIP61.68 sq mi
Water area1.62 sq miThis ZIP1.62 sq mi

Other place names in 51052

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

ZIP codes near 51052

ZIPCityDistance
51102 Sioux City, IA 4.9 mi
51054 Sergeant Bluff, IA 6.1 mi
51055 Sloan, IA 6.9 mi
51007 Bronson, IA 7.6 mi
51015 Climbing Hill, IA 9.7 mi
51111 Sioux City, IA 10.0 mi
68030 Homer, NE 10.0 mi
51026 Hornick, IA 10.7 mi
51106 Sioux City, IA 11.0 mi
68071 Winnebago, NE 11.8 mi

Find every ZIP code within 10 miles of 51052 →

Questions about this ZIP code

Where is ZIP code 51052?

51052 is in Salix, Iowa, in Woodbury County, part of the Sioux City, IA-NE-SD metropolitan area. Its published point location is 42.3082, -96.2660.

What county is 51052 in?

51052 lies in Woodbury County.

What area code is 51052?

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

What time zone is 51052 in?

51052 uses America/Chicago.

How many people live in 51052?

About 1,050 people live in ZIP code 51052, in 474 households, at 17.0 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 51052?

$108,750 a year, against $75,059 across Iowa.

What ZIP codes are near 51052?

The closest are 51102 (4.9 mi), 51054 (6.1 mi), 51055 (6.9 mi), 51007 (7.6 mi) and 51015 (9.7 mi).

Is 51052 a PO Box ZIP code?

51052 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “51052 ZIP Code — Salix, Iowa (Woodbury County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51052

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/51052.json

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