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/50530

50530

ZIP 50530 is Dayton, Iowa, mostly in Webster County; area code 515; Central time.

Type
Standard
Time zone
America/Chicago
County
Webster +1 more
Metro area
Fort Dodge, IA
Population
1,090
Coordinates
42.2703, -94.0396
☼ Live from 50530 — Dayton, IA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 50530 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 50530
  • 🔢 Type 50530 into a pocket calculator and turn it upside down: OESOS — not quite a word, sorry.
  • ➕ As a number, 50,530 = 2 × 5 × 31 × 163. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100010101100010
  • 🏠 Its numerical neighbours: 50529 (Dakota City, IA, 32 mi away) and 50531 (Dolliver, IA, 87 mi away).
  • 🔄 Backwards, 50530 becomes 03505, which is not a ZIP code at all.
  • 👥 12 other ZIP codes are made of exactly the same digits (03055, 05035, 05053, 05350, 30055, 35005, …). The farthest-flung twin is 03055 in Milford, NH, 1,136 miles away.
  • 🧭 Farther north than 77% of all ZIP codes, and farther west than 66%.
  • 🎯290 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 50530 and you would come out at 42.27°S, 85.96°E — 899 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 16m of daylight. Shortest: 9h 05m.
  • 📏 At 62.7 square miles of land, 50530 is bigger than 66% of ZIP codes — room for about 48 Central Parks.
🌙 The sky over 50530 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,090This ZIP1,090
Households472This ZIP472
Housing units535This ZIP535
Median age44.4This ZIP44.4Iowa38.6US 38.9
Median household income$73,250This ZIP$73,250Iowa$75,059US $80,734
Median home value$167,900This ZIP$167,900Iowa$208,000US $332,700
Median gross rent$523This ZIP$523Iowa$972US $1,413
Bachelor's degree or higher19.3%This ZIP19.3%
Mean commute24.4 minThis ZIP24.4 min
Population density17.4 / sq miThis ZIP17.4 / sq mi

Business and tax activity

Business establishments24This ZIP24
Employees111This ZIP111
Annual payroll$3,974,000This ZIP$3,974,000
Tax returns filed500This ZIP500
Total adjusted gross income$33,552,000This ZIP$33,552,000

Land area

Land area62.72 sq miThis ZIP62.72 sq mi
Water area0.54 sq miThis ZIP0.54 sq mi

Counties 50530 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Webster County 96.0%
Boone County 4.0%

Other place names in 50530

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

ZIP codes near 50530

ZIPCityDistance
50521 Burnside, IA 6.2 mi
50557 Lehigh, IA 6.3 mi
50223 Pilot Mound, IA 6.7 mi
50544 Harcourt, IA 6.8 mi
50249 Stratford, IA 7.0 mi
50040 Boxholm, IA 7.4 mi
50569 Otho, IA 10.4 mi
50217 Paton, IA 12.4 mi
50246 Stanhope, IA 13.3 mi
50532 Duncombe, IA 13.3 mi

Find every ZIP code within 10 miles of 50530 →

Questions about this ZIP code

Where is ZIP code 50530?

50530 is in Dayton, Iowa, in Webster County, part of the Fort Dodge, IA micropolitan area. Its published point location is 42.2703, -94.0396.

What county is 50530 in?

50530 spans 2 counties: Webster County and Boone County. Most of it falls in Webster County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 50530?

Dayton uses area code 515, from NANPA's telephone records.

What time zone is 50530 in?

50530 uses America/Chicago.

How many people live in 50530?

About 1,090 people live in ZIP code 50530, in 472 households, at 17.4 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 50530?

$73,250 a year, against $75,059 across Iowa.

What ZIP codes are near 50530?

The closest are 50521 (6.2 mi), 50557 (6.3 mi), 50223 (6.7 mi), 50544 (6.8 mi) and 50249 (7 mi).

Is 50530 a PO Box ZIP code?

50530 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “50530 ZIP Code — Dayton, Iowa (Webster County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50530

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/50530.json

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