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zipcodes.pro — ZIP/50440

50440

ZIP 50440 is Grafton, Iowa, in Worth County; area code 641; Central time.

Type
Standard
Time zone
America/Chicago
County
Worth
Metro area
Mason City, IA
Population
361
Coordinates
43.3324, -93.0690
☼ Live from 50440 — Grafton, IA

Weather right now

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NEXRAD radar
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Local time: —

Where 50440 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 50440
  • 🔢 Type 50440 into a pocket calculator and turn it upside down: OhhOS — not quite a word, sorry.
  • ➕ As a number, 50,440 = 2 × 2 × 2 × 5 × 13 × 97. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100010100001000
  • 🏠 Its numerical neighbours: 50439 (Goodell, IA, 39 mi away) and 50441 (Hampton, IA, 42 mi away).
  • 🔄 Backwards, 50440 becomes 04405, which is not a ZIP code at all.
  • 👥 14 other ZIP codes are made of exactly the same digits (00544, 04054, 04450, 05404, 05440, 40045, …). The farthest-flung twin is 04450 in Kenduskeag, ME, 1,198 miles away.
  • 🧭 Farther north than 85% of all ZIP codes, and farther west than 63%.
  • 🎯374 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 50440 and you would come out at 43.33°S, 86.93°E — 896 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 24m of daylight. Shortest: 8h 58m.
  • 📏 At 29.2 square miles of land, 50440 is bigger than 45% of ZIP codes — room for about 22 Central Parks.
🌙 The sky over 50440 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population361This ZIP361
Households186This ZIP186
Housing units208This ZIP208
Median age56.2This ZIP56.2Iowa38.6US 38.9
Median household income$76,429This ZIP$76,429Iowa$75,059US $80,734
Median home value$122,500This ZIP$122,500Iowa$208,000US $332,700
Median gross rent$638This ZIP$638Iowa$972US $1,413
Bachelor's degree or higher16.3%This ZIP16.3%
Mean commute21.0 minThis ZIP21.0 min
Population density12.3 / sq miThis ZIP12.3 / sq mi

Business and tax activity

Business establishments9This ZIP9
Employees25This ZIP25
Annual payroll$776,000This ZIP$776,000
Tax returns filed200This ZIP200
Total adjusted gross income$13,293,000This ZIP$13,293,000

Land area

Land area29.24 sq miThis ZIP29.24 sq mi
Water area0.00 sq miThis ZIP0.00 sq mi

Other place names in 50440

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

ZIP codes near 50440

ZIPCityDistance
50464 Plymouth, IA 5.6 mi
50426 Carpenter, IA 6.3 mi
50456 Manly, IA 7.9 mi
50472 Saint Ansgar, IA 8.5 mi
50467 Rock Falls, IA 8.5 mi
50448 Kensett, IA 8.7 mi
50458 Nora Springs, IA 12.3 mi
50459 Northwood, IA 12.6 mi
50461 Osage, IA 12.7 mi
50401 Mason City, IA 14.0 mi

Find every ZIP code within 10 miles of 50440 →

Questions about this ZIP code

Where is ZIP code 50440?

50440 is in Grafton, Iowa, in Worth County, part of the Mason City, IA micropolitan area. Its published point location is 43.3324, -93.0690.

What county is 50440 in?

50440 lies in Worth County.

What area code is 50440?

Grafton uses area code 641, from NANPA's telephone records.

What time zone is 50440 in?

50440 uses America/Chicago.

How many people live in 50440?

About 361 people live in ZIP code 50440, in 186 households, at 12.3 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 50440?

$76,429 a year, against $75,059 across Iowa.

What ZIP codes are near 50440?

The closest are 50464 (5.6 mi), 50426 (6.3 mi), 50456 (7.9 mi), 50472 (8.5 mi) and 50467 (8.5 mi).

Is 50440 a PO Box ZIP code?

50440 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “50440 ZIP Code — Grafton, Iowa (Worth County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50440

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