49431
ZIP 49431 is Ludington, Michigan, in Mason County; area code 231; Eastern time.
- Type
- Standard
- Time zone
- America/Detroit
- County
- Mason
- Metro area
- Ludington, MI
- Population
- 17,184
- Coordinates
- 43.9646, -86.4093
Weather right now
Asking the National Weather Service…
Where 49431 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 49431 into a pocket calculator and turn it upside down: IEhGh — not quite a word, sorry.
- ➕ As a number, 49,431 = 3 × 16477. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100000100010111 - 🏠 Its numerical neighbours: 49430 (Lamont, MI, 71 mi away) and 49434 (Macatawa, MI, 83 mi away).
- 🔄 Backwards, 49431 becomes 13494 — and that is a real ZIP code: Woodgate, NY, 562 miles away.
- 👥 21 other ZIP codes are made of exactly the same digits (13449, 13494, 19344, 19443, 34491, 39144, …). The farthest-flung twin is 94143 in San Francisco, CA, 1,916 miles away.
- 🧭 Farther north than 87% of all ZIP codes, and farther east than 53%.
- 🎯687 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 49431 and you would come out at 43.96°S, 93.59°E — 1,164 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 29m of daylight. Shortest: 8h 53m.
- 📏 At 96.1 square miles of land, 49431 is bigger than 77% of ZIP codes — room for about 73 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 17,184This ZIP17,184 |
|---|---|
| Households | 7,765This ZIP7,765 |
| Housing units | 10,051This ZIP10,051 |
| Median age | 48.6This ZIP48.6Michigan40.2US 38.9 |
| Median household income | $66,336This ZIP$66,336Michigan$72,875US $80,734 |
| Median home value | $237,700This ZIP$237,700Michigan$231,600US $332,700 |
| Median gross rent | $914This ZIP$914Michigan$1,129US $1,413 |
| Bachelor's degree or higher | 31.3%This ZIP31.3% |
| Mean commute | 15.6 minThis ZIP15.6 min |
| Population density | 178.9 / sq miThis ZIP178.9 / sq mi |
Business and tax activity
| Business establishments | 579This ZIP579 |
|---|---|
| Employees | 8,439This ZIP8,439 |
| Annual payroll | $395,367,000This ZIP$395,367,000 |
| Tax returns filed | 8,820This ZIP8,820 |
| Total adjusted gross income | $584,915,000This ZIP$584,915,000 |
Land area
| Land area | 96.07 sq miThis ZIP96.07 sq mi |
|---|---|
| Water area | 15.53 sq miThis ZIP15.53 sq mi |
Other place names in 49431
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 49431
| ZIP | City | Distance |
|---|---|---|
49454 | Scottville, MI | 6.3 mi |
49405 | Custer, MI | 11.6 mi |
49449 | Pentwater, MI | 11.9 mi |
49411 | Free Soil, MI | 12.8 mi |
49410 | Fountain, MI | 13.7 mi |
49458 | Walhalla, MI | 14.7 mi |
49420 | Hart, MI | 18.0 mi |
49634 | Filer City, MI | 18.3 mi |
49436 | Mears, MI | 19.4 mi |
49402 | Branch, MI | 19.5 mi |
Find every ZIP code within 10 miles of 49431 →
Questions about this ZIP code
Where is ZIP code 49431?
49431 is in Ludington, Michigan, in Mason County, part of the Ludington, MI micropolitan area. Its published point location is 43.9646, -86.4093.
What county is 49431 in?
49431 lies in Mason County.
What area code is 49431?
Ludington uses area code 231, from NANPA's telephone records.
What time zone is 49431 in?
49431 uses America/Detroit.
How many people live in 49431?
About 17,184 people live in ZIP code 49431, in 7,765 households, at 178.9 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 49431?
$66,336 a year, against $72,875 across Michigan.
What ZIP codes are near 49431?
The closest are 49454 (6.3 mi), 49405 (11.6 mi), 49449 (11.9 mi), 49411 (12.8 mi) and 49410 (13.7 mi).
Is 49431 a PO Box ZIP code?
49431 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “49431 ZIP Code — Ludington, Michigan (Mason County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/49431
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/49431.json Underlying data is public domain or openly licensed — sources, vintages and licences.