48821
ZIP 48821 is Dimondale, Michigan, mostly in Eaton County; area code 517; Eastern time.
- Type
- Standard
- Time zone
- America/Detroit
- County
- Eaton +1 more
- Metro area
- Lansing-East Lansing, MI
- Population
- 6,327
- Coordinates
- 42.6404, -84.6513
Weather right now
Asking the National Weather Service…
Where 48821 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 48821 into a pocket calculator and turn it upside down: IZBBh — not quite a word, sorry.
- ➕ 48821 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 23, a total 2,533 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011111010110101 - 🏠 Its numerical neighbours: 48820 (Dewitt, MI, 16 mi away) and 48822 (Eagle, MI, 15 mi away).
- 🔄 Backwards, 48821 becomes 12884 — and that is a real ZIP code: Victory Mills, NY, 561 miles away.
- 👥 21 other ZIP codes are made of exactly the same digits (12848, 12884, 14882, 18248, 18428, 18824, …). The farthest-flung twin is 84128 in West Valley City, UT, 1,414 miles away.
- 🧭 Farther north than 80% of all ZIP codes, and farther east than 57%.
- 🎯748 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 48821 and you would come out at 42.64°S, 95.35°E — 1,285 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 19m of daylight. Shortest: 9h 02m.
- 📏 At 19.9 square miles of land, 48821 is bigger than 37% of ZIP codes — room for about 15 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 6,327This ZIP6,327 |
|---|---|
| Households | 2,491This ZIP2,491 |
| Housing units | 2,610This ZIP2,610 |
| Median age | 45.9This ZIP45.9Michigan40.2US 38.9 |
| Median household income | $107,440This ZIP$107,440Michigan$72,875US $80,734 |
| Median home value | $244,000This ZIP$244,000Michigan$231,600US $332,700 |
| Median gross rent | $1,065This ZIP$1,065Michigan$1,129US $1,413 |
| Bachelor's degree or higher | 38.2%This ZIP38.2% |
| Mean commute | 21.8 minThis ZIP21.8 min |
| Population density | 317.7 / sq miThis ZIP317.7 / sq mi |
Business and tax activity
| Business establishments | 82This ZIP82 |
|---|---|
| Employees | 912This ZIP912 |
| Annual payroll | $48,046,000This ZIP$48,046,000 |
| Tax returns filed | 3,180This ZIP3,180 |
| Total adjusted gross income | $261,021,000This ZIP$261,021,000 |
Land area
| Land area | 19.92 sq miThis ZIP19.92 sq mi |
|---|---|
| Water area | 0.44 sq miThis ZIP0.44 sq mi |
Counties 48821 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Eaton County | 95.7% |
| Ingham County | 4.3% |
Other place names in 48821
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 48821
| ZIP | City | Distance |
|---|---|---|
48876 | Potterville, MI | 4.2 mi |
48911 | Lansing, MI | 4.5 mi |
48842 | Holt, MI | 5.7 mi |
48917 | Lansing, MI | 5.9 mi |
48951 | Lansing, MI | 7.3 mi |
48910 | Lansing, MI | 7.5 mi |
48933 | Lansing, MI | 7.8 mi |
48922 | Lansing, MI | 7.9 mi |
48929 | Lansing, MI | 7.9 mi |
48930 | Lansing, MI | 7.9 mi |
Find every ZIP code within 10 miles of 48821 →
Questions about this ZIP code
Where is ZIP code 48821?
48821 is in Dimondale, Michigan, in Eaton County, part of the Lansing-East Lansing, MI metropolitan area. Its published point location is 42.6404, -84.6513.
What county is 48821 in?
48821 spans 2 counties: Eaton County and Ingham County. Most of it falls in Eaton 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 48821?
Dimondale uses area code 517, from NANPA's telephone records.
What time zone is 48821 in?
48821 uses America/Detroit.
How many people live in 48821?
About 6,327 people live in ZIP code 48821, in 2,491 households, at 317.7 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 48821?
$107,440 a year, against $72,875 across Michigan.
What ZIP codes are near 48821?
The closest are 48876 (4.2 mi), 48911 (4.5 mi), 48842 (5.7 mi), 48917 (5.9 mi) and 48951 (7.3 mi).
Is 48821 a PO Box ZIP code?
48821 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “48821 ZIP Code — Dimondale, Michigan (Eaton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/48821
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/48821.json Underlying data is public domain or openly licensed — sources, vintages and licences.