ZIP code 48421
Where is ZIP code 48421?
Columbiaville, Michigan
Lapeer County · Standard ZIP code
ZIP code 48421 belongs to Columbiaville, Michigan in Lapeer County. 48421 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area code 810. About 6,935 people live in the 48421 area, where the median household income is $71,114. The closest ZIP codes are 48464 (Otter Lake, 5.2 mi northwest), 48446 (Lapeer, 6.8 mi south) and 48463 (Otisville, 7 mi west).
| ZIP code | 48421 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Columbiaville |
| State | Michigan (MI) |
| County | Lapeer County |
| Time zone | Eastern Time · now |
| Area code | 810 |
| Coordinates | 43.1503, -83.3811 map |
| 3-digit prefix | 484 |
Population and income in 48421
| Population | 6,935 · higher than 59% of Michigan ZIP codes |
|---|---|
| People per square mile | 167 · higher than 58% of Michigan ZIP codes |
| Median age | 44.4 years · higher than 55% of Michigan ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $71,114 · higher than 54% of Michigan ZIP codes |
| Income per person | $33,307 |
| Below the poverty line | 6.4% |
| Bachelor’s degree or higher | 21% of adults 25+ |
| Median home value | $220,600 · higher than 61% of Michigan ZIP codes |
| Median rent | $654 a month |
| Housing units | 3,049 |
| Households | 2,632 (2.63 people on average) |
| Owners / renters | 89% / 12% |
| Land area | 41.46 sq mi (plus 3.08 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 48421. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 48421
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 48464 | Otter Lake, MI | 5.2 mi NW | Standard |
| 48446 | Lapeer, MI | 6.8 mi S | Standard |
| 48463 | Otisville, MI | 7 mi W | Standard |
| 48435 | Fostoria, MI | 7.9 mi N | Standard |
| 48461 | North Branch, MI | 8.7 mi NE | Standard |
| 48423 | Davison, MI | 10.9 mi SW | Standard |
| 48437 | Genesee, MI | 12.1 mi W | PO Box only |
| 48746 | Millington, MI | 12.4 mi NW | Standard |
| 48760 | Silverwood, MI | 12.6 mi NE | Standard |
| 48412 | Attica, MI | 12.7 mi SE | Standard |
| 48440 | Hadley, MI | 13.6 mi S | PO Box only |
| 48506 | Flint, MI | 13.9 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 48421 or measure the distance to another ZIP code.
How to address mail to 48421
123 MAIN ST
COLUMBIAVILLE MI 48421
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (48421-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 48421?
- 48421 is a Columbiaville, Michigan ZIP code.
- What county is 48421 in?
- ZIP code 48421 is in Lapeer County, Michigan.
- What time zone is ZIP code 48421 in?
- 48421 is in the Eastern Time zone (America/Detroit).
- What area code is 48421?
- Phone numbers in ZIP code 48421 use area code 810.
- What is the population of ZIP code 48421?
- About 6,935 people live in ZIP code 48421, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 48421?
- The median household income in 48421 is $71,114 a year, higher than 54% of Michigan ZIP codes.
- What ZIP codes are near 48421?
- The nearest ZIP codes to 48421 are 48464 (Otter Lake, 5.2 miles), 48446 (Lapeer, 6.8 miles), 48463 (Otisville, 7 miles) and 48435 (Fostoria, 7.9 miles).