ZIP code 48421: Columbiaville, MI
48421 is a ZIP code in Columbiaville, Michigan, mainly in Lapeer County, part of the Detroit-Warren-Dearborn, MI metro area. About 6,935 people live here.
- Population
- 6,935
- Median household income
- $71,114
- Typical home value
- $259,700+5.8% in 12 months
- Median rent
- $654gross, per month
- Median age
- 44.4
- Homeowners
- 88.5%of occupied homes
Shaded: ZIP code 48421's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 48421 details
| City | Columbiaville |
|---|---|
| State | Michigan |
| County | Lapeer County (also partly Genesee County) |
| Metro area | Detroit-Warren-Dearborn, MI |
| Time zone | Eastern Time (UTC−5), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 41.5 sq mi, plus 3.1 sq mi of water |
| Population density | 167 people per sq mi |
| Bachelor's degree or higher | 20.9% of adults 25+ |
| Average commute | 38.2 minutes |
| Center coordinates | 43.15550, -83.39319 |
Median rent in 48421 by bedrooms
| Size | Median gross rent |
|---|---|
| 1 bedroom | $486/mo |
| 2 bedrooms | $575/mo |
| 3 bedrooms | $1,331/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 48421
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 48464 | Otter Lake, MI | 4.0 mi | 2,152 |
| 48463 | Otisville, MI | 6.4 mi | 4,393 |
| 48435 | Fostoria, MI | 6.4 mi | 2,547 |
| 48446 | Lapeer, MI | 7.5 mi | 30,581 |
| 48461 | North Branch, MI | 9.8 mi | 7,719 |
| 48423 | Davison, MI | 10.0 mi | 33,757 |
| 48746 | Millington, MI | 10.4 mi | 8,222 |
| 48437 | Genesee, MI | 11.7 mi | 279 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 48421?
A typical home in ZIP code 48421 is worth about $259,700 (Zillow Home Value Index). The median household here earns $71,114 a year. See what buying here would cost per month, with Michigan average taxes and insurance filled in.
Monthly payment for a $259,700 homeWhat can a $71,114 income afford?Rental property numbers
About ZIP code 48421
What city is ZIP code 48421?
ZIP code 48421 is in Columbiaville, MI, in Lapeer County.
What county is ZIP code 48421 in?
48421 is mainly in Lapeer County, Michigan, and partly in Genesee County.
What is the population of ZIP code 48421?
About 6,935 people live in ZIP code 48421, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 48421 in?
48421 is in Eastern Time (UTC−5). It observes daylight saving time.