48421 ZIP Code, Columbiaville, MI

48421 is a ZIP code in Columbiaville, Michigan in Lapeer County. It covers 41 square miles of land. The closest ZIP codes are 48464, 48435 and 48463. 6,935 people live here in 2,632 households. With about 167 people per square mile it is lightly settled, and most homes are owner-occupied (89%). Median household income is $71,114, close to the Michigan median of $72,875.

Quick facts

Key figures

MeasureValue
Residents6,935
Households2,632
Median household income$71,114
Income per person$33,307
Median age44.4
Homeowners88.5%
Median home value$220,600
Median rent$654
Bachelor's degree or higher20.9%
Average commute (minutes)38.2
Households with kids under 1834.4%
Moved in the past year5.3%
Below the poverty line6.4%
Broadband internet88.7%
Speak a non-English language at home2.5%

Household income

% of householdsValue
<$10K1.8%
$10–15K1.7%
$15–25K7.0%
$25–35K6.7%
$35–50K9.8%
$50–75K28.5%
$75–100K12.9%
$100–150K20.1%
$150–200K8.5%
$200K+2.9%

Age

% of all residentsValue
<107.5%
10–1919.2%
20–242.9%
25–3411.0%
35–4411.4%
45–5412.6%
55–6414.7%
65–7412.2%
75+8.5%

Tenure

% of housing unitsValue
Owned, with mortgage50.9%
Owned outright26.4%
Rented9.5%
Vacant13.2%

Type of building

% of housing unitsValue
Detached house90.3%
Townhome2.5%
2–4 units3.4%
5–19 units0.2%
20+ units0.8%
Mobile / other2.8%

Businesses in 48421

53 business establishments with 198 employees (ZIP Codes Business Patterns 2023).

EDDM carrier routes

See every USPS carrier route in 48421 with residential and business mailbox counts on the route map. Open the EDDM route map.

Nearby ZIP codes

Areas that include 48421

Where it ranks

Mail every home in 48421

Route counts on this page price as Full Service 6.5 × 9 postcards: we print, bundle by carrier route and hand the mailing to USPS. Prefer to take it to the Post Office yourself? Print only costs less and you pay postage at drop-off.

EDDM guides

ZIP code statistics describe the Census ZIP Code Tabulation Area (ZCTA) 48421, which approximates the USPS ZIP code area. Census figures: American Community Survey 5-year estimates, 2020–2024.

Frequently asked questions

What city is 48421 in?
48421 is a Columbiaville, MI mailing address. By land area, 4% lies inside Millers Lake, 3% lies inside Barnes Lake and 2% lies inside Columbiaville; the rest is outside any Census-defined city or community.
What county is 48421 in?
48421 is in Lapeer County.
What is the population of 48421?
About 6,935 people (±956), according to the Census Bureau's American Community Survey 5-year estimates for 2020–2024. The 2020 Census counted 6,656.
What is the median household income in 48421?
$71,114 (±$1,952), compared with $72,875 for Michigan as a whole. Half the households in the ZIP code earn more and half earn less.
How many carrier routes and mailboxes are in 48421?
EDDM2GO's stored route library does not include 48421 yet. The EDDM route map loads its carrier routes and mailbox counts when you search the ZIP code.
What ZIP codes are near 48421?
The closest, measured center to center: 48464 (4 mi, Otter Lake), 48435 (6.4 mi, Fostoria), 48463 (6.4 mi, Otisville), 48446 (7.5 mi, Lapeer), 48461 (9.8 mi, North Branch) and 48423 (10 mi, Davison).

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.