Zip code 48421: Columbiaville, Michigan

Q: What city is zip code 48421?

48421 is assigned to Columbiaville, Michigan. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 48421 in?

48421 is mostly in Lapeer County, but it extends into 1 other county.

Q: What is the population of 48421?

About 6,935 people live in 48421, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 48421?

The median household income in 48421 is $71,114.

Q: What zip codes are near 48421?

The closest zip codes to 48421 are 48464, 48463, 48435, 48446, 48461.

Residential delivery areaLapeer CountyEastern Time

Population

6,935

Median household income

$71K

U.S. $81K

Median home value

$221K

U.S. $333K

Median rent

$654/mo

U.S. $1,413

Median age

44.4

U.S. 38.9

Land area

41 sq mi

167 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 48421

48421 is a small-town zip code in Columbiaville, Michigan (Lapeer County), covering 41 sq mi of land. About 6,935 people live here, or 167 per square mile. The median resident is 44.4 years old, compared with 38.9 nationally.

The median household earns $71,114 a year, close to the national median of $80,734. 6.4% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $220,600, or 3.1 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 89% of occupied homes are lived in by their owners, and renters pay a median of $654 a month.

21% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 38.2 minutes each way, and 9% of workers work from home. The most common jobs among working residents are in production and manufacturing; healthcare; and sales.

How 48421 compares

Sorted from highest to lowest national percentile

Average commute38.2 min
96th
WeaknessU.S. 26.4 min · MI 24.2 min28th of 941 in MI
Homeownership rate88.5%
94th
StrengthU.S. 65.2% · MI 73.2%339th of 958 in MI
Unemployment rate8.4%
89th
WeaknessU.S. 5.2% · MI 5.7%146th of 961 in MI
Housing vacancy13.7%
84th
U.S. 10.1% · MI 11.8%404th of 958 in MI
Median age44.4
83rd
U.S. 38.9 · MI 40.2426th of 962 in MI
Veterans8.8%
83rd
U.S. 6.2% · MI 5.8%249th of 962 in MI
Healthcare workers12.2%
83rd
U.S. 9.7% · MI 10.1%187th of 961 in MI
Residents 65 and older20.8%
78th
U.S. 17.2% · MI 18.6%462nd of 962 in MI
Residents under 1823.3%
61st
U.S. 22% · MI 21.2%256th of 962 in MI
Self-employed workers9.8%
56th
U.S. 10% · MI 8.6%418th of 961 in MI
Median household income$71,114
37th
U.S. $80,734 · MI $72,875436th of 952 in MI
Uninsured rate5.3%
36th
U.S. 8.4% · MI 4.9%377th of 961 in MI
Per capita income$33,307
28th
U.S. $44,673 · MI $40,735616th of 962 in MI
Broadband access88.7%
27th
U.S. 91% · MI 90.5%487th of 958 in MI
Median home value$220,600
26th
U.S. $332,700 · MI $231,600368th of 946 in MI
Work from home8.7%
26th
U.S. 15.1% · MI 13.5%560th of 961 in MI
Median earnings per worker$41,310
26th
U.S. $49,666 · MI $47,178625th of 960 in MI
Bachelor's degree or higher20.9%
23rd
U.S. 35.7% · MI 32.4%523rd of 961 in MI
Poverty rate6.4%
21st
U.S. 12.5% · MI 13.2%757th of 959 in MI
Population density167/sq mi
19th
U.S. 95/sq mi · MI 178/sq mi406th of 962 in MI
Government workers10%
19th
U.S. 14.5% · MI 11.6%624th of 961 in MI
Tech workers1.3%
18th
U.S. 3.8% · MI 3.1%577th of 961 in MI
Population6,935
11th
U.S. 334,922,499 · MI 10,077,761408th of 962 in MI
Foreign-born residents1.8%
11th
U.S. 14.1% · MI 7.2%491st of 962 in MI
Income inequality (Gini)0.361
4th
StrengthU.S. 0.483 · MI 0.465849th of 958 in MI
Median gross rent$654
2nd
U.S. $1,413 · MI $1,129810th of 851 in MI
Diversity index5.9
2nd
U.S. 61.4 · MI 45.3924th of 962 in MI
Rent-burdened renters17.3%
2nd
StrengthU.S. 51.1% · MI 50.4%842nd of 931 in MI

Measure	48421	Lapeer	MI	U.S.	National percentile	Rank in MI
Average commuteWeakness	38.2 min	34.5 min	24.2 min	26.4 min	96th	28th of 941
Homeownership rateStrength	88.5%	86%	73.2%	65.2%	94th	339th of 958
Unemployment rateWeakness	8.4%	5.1%	5.7%	5.2%	89th	146th of 961
Housing vacancy	13.7%	6.2%	11.8%	10.1%	84th	404th of 958
Median age	44.4	44.7	40.2	38.9	83rd	426th of 962
Veterans	8.8%	7.6%	5.8%	6.2%	83rd	249th of 962
Healthcare workers	12.2%	9.3%	10.1%	9.7%	83rd	187th of 961
Residents 65 and older	20.8%	20.2%	18.6%	17.2%	78th	462nd of 962
Residents under 18	23.3%	19.9%	21.2%	22%	61st	256th of 962
Self-employed workers	9.8%	10.8%	8.6%	10%	56th	418th of 961
Median household income	$71,114	$77,306	$72,875	$80,734	37th	436th of 952
Uninsured rate	5.3%	4.8%	4.9%	8.4%	36th	377th of 961
Per capita income	$33,307	$39,062	$40,735	$44,673	28th	616th of 962
Broadband access	88.7%	88.2%	90.5%	91%	27th	487th of 958
Median home value	$220,600	$239,000	$231,600	$332,700	26th	368th of 946
Work from home	8.7%	8.7%	13.5%	15.1%	26th	560th of 961
Median earnings per worker	$41,310	$46,625	$47,178	$49,666	26th	625th of 960
Bachelor's degree or higher	20.9%	20.4%	32.4%	35.7%	23rd	523rd of 961
Poverty rate	6.4%	9.7%	13.2%	12.5%	21st	757th of 959
Population density	167/sq mi	137/sq mi	178/sq mi	95/sq mi	19th	406th of 962
Government workers	10%	9.7%	11.6%	14.5%	19th	624th of 961
Tech workers	1.3%	1.6%	3.1%	3.8%	18th	577th of 961
Population	6,935	88,837	10,077,761	334,922,499	11th	408th of 962
Foreign-born residents	1.8%	2.3%	7.2%	14.1%	11th	491st of 962
Income inequality (Gini)Strength	0.361	0.422	0.465	0.483	4th	849th of 958
Median gross rent	$654	$988	$1,129	$1,413	2nd	810th of 851
Diversity index	5.9	19.2	45.3	61.4	2nd	924th of 962
Rent-burdened rentersStrength	17.3%	51.4%	50.4%	51.1%	2nd	842nd of 931

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

20%

5–17

18–24

11%

25–34

11%

35–44

13%

45–54

15%

55–64

12%

65–74

75+

Median age

44.4

Under 18

23.3%

65 and over

20.8%

Race and ethnicity

White97%
Black0.1%
Hispanic1%
Asian0.0%
Native American0%
Pacific Islander0%
Other0.1%
Multiracial2%

Diversity index

5.9

U.S. 61.4

Foreign-born

1.8%

U.S. 14.1%

Born in state

87.7%

Language spoken at home (households)

English only

96%

Spanish

Other Indo-European

Asian / Pacific

0.3%

Other

Households

Households: 2,632
Average household size: 2.6
Family households: 81.7%
Married couples: 60%
Living alone: 17%
Veterans (of adults): 8.8%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

11%

$25–50k

17%

$50–75k

28%

$75–100k

13%

$100–150k

20%

$150–200k

$200k+

Median household income

48421

$71,114

Lapeer Co.

$77,306

Michigan

$72,875

United States

$80,734

Per capita income

$33,307

U.S. $44,673

Poverty rate

6.4%

U.S. 12.5%

Households earning $150K+

11.4%

U.S. 23%

Income inequality (Gini)

0.361

U.S. 0.483

Housing

Median home value

48421

$220,600

Lapeer Co.

$239,000

Michigan

$231,600

United States

$332,700

Median gross rent

48421

$654

Lapeer Co.

$988

Michigan

$1,129

United States

$1,413

Types of housing

Single-family

93%

2–4 units

5–19 units

0.2%

20+ units

0.8%

Mobile home

Boat, RV, van

Housing units: 3,049
Owner-occupied: 88.5%
Vacant: 13.7%
Median year built: 1974
Median rooms: 5.8
Renters paying 30%+ of income: 17.3%
Renters paying 50%+ of income: 10.7%
Home value to income: 3.1× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

83%

Carpooled

Transit

Walked

0.2%

Bicycle

Worked from home

Other

0.4%

Commute time (one way)

<10 min

10–19

21%

20–29

20%

30–44

21%

45–59

60+

25%

Average commute

38.2 min

U.S. 26.4 min

Unemployment

8.4%

U.S. 5.2%

In labor force

57.4%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Production

16%

Healthcare

12%

Sales

10%

Construction and repair

10%

Office and admin

Management

Cleaning and personal care

Transportation and moving

Business and finance

Police and fire

Arts, media and sports

Legal and social services

Food service

Engineering and science

Education

Computer and math

Farming, fishing and forestry

0.2%

Industries

Manufacturing

28%

Health care and social assistance

16%

Education

10%

Retail

10%

Construction

Other services

Finance, insurance and real estate

Public administration

Admin, support and management

Restaurants and hotels

Professional and technical services

Transportation, warehousing and utilities

Arts and recreation

0.8%

Wholesale

0.7%

Agriculture and mining

0.2%

Information

0.2%

Median earnings per worker

$41,310

U.S. $49,666

Self-employed

9.8%

U.S. 10%

Government workers

10%

U.S. 14.5%

Nonprofit workers

5.8%

U.S. 8.8%

Median earnings by type of work

Type of work	48421	U.S.
Management, business, science and arts	$49,318	$74,888
Service	$18,790	$26,804
Sales and office	$41,793	$40,476
Construction and maintenance	$62,114	$49,199
Production and transportation	$43,750	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

30%

Some college

28%

Associate's

13%

Bachelor's

16%

Graduate

High school graduate or higher: 92.4%
Bachelor's degree or higher: 20.9%
Graduate or professional degree: 4.5%
Households with broadband: 88.7%
Cable, fiber or DSL: 60.6%
No internet access: 10%
Without health insurance: 5.3%
Limited-English households: 1.2%

Geography

City (USPS): Columbiaville
State: Michigan
County: Lapeer County
Center point: 43.1555° N, 83.3932° W
Land area: 41 sq mi
Water area: 3.1 sq mi
Time zone: Eastern Time (UTC-5, UTC-4 in summer)
Zip type: Residential delivery area

48421 spans 2 counties

Lapeer County95% of land
Genesee County5% of land

Cities and towns within this zip

Millers Lake (unincorporated)4% of zip
Barnes Lake (unincorporated)3% of zip
Columbiaville2% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 48421

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
48464	Otter Lake, MI	4 mi	2,152	$81,417	$206,000
48463	Otisville, MI	6.4 mi	4,393	$72,500	$191,500
48435	Fostoria, MI	6.4 mi	2,547	$86,905	$143,200
48446	Lapeer, MI	7.5 mi	30,581	$66,062	$220,200
48461	North Branch, MI	9.8 mi	7,719	$78,453	$205,200
48423	Davison, MI	10 mi	33,757	$65,079	$223,100
48746	Millington, MI	10 mi	8,222	$67,276	$161,500
48437	Genesee, MI	12 mi	279	$40,864	$117,100
48412	Attica, MI	13 mi	5,815	$79,534	$231,800
48506	Flint, MI	13 mi	24,712	$47,929	$91,900
48760	Silverwood, MI	13 mi	1,204	$54,643	$171,000
48744	Mayville, MI	13 mi	4,460	$67,944	$159,800

Zip codes like 48421 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 48421

What city is zip code 48421?

48421 is assigned to Columbiaville, Michigan. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 48421 in?

48421 is mostly in Lapeer County, but it extends into 1 other county.

What is the population of 48421?

About 6,935 people live in 48421, according to the Census Bureau's American Community Survey.

What time zone is 48421 in?

48421 is in Eastern Time.

What is the median household income in 48421?

The median household income in 48421 is $71,114.

What zip codes are near 48421?

The closest zip codes to 48421 are 48464, 48463, 48435, 48446, 48461.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 48421, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.