Croswell ZIP Code List — Sanilac County, MI

There is one unique ZIP code in Croswell, Michigan and it is 48422. Area code: 810.

ZIP codes

95.24

sq mi land

0.39

sq mi water

810

area code

Croswell, MI ZIP code map

About Croswell, MI

Croswell is a charming city located in Michigan, known for its tight-knit community and scenic landscapes. Nestled within Sanilac County, this serene locale offers a quaint atmosphere that makes it appealing to both residents and visitors alike. With its historic downtown and friendly residents, Croswell exemplifies midwestern hospitality.

Location & geography

Croswell is situated in Sanilac County in the thumb region of Michigan, approximately 15 miles from the nearby city of Port Huron to the south. The city covers a total area of 95.24 square miles, consisting primarily of land, with a small water area of 0.39 square miles. The terrain features a mixture of woodlands and fields, contributing to the area's natural beauty.

Community & economy

The character of Croswell reflects a small-town charm where neighborly connections flourish, and community events bring residents together. Agriculture and small manufacturing are significant contributors to the local economy, supporting daily life and local businesses. Residents enjoy engaging in outdoor activities and community gatherings, fostering a sense of belonging and pride.

Transportation

Croswell is accessible via Michigan State Trunkline M-90, providing convenient travel options for residents and visitors. The neighboring Port Huron area is home to the nearest major airport, offering services and connections to various destinations. Public transit options may be limited, making personal vehicles the primary mode of transportation.

History

Croswell was founded in the late 1800s and has a rich history tied to the lumber industry, which played a vital role in its early development. The city's growth was spurred by its location and access to ample natural resources, leading to the establishment of various local businesses. Over the decades, Croswell has maintained its small-town feel while adapting to the changing economic landscape.

Did you know?

One surprising fact about Croswell is that it hosts an annual event called the Croswell Community Fair, attracting residents and visitors for festivities, rides, and local talent. Additionally, the city is known for its unique historical landmarks, including the Croswell Opera House, which adds to its cultural appeal.

ZIP codes for Croswell, MI (1)

ZIP code	City	County	Map
48422	Croswell	Sanilac	View map

Demographics & statistics

6,005

Population

45.8

Median age

$59,347

Median household income

$30,184

Per capita income

$146,400

Median home value

$837

Median monthly rent

80.4%

Home ownership

11.8%

Poverty rate

7.5%

Unemployment

2,301

Housing units

14.3%

Bachelor's or higher

Age distribution

Male Female

112

Under 5

111

152

5–9

150

168

10–14

165

231

15–19

227

206

20–24

203

270

25–34

265

293

35–44

289

537

45–54

528

202

55–59

198

234

60–64

230

339

65–74

334

195

75–84

192

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,167	19.4%
18 and over	4,838	80.6%
65 and over	1,234	20.5%
Median age	45.8 years

Race & ethnicity

White 87%

Hispanic or Latino 5.4%

Other race 4.4%

Two or more races 2.6%

American Indian / Alaska Native 0.2%

Black or African American 0.2%

Native Hawaiian / Pacific Islander 0.1%

Group	Count	%
White	5,527	87%
Hispanic or Latino	345	5.4%
Other race	281	4.4%
Two or more races	162	2.6%
American Indian / Alaska Native	15	0.2%
Black or African American	14	0.2%
Native Hawaiian / Pacific Islander	6	0.1%

Household income

Under $10k 4.6%

$10k–$15k 3.0%

$15k–$25k 8.9%

$25k–$35k 9.0%

$35k–$50k 12.5%

$50k–$75k 23.7%

$75k–$100k 16.1%

$100k–$150k 13.8%

$150k–$200k 5.8%

$200k+ 2.6%

Range	% of households
Under $10k	4.6%
$10k–$15k	3.0%
$15k–$25k	8.9%
$25k–$35k	9.0%
$35k–$50k	12.5%
$50k–$75k	23.7%
$75k–$100k	16.1%
$100k–$150k	13.8%
$150k–$200k	5.8%
$200k+	2.6%
Median income	$59,347

Housing

Home values

Under $50k 8.2%

$50k–$100k 14.8%

$100k–$150k 29.5%

$150k–$200k 16.7%

$200k–$300k 18.8%

$300k–$500k 7.9%

$500k–$1M 3.7%

$1M+ 0.3%

Housing overview

Metric	Value
Median home value	$146,400
Median rent / month	$837
Owner occupied	80.4%
Renter occupied	19.6%
Vacant	10.4%
Single-family detached	81.3%
Large apartment buildings	2.5%
Mobile homes	7.9%
Median rooms	6.1
Avg household size (owned)	2.49

Year built

Era	%
2020 or later	0.1%
2010–2019	2.9%
2000–2009	15.0%
1990–1999	12.9%
1980–1989	9.9%
1970–1979	11.3%
1960–1969	6.9%
1950–1959	10.9%
1940–1949	3.9%
1939 or earlier	26.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	6.3%
2 bedrooms	24.8%
3 bedrooms	43.9%
4 bedrooms	22.2%
5+ bedrooms	2.8%

Vehicles per household

Vehicles	% of households
No vehicle	4.8%
1 vehicle	24.9%
2 vehicles	41.7%
3 or more	28.6%

Heating fuel

Fuel type	%
Utility gas	48.6%
Electricity	12.0%
Propane / LP gas	25.7%
Fuel oil	2.4%
Wood	7.3%
No fuel used	3.4%

Households & families

Household type	Count	%
Married-couple family	1,356	54.2%
Cohabiting couple	250	10.0%
Male householder, no spouse	433	17.3%
Female householder, no spouse	462	18.5%
Households with children under 18	757	30.3%
Households with seniors (65+)	825	33.0%
Average household size	2.40

Marital status

Status	Male	Female
Never married	29.6%	27.0%
Married	55.9%	54.5%
Separated	0.0%	1.4%
Widowed	1.1%	7.9%
Divorced	13.5%	9.2%

Education

Less than 9th grade 3.2%

Some HS, no diploma 5.5%

HS graduate 45.5%

Some college, no degree 25.1%

Associate's degree 6.3%

Bachelor's degree 10.0%

Graduate / professional 4.3%

Metric	%
HS diploma or higher	91.3%
Bachelor's or higher	14.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	27	2.3%
Kindergarten	67	5.6%
Elementary school	510	42.6%
High school	406	33.9%
College / grad school	187	15.6%

Employment

Industry of employment

Manufacturing 27.9%

Education & healthcare 18.3%

Arts, food & hospitality 9.6%

Retail trade 8.5%

Construction 7.7%

Other services 5.5%

Transportation & utilities 4.3%

Public administration 4.0%

Finance & real estate 3.6%

Agriculture & mining 3.5%

Professional & management 3.4%

Information 1.9%

Wholesale trade 1.8%

Occupation

Category	%
Management, business & arts	23.7%
Service	20.6%
Sales & office	20.5%
Natural resources & construction	13.0%
Production & transportation	22.3%

Employment type

Type	%
Private sector	79.9%
Government	14.0%
Self-employed	5.9%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	81.2%
Carpool	10.5%
Public transit	0.0%
Walk	2.5%
Other means	0.8%
Avg commute (minutes)	29.1

Poverty

All people 11.8%

Under 18 years 20.6%

18 and over 9.7%

Married-couple families 3.1%

Female-led households 31.4%

Income support

Source	% of households
Social Security	40.7%
Retirement income	22.8%
Supplemental Security	5.4%
Cash public assistance	2.1%
Food stamps / SNAP	11.2%

Health indicators

Condition	%
High blood pressure	34.5%
High cholesterol	37.3%
Heart disease	7.2%
Stroke	3.3%
Asthma	11.0%
Arthritis	30.9%
Kidney disease	3.1%
Pulmonary disease	8.4%
Cancer	7.1%

Behavior / access	%
Binge drinking	19.2%
No physical activity	22.9%
Less than 7 hrs sleep	33.1%
Fair or poor health	15.7%
Poor mental health	16.5%
Poor physical health	11.6%
No health insurance	10.9%
Visited doctor (checkup)	73.3%
Visited dentist	68.0%
Cholesterol screening	90.9%
Teeth loss	13.7%

Veterans & disability

Veterans	Count	%
Civilian veterans	463	9.6%

Disability	%
Any disability	16.5%
Under 18	6.3%
18–64 years	11.4%
65 and over	40.8%

Health insurance coverage

Type	%
Private insurance	66.4%
Public insurance	47.8%
Uninsured under 19	3.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,782	96.3%
Spanish	39	0.7%
Other Indo-European	25	0.4%
Asian & Pacific Islander	14	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,951	99.1%
Born in same state	5,914	98.5%
Born in different state	5,419	90.2%
Foreign born	37	0.6%
Naturalized citizen	54	0.9%
Not a US citizen	26	48.1%

Ancestry

Ancestry	Count	%
Italian	771	12.8%
French	656	10.9%
Arab	232	3.9%
English	95	1.6%
Irish	76	1.3%

Ancestry	Count	%
German	75	1.2%
Dutch	35	0.6%
Polish	20	0.3%
Norwegian	2	0%

Technology access

Metric	% of households
Computer access	41.6%
Internet access	90.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Croswell, MI?

Croswell, MI has one ZIP code: 48422.

What is the main ZIP code for Croswell, MI?

The primary ZIP code for Croswell, MI is 48422. The city uses area code 810 for phone service.

What county is Croswell, MI in?

Croswell is located in Sanilac County, Michigan.

How many ZIP codes are in Croswell, MI?

Croswell, MI has 1 ZIP code.

What is the ZIP code for downtown Croswell and the main business district along M-19?

Downtown Croswell and the main business district along M-19 are located in ZIP code 48422, which serves as the primary commercial center of this Sanilac County village.

What ZIP code should I use for mailing addresses to residents in the Croswell village proper and surrounding areas?

All mailing addresses within Croswell village and its immediate surrounding areas use ZIP code 48422, which is the only ZIP code assigned to this municipality.