Saint Johns ZIP Code List — Clinton County, MI

There is one unique ZIP code in Saint Johns, Michigan and it is 48879. Area code: 989.

ZIP codes

191.28

sq mi land

0.67

sq mi water

989

area code

Saint Johns, MI ZIP code map

About Saint Johns, MI

Saint Johns is a charming city located in the heart of Michigan's Clinton County. Known for its friendly atmosphere and community-oriented living, the city offers a unique blend of rural and suburban experiences. With its rich history and local events, Saint Johns attracts visitors and residents alike who enjoy a slower pace of life surrounded by nature.

Location & geography

Saint Johns, MI is situated approximately 25 miles north of Lansing, the state capital, and about 15 miles southwest of Owosso. The city covers a land area of 191.28 square miles, complemented by a small water area of 0.67 square miles, providing a diverse landscape for outdoor activities. The terrain is primarily flat with plenty of green spaces, making it ideal for farming and recreational pursuits.

Community & economy

Saint Johns is characterized by its strong sense of community, where residents take pride in their local heritage and traditions. The economy is supported by agriculture and small businesses, contributing to a vibrant local culture. Daily life in Saint Johns revolves around community events, farmers' markets, and local festivals that celebrate its rich history and foster connections among residents.

Transportation

The city is accessible via major highways, including U.S. Route 27 and M-21, which connect residents to nearby cities and attractions. The nearest named airport is the Lansing Capital Region International Airport, located about 30 miles south, offering both domestic and limited international flights. Public transit options may be limited, but the city’s layout supports convenient access by car.

History

Saint Johns was established in the mid-19th century, with its economy historically driven by agriculture, particularly the production of sugar beets. A notable event in its history is the introduction of the annual Clinton County Gratiot County Fair, which showcases local agriculture and livestock, reflecting the city's farming roots. Over the years, the city has maintained its agricultural ties while welcoming growth and development.

Did you know?

One surprising fact about Saint Johns is that it is home to the Michigan Sugar Company, which plays a significant role in the local economy and agricultural industry. Additionally, the city hosts the annual Hot Air Balloon Festival, which attracts visitors from across the region to enjoy colorful displays and family-friendly activities.

ZIP codes for Saint Johns, MI (1)

ZIP code	City	County	Map
48879	Saint Johns	Clinton	View map

Demographics & statistics

18,607

Population

42.3

Median age

$77,321

Median household income

$35,739

Per capita income

$200,100

Median home value

$885

Median monthly rent

82.5%

Home ownership

11.2%

Poverty rate

4.0%

Unemployment

6,209

Housing units

22.6%

Bachelor's or higher

Age distribution

Male Female

503

Under 5

491

702

5–9

685

653

10–14

638

629

15–19

613

396

20–24

387

1,141

25–34

1,113

1,016

35–44

991

1,293

45–54

1,261

745

55–59

726

564

60–64

551

974

65–74

951

517

75–84

504

285

85+

278

← Male

Female →

Age summary

Group	Count	%
Under 18	4,546	24.4%
18 and over	14,061	75.6%
65 and over	3,509	18.9%
Median age	42.3 years

Race & ethnicity

White 93.3%

Two or more races 3.2%

Hispanic or Latino 1.4%

American Indian / Alaska Native 0.9%

Black or African American 0.8%

Other race 0.3%

Asian 0.2%

Group	Count	%
White	17,600	93.3%
Two or more races	596	3.2%
Hispanic or Latino	260	1.4%
American Indian / Alaska Native	166	0.9%
Black or African American	153	0.8%
Other race	53	0.3%
Asian	37	0.2%

Household income

Under $10k 3.6%

$10k–$15k 2.7%

$15k–$25k 5.1%

$25k–$35k 7.4%

$35k–$50k 12.9%

$50k–$75k 16.8%

$75k–$100k 14.9%

$100k–$150k 20.0%

$150k–$200k 10.8%

$200k+ 5.8%

Range	% of households
Under $10k	3.6%
$10k–$15k	2.7%
$15k–$25k	5.1%
$25k–$35k	7.4%
$35k–$50k	12.9%
$50k–$75k	16.8%
$75k–$100k	14.9%
$100k–$150k	20.0%
$150k–$200k	10.8%
$200k+	5.8%
Median income	$77,321

Housing

Home values

Under $50k 5.5%

$50k–$100k 7.4%

$100k–$150k 16.6%

$150k–$200k 20.5%

$200k–$300k 29.7%

$300k–$500k 17.8%

$500k–$1M 2.0%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$200,100
Median rent / month	$885
Owner occupied	82.5%
Renter occupied	17.5%
Vacant	6.1%
Single-family detached	82.0%
Large apartment buildings	3.1%
Mobile homes	4.9%
Median rooms	6.6
Avg household size (owned)	2.68

Year built

Era	%
2020 or later	0.0%
2010–2019	3.2%
2000–2009	11.3%
1990–1999	13.3%
1980–1989	9.8%
1970–1979	17.0%
1960–1969	8.1%
1950–1959	7.6%
1940–1949	2.9%
1939 or earlier	26.8%

Bedrooms

Size	% of units
No bedroom (studio)	0.9%
1 bedroom	4.4%
2 bedrooms	18.4%
3 bedrooms	48.1%
4 bedrooms	22.1%
5+ bedrooms	6.1%

Vehicles per household

Vehicles	% of households
No vehicle	3.7%
1 vehicle	27.5%
2 vehicles	38.5%
3 or more	30.3%

Heating fuel

Fuel type	%
Utility gas	49.4%
Electricity	8.2%
Propane / LP gas	28.0%
Fuel oil	6.1%
Wood	5.5%
Solar	0.1%
No fuel used	1.1%

Households & families

Household type	Count	%
Married-couple family	3,921	56.2%
Cohabiting couple	488	7.0%
Male householder, no spouse	961	13.8%
Female householder, no spouse	1,602	23.0%
Households with children under 18	2,169	31.1%
Households with seniors (65+)	2,325	33.3%
Average household size	2.62

Marital status

Status	Male	Female
Never married	30.2%	22.8%
Married	56.3%	53.2%
Separated	1.8%	0.9%
Widowed	4.1%	11.0%
Divorced	7.6%	12.0%

Education

Less than 9th grade 1.8%

Some HS, no diploma 3.8%

HS graduate 31.1%

Some college, no degree 27.9%

Associate's degree 12.8%

Bachelor's degree 15.1%

Graduate / professional 7.6%

Metric	%
HS diploma or higher	94.4%
Bachelor's or higher	22.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	232	5.3%
Kindergarten	268	6.2%
Elementary school	2,089	48.0%
High school	1,128	25.9%
College / grad school	633	14.6%

Employment

Industry of employment

Education & healthcare 22.7%

Manufacturing 11.6%

Public administration 11.1%

Retail trade 9.1%

Finance & real estate 8.3%

Professional & management 7.3%

Construction 6.6%

Arts, food & hospitality 6.2%

Other services 5.0%

Transportation & utilities 4.7%

Wholesale trade 4.3%

Agriculture & mining 2.7%

Information 0.6%

Occupation

Category	%
Management, business & arts	33.0%
Service	19.9%
Sales & office	21.5%
Natural resources & construction	10.4%
Production & transportation	15.3%

Employment type

Type	%
Private sector	73.6%
Government	18.8%
Self-employed	7.4%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	81.4%
Carpool	5.2%
Public transit	0.6%
Walk	2.1%
Other means	0.4%
Avg commute (minutes)	24.4

Poverty

All people 11.2%

Under 18 years 21.8%

18 and over 7.7%

Married-couple families 3.4%

Female-led households 24.5%

Income support

Source	% of households
Social Security	38.5%
Retirement income	33.3%
Supplemental Security	3.7%
Cash public assistance	3.9%
Food stamps / SNAP	9.2%

Health indicators

Condition	%
High blood pressure	31.7%
High cholesterol	34.0%
Heart disease	6.3%
Stroke	2.8%
Asthma	10.7%
Arthritis	29.6%
Kidney disease	2.7%
Pulmonary disease	7.1%
Cancer	6.8%

Behavior / access	%
Binge drinking	19.3%
No physical activity	18.5%
Less than 7 hrs sleep	32.0%
Fair or poor health	12.9%
Poor mental health	15.6%
Poor physical health	10.2%
No health insurance	8.9%
Visited doctor (checkup)	75.1%
Visited dentist	72.2%
Cholesterol screening	91.4%
Teeth loss	11.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,025	7.3%

Disability	%
Any disability	13.0%
Under 18	4.0%
18–64 years	10.1%
65 and over	33.9%

Health insurance coverage

Type	%
Private insurance	79.7%
Public insurance	37.4%
Uninsured under 19	0.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	17,613	94.7%
Spanish	66	0.4%
Other Indo-European	41	0.2%
Asian & Pacific Islander	20	0.1%
Other languages	5	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	18,432	99.1%
Born in same state	18,378	98.8%
Born in different state	16,613	89.3%
Foreign born	54	0.3%
Naturalized citizen	175	0.9%
Not a US citizen	136	77.7%

Ancestry

Ancestry	Count	%
French	2,286	12.3%
Italian	2,208	11.9%
Arab	1,159	6.2%
English	630	3.4%
Polish	175	0.9%

Ancestry	Count	%
German	144	0.8%
Norwegian	73	0.4%
Dutch	69	0.4%
Irish	65	0.3%

Technology access

Metric	% of households
Computer access	37.5%
Internet access	94.0%

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

Frequently asked questions

What is the ZIP code for Saint Johns, MI?

Saint Johns, MI has one ZIP code: 48879.

What is the main ZIP code for Saint Johns, MI?

The primary ZIP code for Saint Johns, MI is 48879. The city uses area code 989 for phone service.

What county is Saint Johns, MI in?

Saint Johns is located in Clinton County, Michigan.

How many ZIP codes are in Saint Johns, MI?

Saint Johns, MI has 1 ZIP code.

What is the ZIP code for downtown Saint Johns and the surrounding business district?

The downtown Saint Johns area, including the central business district along Main Street, uses the ZIP code 48879.

What ZIP code should I use for mailing packages to addresses in Saint Johns near the Clinton County fairgrounds?

Addresses in Saint Johns near the Clinton County fairgrounds and throughout the city use ZIP code 48879.