Sumner ZIP Code List — Gratiot County, MI

There is one unique ZIP code in Sumner, Michigan and it is 48889. Area code: 989.

ZIP codes

31.02

sq mi land

0.29

sq mi water

989

area code

Sumner, MI ZIP code map

About Sumner, MI

Sumner, Michigan, is a small, unincorporated community located in Gratiot County. Known for its rural charm and friendly atmosphere, Sumner offers a glimpse into the tranquil life of Midwestern small towns. This community is a tight-knit place where neighbors know each other and local gatherings are cherished.

Location & geography

Geographically, Sumner spans an area of 31.02 square miles, with a small water area of 0.29 square miles. It is situated in the central part of Michigan, with nearby cities such as Alma located about 10 miles to the south, St. Louis approximately 9 miles to the southwest, and Ithaca roughly 11 miles northeast. The terrain around Sumner consists primarily of flat agricultural land, typical of Michigan's central farming region.

Community & economy

The character of Sumner resonates with a laid-back, rural lifestyle characterized by community ties and a slower pace of life. The local economy centers around agriculture, with many residents engaged in farming and related industries, contributing to the area's overall charm. Daily life in Sumner promotes outdoor activities, family gatherings, and participation in local events throughout the year.

Transportation

Transportation in and out of Sumner is primarily facilitated by local roads, with M-46 being the nearest major highway running east-west nearby. The nearest airport is the Gratiot Community Airport, providing general aviation services and located a short drive away from the community.

History

Sumner was founded in the late 19th century and has maintained its character as a rural community ever since. Key industries in the area have traditionally revolved around agriculture, reflecting the region's fertile land and farming history. Notable events in Sumner's history include various community celebrations that foster local pride and unity.

Did you know?

One surprising fact about Sumner is that it has only one ZIP code, 48889, which serves the entire community. Additionally, the area is recognized for its beautiful natural landscapes, making it a hidden gem for outdoor enthusiasts.

ZIP codes for Sumner, MI (1)

ZIP code	City	County	Map
48889	Sumner	Gratiot	View map

Demographics & statistics

1,482

Population

46.1

Median age

$57,500

Median household income

$40,856

Per capita income

$120,300

Median home value

$952

Median monthly rent

81.0%

Home ownership

12.2%

Poverty rate

7.5%

Unemployment

594

Housing units

12.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

104

45–54

114

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	339	22.9%
18 and over	1,143	77.1%
65 and over	259	17.5%
Median age	46.1 years

Race & ethnicity

White 93.3%

Two or more races 4.4%

Hispanic or Latino 1.7%

Black or African American 0.6%

Group	Count	%
White	1,407	93.3%
Two or more races	66	4.4%
Hispanic or Latino	26	1.7%
Black or African American	9	0.6%

Household income

Under $10k 8.6%

$10k–$15k 5.2%

$15k–$25k 8.2%

$25k–$35k 7.4%

$35k–$50k 16.5%

$50k–$75k 14.8%

$75k–$100k 18.2%

$100k–$150k 14.6%

$150k–$200k 3.9%

$200k+ 2.5%

Range	% of households
Under $10k	8.6%
$10k–$15k	5.2%
$15k–$25k	8.2%
$25k–$35k	7.4%
$35k–$50k	16.5%
$50k–$75k	14.8%
$75k–$100k	18.2%
$100k–$150k	14.6%
$150k–$200k	3.9%
$200k+	2.5%
Median income	$57,500

Housing

Home values

Under $50k 13.2%

$50k–$100k 28.9%

$100k–$150k 18.6%

$150k–$200k 10.7%

$200k–$300k 19.0%

$300k–$500k 8.5%

$500k–$1M 1.0%

Housing overview

Metric	Value
Median home value	$120,300
Median rent / month	$952
Owner occupied	81.0%
Renter occupied	19.0%
Vacant	11.0%
Single-family detached	80.4%
Large apartment buildings	3.2%
Mobile homes	16.4%
Median rooms	6.0
Avg household size (owned)	2.44

Year built

Era	%
2020 or later	0.7%
2010–2019	2.4%
2000–2009	10.9%
1990–1999	10.3%
1980–1989	19.7%
1970–1979	14.1%
1960–1969	9.2%
1950–1959	6.4%
1940–1949	5.5%
1939 or earlier	20.7%

Bedrooms

Size	% of units
No bedroom (studio)	2.7%
1 bedroom	5.5%
2 bedrooms	22.0%
3 bedrooms	50.1%
4 bedrooms	12.3%
5+ bedrooms	7.6%

Vehicles per household

Vehicles	% of households
No vehicle	8.2%
1 vehicle	25.8%
2 vehicles	40.3%
3 or more	25.8%

Heating fuel

Fuel type	%
Utility gas	21.1%
Electricity	4.7%
Propane / LP gas	49.5%
Fuel oil	4.4%
Wood	11.6%

Households & families

Household type	Count	%
Married-couple family	345	54.2%
Cohabiting couple	28	4.4%
Male householder, no spouse	118	18.6%
Female householder, no spouse	145	22.8%
Households with children under 18	186	29.2%
Households with seniors (65+)	201	31.6%
Average household size	2.33

Marital status

Status	Male	Female
Never married	25.8%	19.9%
Married	61.4%	54.6%
Separated	1.2%	0.0%
Widowed	0.5%	11.6%
Divorced	11.2%	13.9%

Education

Less than 9th grade 0.3%

Some HS, no diploma 5.1%

HS graduate 48.3%

Some college, no degree 22.8%

Associate's degree 11.0%

Bachelor's degree 8.3%

Graduate / professional 4.1%

Metric	%
HS diploma or higher	94.6%
Bachelor's or higher	12.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	21	6.2%
Kindergarten	28	8.2%
Elementary school	115	33.8%
High school	113	33.2%
College / grad school	63	18.5%

Employment

Industry of employment

Education & healthcare 25.3%

Manufacturing 18.1%

Construction 11.7%

Retail trade 9.9%

Agriculture & mining 8.4%

Arts, food & hospitality 7.6%

Professional & management 5.3%

Public administration 4.6%

Transportation & utilities 4.4%

Other services 2.6%

Finance & real estate 1.0%

Information 0.7%

Wholesale trade 0.5%

Occupation

Category	%
Management, business & arts	28.8%
Service	18.6%
Sales & office	19.7%
Natural resources & construction	14.0%
Production & transportation	18.9%

Employment type

Type	%
Private sector	77.0%
Government	14.8%
Self-employed	8.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.2%
Carpool	6.7%
Public transit	0.0%
Walk	1.3%
Other means	0.7%
Avg commute (minutes)	25.2

Poverty

All people 12.2%

Under 18 years 9.8%

18 and over 12.9%

Married-couple families 2.9%

Female-led households 30.0%

Income support

Source	% of households
Social Security	31.1%
Retirement income	30.3%
Supplemental Security	11.2%
Cash public assistance	3.5%
Food stamps / SNAP	15.4%

Health indicators

Condition	%
High blood pressure	36.4%
High cholesterol	36.1%
Heart disease	7.7%
Stroke	3.5%
Asthma	11.0%
Arthritis	32.3%
Kidney disease	3.2%
Pulmonary disease	9.2%
Cancer	7.5%

Behavior / access	%
Binge drinking	18.5%
No physical activity	23.1%
Less than 7 hrs sleep	31.7%
Fair or poor health	16.4%
Poor mental health	16.3%
Poor physical health	12.3%
No health insurance	9.9%
Visited doctor (checkup)	74.0%
Visited dentist	64.7%
Cholesterol screening	91.4%
Teeth loss	14.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	55	4.8%

Disability	%
Any disability	19.0%
Under 18	3.8%
18–64 years	16.3%
65 and over	47.9%

Health insurance coverage

Type	%
Private insurance	72.5%
Public insurance	45.7%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,408	95.0%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,474	99.5%
Born in same state	1,471	99.3%
Born in different state	1,362	91.9%
Foreign born	3	0.2%
Naturalized citizen	8	0.5%
Not a US citizen	8	100.0%

Ancestry

Ancestry	Count	%
Italian	181	12.2%
French	142	9.6%
Arab	133	9%
English	35	2.4%

Ancestry	Count	%
Dutch	24	1.6%
German	12	0.8%
Polish	9	0.6%
Irish	3	0.2%

Technology access

Metric	% of households
Computer access	42.9%
Internet access	89.9%

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

Frequently asked questions

What is the ZIP code for Sumner, MI?

Sumner, MI has one ZIP code: 48889.

What is the main ZIP code for Sumner, MI?

The primary ZIP code for Sumner, MI is 48889. The city uses area code 989 for phone service.

What county is Sumner, MI in?

Sumner is located in Gratiot County, Michigan.

How many ZIP codes are in Sumner, MI?

Sumner, MI has 1 ZIP code.

What is the ZIP code for the downtown Sumner area in Gratiot County?

The downtown Sumner area uses ZIP code 48889, which serves the central business district and residential neighborhoods throughout the village.

If I'm mailing a package to a business in Sumner, Michigan, what ZIP code should I use?

All mail addressed to Sumner, Michigan should use ZIP code 48889, as it is the only ZIP code serving this village in Gratiot County.