Grass Lake ZIP Code List — Jackson County, MI

There is one unique ZIP code in Grass Lake, Michigan and it is 49240. Area code: 517.

ZIP codes

104.10

sq mi land

3.61

sq mi water

517

area code

Grass Lake, MI ZIP code map

About Grass Lake, MI

Grass Lake, Michigan, is a quaint town located in Jackson County. This small but vibrant community offers a peaceful atmosphere surrounded by natural beauty. With its charming setting and friendly residents, Grass Lake is an attractive place for both residents and visitors alike.

Location & geography

Geographically, Grass Lake is positioned in southern Michigan, making it easily accessible from larger cities. It is located near several cities such as Jackson, which is approximately 12 miles to the southwest, Ann Arbor around 25 miles to the northeast, Chelsea about 19 miles to the northwest, and Howell roughly 28 miles to the east. The town encompasses a total land area of 104.10 square miles, with a water area of 3.61 square miles, providing a diverse landscape of hills and lakes.

Community & economy

The community of Grass Lake is characterized by its friendly atmosphere and strong sense of local pride. Residents enjoy a mix of agriculture, small businesses, and recreational activities that cater to families and individuals alike. Daily life here centers around community events, outdoor activities in the picturesque environment, and a commitment to preserving the town's unique character.

Transportation

Transportation in Grass Lake is facilitated by several key highways, including Interstate 94, which is easily accessible for regional travel. The nearest named airports are the Jackson County Airport and Ann Arbor's Willow Run Airport, providing options for air travel. Local transit options may be limited, but the community's small-town feel makes it easy to navigate on foot or by car.

History

Grass Lake was founded in the mid-19th century, growing primarily due to its agricultural roots. Over the years, the town has seen various industries evolve, but it has retained a strong connection to its agricultural heritage. Notable events in the town's development include the establishment of local schools and the annual community fairs that celebrate the town's history and culture.

Did you know?

One surprising fact about Grass Lake is that it is home to several beautiful parks and lakes, making it a hidden gem for outdoor enthusiasts. Additionally, the town hosts annual events that draw visitors from surrounding areas, showcasing its rich local culture.

ZIP codes for Grass Lake, MI (1)

ZIP code	City	County	Map
49240	Grass Lake	Jackson	View map

Demographics & statistics

9,379

Population

44.4

Median age

$92,097

Median household income

$42,520

Per capita income

$258,100

Median home value

$1,182

Median monthly rent

93.8%

Home ownership

3.7%

Poverty rate

2.3%

Unemployment

3,638

Housing units

32.2%

Bachelor's or higher

Age distribution

Male Female

280

Under 5

249

221

5–9

197

375

10–14

332

283

15–19

252

181

20–24

160

536

25–34

476

681

35–44

605

708

45–54

629

354

55–59

314

385

60–64

342

552

65–74

489

346

75–84

307

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,970	21.0%
18 and over	7,409	79.0%
65 and over	1,819	19.4%
Median age	44.4 years

Race & ethnicity

White 92.8%

Two or more races 4%

Hispanic or Latino 2.5%

Asian 0.5%

Black or African American 0.1%

Other race 0.1%

American Indian / Alaska Native 0.1%

Group	Count	%
White	8,923	92.8%
Two or more races	383	4%
Hispanic or Latino	240	2.5%
Asian	50	0.5%
Black or African American	9	0.1%
Other race	8	0.1%
American Indian / Alaska Native	6	0.1%

Household income

Under $10k 0.8%

$10k–$15k 2.5%

$15k–$25k 2.8%

$25k–$35k 3.3%

$35k–$50k 8.9%

$50k–$75k 20.1%

$75k–$100k 17.6%

$100k–$150k 24.6%

$150k–$200k 12.1%

$200k+ 7.4%

Range	% of households
Under $10k	0.8%
$10k–$15k	2.5%
$15k–$25k	2.8%
$25k–$35k	3.3%
$35k–$50k	8.9%
$50k–$75k	20.1%
$75k–$100k	17.6%
$100k–$150k	24.6%
$150k–$200k	12.1%
$200k+	7.4%
Median income	$92,097

Housing

Home values

Under $50k 2.7%

$50k–$100k 4.2%

$100k–$150k 8.2%

$150k–$200k 14.5%

$200k–$300k 38.6%

$300k–$500k 23.8%

$500k–$1M 7.8%

$1M+ 0.1%

Housing overview

Metric	Value
Median home value	$258,100
Median rent / month	$1,182
Owner occupied	93.8%
Renter occupied	6.2%
Vacant	5.3%
Single-family detached	92.3%
Large apartment buildings	0.0%
Mobile homes	2.9%
Median rooms	6.3
Avg household size (owned)	2.59

Year built

Era	%
2020 or later	0.0%
2010–2019	4.7%
2000–2009	19.8%
1990–1999	18.7%
1980–1989	7.3%
1970–1979	11.8%
1960–1969	6.4%
1950–1959	9.6%
1940–1949	7.3%
1939 or earlier	14.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.6%
2 bedrooms	13.0%
3 bedrooms	61.8%
4 bedrooms	16.3%
5+ bedrooms	5.3%

Vehicles per household

Vehicles	% of households
No vehicle	0.6%
1 vehicle	20.7%
2 vehicles	49.2%
3 or more	29.5%

Heating fuel

Fuel type	%
Utility gas	54.2%
Electricity	7.4%
Propane / LP gas	31.9%
Fuel oil	1.7%
Wood	4.0%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	2,350	64.2%
Cohabiting couple	252	6.9%
Male householder, no spouse	514	14.0%
Female householder, no spouse	547	14.9%
Households with children under 18	981	26.8%
Households with seniors (65+)	1,325	36.2%
Average household size	2.56

Marital status

Status	Male	Female
Never married	26.6%	14.1%
Married	62.6%	66.1%
Separated	0.5%	0.2%
Widowed	2.9%	6.3%
Divorced	7.4%	13.3%

Education

Less than 9th grade 0.5%

Some HS, no diploma 2.7%

HS graduate 28.3%

Some college, no degree 23.9%

Associate's degree 12.5%

Bachelor's degree 20.7%

Graduate / professional 11.5%

Metric	%
HS diploma or higher	96.8%
Bachelor's or higher	32.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	64	3.1%
Kindergarten	76	3.7%
Elementary school	941	45.3%
High school	468	22.5%
College / grad school	528	25.4%

Employment

Industry of employment

Education & healthcare 32.1%

Manufacturing 15.3%

Professional & management 9.3%

Retail trade 8.8%

Arts, food & hospitality 8.8%

Other services 6.3%

Construction 6.2%

Finance & real estate 5.3%

Transportation & utilities 2.9%

Public administration 2.3%

Information 1.3%

Wholesale trade 1.0%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	44.8%
Service	17.5%
Sales & office	19.5%
Natural resources & construction	8.2%
Production & transportation	10.0%

Employment type

Type	%
Private sector	83.7%
Government	12.5%
Self-employed	3.5%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	79.9%
Carpool	7.0%
Public transit	0.0%
Walk	1.7%
Other means	1.2%
Avg commute (minutes)	26.6

Poverty

All people 3.7%

Under 18 years 1.2%

18 and over 4.3%

Married-couple families 1.1%

Female-led households 8.2%

Income support

Source	% of households
Social Security	37.4%
Retirement income	31.0%
Supplemental Security	3.8%
Cash public assistance	0.2%
Food stamps / SNAP	2.6%

Health indicators

Condition	%
High blood pressure	29.9%
High cholesterol	34.1%
Heart disease	5.6%
Stroke	2.5%
Asthma	10.8%
Arthritis	27.3%
Kidney disease	2.4%
Pulmonary disease	6.2%
Cancer	6.8%

Behavior / access	%
Binge drinking	20.5%
No physical activity	15.8%
Less than 7 hrs sleep	33.6%
Fair or poor health	11.0%
Poor mental health	14.9%
Poor physical health	9.0%
No health insurance	7.3%
Visited doctor (checkup)	73.5%
Visited dentist	73.9%
Cholesterol screening	92.7%
Teeth loss	8.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	663	9.0%

Disability	%
Any disability	10.0%
Under 18	1.3%
18–64 years	6.2%
65 and over	30.8%

Health insurance coverage

Type	%
Private insurance	87.5%
Public insurance	29.2%
Uninsured under 19	3.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	8,850	94.4%
Spanish	90	1.0%
Other Indo-European	54	0.6%
Asian & Pacific Islander	35	0.4%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	9,216	98.3%
Born in same state	9,149	97.5%
Born in different state	7,486	79.8%
Foreign born	67	0.7%
Naturalized citizen	163	1.7%
Not a US citizen	99	60.7%

Ancestry

Ancestry	Count	%
French	2,297	24.5%
Italian	1,237	13.2%
Arab	599	6.4%
Irish	271	2.9%
English	249	2.7%

Ancestry	Count	%
German	208	2.2%
Dutch	32	0.3%
Polish	23	0.2%
Norwegian	17	0.2%

Technology access

Metric	% of households
Computer access	39.1%
Internet access	94.2%

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

Frequently asked questions

What is the ZIP code for Grass Lake, MI?

Grass Lake, MI has one ZIP code: 49240.

What is the main ZIP code for Grass Lake, MI?

The primary ZIP code for Grass Lake, MI is 49240. The city uses area code 517 for phone service.

What county is Grass Lake, MI in?

Grass Lake is located in Jackson County, Michigan.

How many ZIP codes are in Grass Lake, MI?

Grass Lake, MI has 1 ZIP code.

What is the ZIP code for the downtown area of Grass Lake, Michigan?

Downtown Grass Lake is located in ZIP code 49240, which serves as the primary postal code for the city in Jackson County.

If I'm mailing something to a residential address in Grass Lake, MI, what ZIP code should I use?

All residential addresses in Grass Lake use the ZIP code 49240, which covers the entire municipality.