48137 ZIP Code — Gregory, MI

Livingston County, Michigan

ZIP code 48137 is located in Gregory, Michigan, within Livingston County. It covers approximately 43.32 square miles and serves a population of 4,361 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 734.

About ZIP code 48137

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $275,500. Owner-occupancy is high at 90%, well above the national average.

Median household income is $85,084. 38% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 37 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.

Overall, ZIP code 48137 reflects a community defined by high homeownership and a significant Social Security-dependent population.

4,361

population

43.32

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

48137 ZIP code map

Cities in ZIP code 48137

Below are the cities the US Postal Service accepts for ZIP code 48137. Using any city not on this list may result in mail delivery delays.

City	Status
Gregory	Acceptable
Gregory	Preferred

Nearby ZIP codes

48169 Pinckney (5.4 mi) 49285 Stockbridge (8.1 mi) 48843 Howell (10.2 mi) 48118 Chelsea (10.4 mi) 48130 Dexter (11.1 mi) 49259 Munith (12 mi) 48819 Dansville (12.7 mi) 48836 Fowlerville (13.6 mi) 48189 Whitmore Lake (13.7 mi) 48892 Webberville (13.9 mi) 49240 Grass Lake (14.2 mi) 48116 Brighton (14.6 mi)

Demographics updated 07/2026

Population
Total population	4,361
Population density	101 / sq mi
State FIPS	26
County FIPS	093

Geography
Land area	43.32 sq mi
Water area	2.43 sq mi
Latitude	42.4674
Longitude	-84.0506
Timezone	Eastern (ET)
Area code	734

Total population by age

Gender

Race & ethnicity

Economics updated 07/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.2%	28.0%	42.6%
$50k – $100k	35.4%	32.3%	31.1%
$100k – $200k	21.9%	30.5%	20.6%
Over $200k	3.5%	9.2%	5.7%

Demographics & statistics

4,361

Population

101

People per sq mi

52.5

Median age

$85,084

Median household income

$39,004

Per capita income

$275,500

Median home value

$952

Median monthly rent

90.0%

Home ownership

9.2%

Poverty rate

3.0%

Unemployment

2,177

Housing units

30.5%

Bachelor's or higher

Age distribution

Male Female

115

Under 5

104

5–9

100

10–14

122

15–19

110

20–24

277

25–34

248

183

35–44

164

297

45–54

266

238

55–59

213

309

60–64

277

310

65–74

278

121

75–84

108

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	718	16.5%
18 and over	3,643	83.5%
65 and over	911	20.9%
Median age	52.5 years

Race & ethnicity

White 98.1%

Two or more races 1%

Black or African American 0.4%

American Indian / Alaska Native 0.4%

Group	Count	%
White	4,279	98.1%
Two or more races	44	1%
Black or African American	19	0.4%
American Indian / Alaska Native	18	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.2%	28.0%	42.6%
$50k – $100k	35.4%	32.3%	31.1%
$100k – $200k	21.9%	30.5%	20.6%
Over $200k	3.5%	9.2%	5.7%

Under $10k 2.2%

$10k–$15k 9.5%

$15k–$25k 2.2%

$25k–$35k 11.8%

$35k–$50k 6.0%

$50k–$75k 12.5%

$75k–$100k 17.7%

$100k–$150k 19.0%

$150k–$200k 14.5%

$200k+ 4.6%

Range	% of households
Under $10k	2.2%
$10k–$15k	9.5%
$15k–$25k	2.2%
$25k–$35k	11.8%
$35k–$50k	6.0%
$50k–$75k	12.5%
$75k–$100k	17.7%
$100k–$150k	19.0%
$150k–$200k	14.5%
$200k+	4.6%
Median income	$85,084

Housing

Home values

Under $50k 1.8%

$50k–$100k 0.9%

$100k–$150k 8.2%

$150k–$200k 12.5%

$200k–$300k 36.9%

$300k–$500k 32.0%

$500k–$1M 7.6%

Housing overview

Metric	Value
Median home value	$275,500
Median rent / month	$952
Owner occupied	90.0%
Renter occupied	10.0%
Vacant	19.9%
Single-family detached	95.3%
Large apartment buildings	0.0%
Mobile homes	2.2%
Median rooms	6.4
Avg household size (owned)	2.30

Year built

Era	%
2020 or later	0.2%
2010–2019	4.9%
2000–2009	13.9%
1990–1999	14.4%
1980–1989	6.8%
1970–1979	18.5%
1960–1969	6.8%
1950–1959	4.0%
1940–1949	13.8%
1939 or earlier	16.8%

Bedrooms

Size	% of units
No bedroom (studio)	1.3%
1 bedroom	2.3%
2 bedrooms	24.7%
3 bedrooms	40.7%
4 bedrooms	24.6%
5+ bedrooms	6.4%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	23.8%
2 vehicles	47.2%
3 or more	29.0%

Heating fuel

Fuel type	%
Utility gas	46.3%
Electricity	13.5%
Propane / LP gas	25.1%
Fuel oil	4.0%
Wood	10.0%

Households & families

Household type	Count	%
Married-couple family	1,177	62.1%
Cohabiting couple	87	4.6%
Male householder, no spouse	306	16.1%
Female householder, no spouse	325	17.2%
Households with children under 18	439	23.2%
Households with seniors (65+)	576	30.4%
Average household size	2.30

Marital status

Status	Male	Female
Never married	23.1%	12.2%
Married	63.2%	72.0%
Separated	0.3%	0.8%
Widowed	1.1%	7.7%
Divorced	12.3%	7.4%

Education

Less than 9th grade 0.2%

Some HS, no diploma 7.0%

HS graduate 27.3%

Some college, no degree 26.8%

Associate's degree 8.2%

Bachelor's degree 19.5%

Graduate / professional 11.1%

Metric	%
HS diploma or higher	92.8%
Bachelor's or higher	30.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	115	15.4%
Kindergarten	48	6.4%
Elementary school	225	30.2%
High school	204	27.4%
College / grad school	153	20.5%

Employment

Industry of employment

Education & healthcare 22.3%

Manufacturing 15.4%

Professional & management 12.9%

Arts, food & hospitality 9.9%

Retail trade 8.1%

Construction 7.9%

Transportation & utilities 6.2%

Other services 6.1%

Finance & real estate 3.2%

Wholesale trade 2.9%

Public administration 2.8%

Agriculture & mining 1.2%

Information 1.1%

Occupation

Category	%
Management, business & arts	29.8%
Service	24.7%
Sales & office	14.3%
Natural resources & construction	11.1%
Production & transportation	20.2%

Employment type

Type	%
Private sector	85.6%
Government	7.8%
Self-employed	6.2%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	80.0%
Carpool	5.7%
Public transit	0.0%
Walk	2.3%
Work from home	6.9%
Other means	5.0%
Avg commute (minutes)	37.0

Poverty

All people 9.2%

Under 18 years 5.4%

18 and over 9.9%

Married-couple families 0.0%

Female-led households 70.0%

Income support

Source	% of households
Social Security	37.9%
Retirement income	26.1%
Supplemental Security	3.6%
Cash public assistance	1.2%
Food stamps / SNAP	5.4%

Health indicators

Condition	%
Obesity	34.8%
High blood pressure	31.0%
High cholesterol	32.6%
Diabetes	9.4%
Heart disease	6.0%
Stroke	2.7%
Asthma	10.7%
Arthritis	28.4%
Kidney disease	2.6%
Pulmonary disease	6.8%
Cancer	6.9%

Behavior / access	%
Smoking	18.5%
Binge drinking	19.3%
No physical activity	17.5%
Less than 7 hrs sleep	32.7%
Depression	22.2%
Fair or poor health	11.9%
Poor mental health	15.4%
Poor physical health	9.8%
No health insurance	8.3%
Visited doctor (checkup)	72.1%
Visited dentist	72.6%
Cholesterol screening	92.6%
Teeth loss	10.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	279	7.7%

Disability	%
Any disability	14.0%
Under 18	2.4%
18–64 years	12.2%
65 and over	28.5%

Health insurance coverage

Type	%
Private insurance	80.5%
Public insurance	33.7%
No insurance	5.1%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,142	95.0%
Spanish	6	0.1%
Other Indo-European	5	0.1%
Asian & Pacific Islander	0	0.0%
Other languages	1	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,226	96.9%
Born in same state	4,125	94.6%
Born in different state	3,556	81.5%
Foreign born	101	2.3%
Naturalized citizen	135	3.1%
Not a US citizen	106	78.5%

Ancestry

Ancestry	Count	%
French	744	17.1%
Italian	548	12.6%
Arab	330	7.6%
Polish	51	1.2%

Ancestry	Count	%
Irish	43	1%
English	42	1%
German	10	0.2%

Technology access

Metric	% of households
Computer access	43.5%
Internet access	97.2%

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

Frequently asked questions about ZIP code 48137

What city is ZIP code 48137 in?

ZIP code 48137 is primarily assigned to Gregory, Michigan.

What county is ZIP code 48137 in?

ZIP code 48137 falls within Livingston County, Michigan.

Is ZIP code 48137 mostly owner-occupied?

90% of occupied units in ZIP code 48137 are owner-occupied, well above the national average.

Does ZIP code 48137 have a large retiree population?

38% of households in ZIP code 48137 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 48137?

ZIP code 48137 has an estimated population of 4,361 residents, with a density of 101 people per square mile.

What is the typical home value in ZIP code 48137?

The median home value in ZIP code 48137 is $275,500.

What timezone is ZIP code 48137 in?

ZIP code 48137 observes the EST timezone.