49270 ZIP Code — Petersburg, MI

Monroe County, Michigan

ZIP code 49270 is located in Petersburg, Michigan, within Monroe County. It covers approximately 44.91 square miles and serves a population of 5,634 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 734.

About ZIP code 49270

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 $250,500. Owner-occupancy is high at 91%, well above the national average.

Median household income is $81,419. 40% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 31 minutes is near the national average.

Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.

Overall, ZIP code 49270 reflects a community defined by high homeownership and a significant Social Security-dependent population.

5,634

population

44.91

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

49270 ZIP code map

Cities in ZIP code 49270

Below are the cities the US Postal Service accepts for ZIP code 49270. Using any city not on this list may result in mail delivery delays.

City	Status
Petersburg	Preferred

Nearby ZIP codes

48140 Ida (5.3 mi) 48131 Dundee (6.1 mi) 49238 Deerfield (6.6 mi) 49276 Riga (6.8 mi) 48182 Temperance (7 mi) 49267 Ottawa Lake (7.2 mi) 48144 Lambertville (8.2 mi) 49228 Blissfield (10.1 mi) 43623 Toledo (11.1 mi) 48161 Monroe (11.2 mi) 43613 Toledo (11.8 mi) 43560 Sylvania (12.1 mi)

Demographics updated 05/2026

Population
Total population	5,634
Population density	125 / sq mi
State FIPS	26
County FIPS	115

Geography
Land area	44.91 sq mi
Water area	0.43 sq mi
Latitude	41.8649
Longitude	-83.6809
Timezone	Eastern (ET)
Area code	734

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.3%	36.2%	42.6%
$50k – $100k	36.3%	34.2%	31.1%
$100k – $200k	28.5%	24.9%	20.6%
Over $200k	4.9%	4.7%	5.7%

Demographics & statistics

5,634

Population

125

People per sq mi

47.6

Median age

$81,419

Median household income

$37,043

Per capita income

$250,500

Median home value

$688

Median monthly rent

91.3%

Home ownership

9.5%

Poverty rate

3.2%

Unemployment

2,066

Housing units

26.0%

Bachelor's or higher

Age distribution

Male Female

182

Under 5

188

110

5–9

113

147

10–14

153

211

15–19

219

127

20–24

132

258

25–34

267

252

35–44

262

396

45–54

410

283

55–59

293

268

60–64

278

326

65–74

337

166

75–84

173

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,139	20.2%
18 and over	4,495	79.8%
65 and over	1,085	19.3%
Median age	47.6 years

Race & ethnicity

White 92.9%

Two or more races 3.8%

Hispanic or Latino 1.9%

Other race 0.8%

Black or African American 0.5%

Group	Count	%
White	5,336	92.9%
Two or more races	221	3.8%
Hispanic or Latino	107	1.9%
Other race	48	0.8%
Black or African American	29	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	30.3%	36.2%	42.6%
$50k – $100k	36.3%	34.2%	31.1%
$100k – $200k	28.5%	24.9%	20.6%
Over $200k	4.9%	4.7%	5.7%

Under $10k 1.5%

$10k–$15k 2.1%

$15k–$25k 10.6%

$25k–$35k 3.4%

$35k–$50k 9.8%

$50k–$75k 18.1%

$75k–$100k 11.5%

$100k–$150k 19.5%

$150k–$200k 11.7%

$200k+ 11.8%

Range	% of households
Under $10k	1.5%
$10k–$15k	2.1%
$15k–$25k	10.6%
$25k–$35k	3.4%
$35k–$50k	9.8%
$50k–$75k	18.1%
$75k–$100k	11.5%
$100k–$150k	19.5%
$150k–$200k	11.7%
$200k+	11.8%
Median income	$81,419

Housing

Home values

Under $50k 5.6%

$50k–$100k 2.8%

$100k–$150k 11.4%

$150k–$200k 16.0%

$200k–$300k 24.5%

$300k–$500k 36.0%

$500k–$1M 3.3%

$1M+ 0.4%

Housing overview

Metric	Value
Median home value	$250,500
Median rent / month	$688
Owner occupied	91.3%
Renter occupied	8.7%
Vacant	8.6%
Single-family detached	97.6%
Large apartment buildings	0.1%
Mobile homes	0.4%
Median rooms	6.7
Avg household size (owned)	2.78

Year built

Era	%
2020 or later	0.0%
2010–2019	3.1%
2000–2009	8.0%
1990–1999	13.5%
1980–1989	7.2%
1970–1979	22.6%
1960–1969	5.9%
1950–1959	16.8%
1940–1949	10.3%
1939 or earlier	12.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	2.1%
2 bedrooms	12.2%
3 bedrooms	57.5%
4 bedrooms	23.5%
5+ bedrooms	4.3%

Vehicles per household

Vehicles	% of households
No vehicle	1.2%
1 vehicle	20.2%
2 vehicles	34.7%
3 or more	43.9%

Heating fuel

Fuel type	%
Utility gas	61.6%
Electricity	5.8%
Propane / LP gas	27.0%
Fuel oil	1.1%
Wood	3.4%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	1,376	67.1%
Cohabiting couple	162	7.9%
Male householder, no spouse	232	11.3%
Female householder, no spouse	280	13.7%
Households with children under 18	517	25.2%
Households with seniors (65+)	736	35.9%
Average household size	2.71

Marital status

Status	Male	Female
Never married	23.2%	19.8%
Married	63.6%	61.3%
Separated	0.0%	0.0%
Widowed	2.2%	9.4%
Divorced	11.0%	9.6%

Education

Less than 9th grade 0.3%

Some HS, no diploma 6.3%

HS graduate 32.5%

Some college, no degree 20.8%

Associate's degree 14.1%

Bachelor's degree 16.7%

Graduate / professional 9.3%

Metric	%
HS diploma or higher	93.4%
Bachelor's or higher	26.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	68	5.8%
Kindergarten	71	6.1%
Elementary school	443	38.1%
High school	301	25.9%
College / grad school	281	24.1%

Employment

Industry of employment

Manufacturing 22.9%

Education & healthcare 21.8%

Transportation & utilities 10.7%

Retail trade 9.8%

Arts, food & hospitality 9.0%

Professional & management 8.0%

Construction 7.0%

Public administration 3.4%

Other services 3.3%

Finance & real estate 2.1%

Wholesale trade 1.4%

Agriculture & mining 0.4%

Information 0.3%

Occupation

Category	%
Management, business & arts	35.9%
Service	15.2%
Sales & office	13.8%
Natural resources & construction	11.9%
Production & transportation	23.1%

Employment type

Type	%
Private sector	85.0%
Government	10.9%
Self-employed	3.7%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	82.1%
Carpool	7.0%
Public transit	0.7%
Walk	1.2%
Work from home	8.3%
Other means	0.7%
Avg commute (minutes)	30.6

Poverty

All people 9.5%

Under 18 years 4.3%

18 and over 10.8%

Married-couple families 3.6%

Female-led households 8.8%

Income support

Source	% of households
Social Security	40.1%
Retirement income	40.3%
Supplemental Security	2.8%
Cash public assistance	0.9%
Food stamps / SNAP	9.7%

Health indicators

Condition	%
Obesity	39.1%
High blood pressure	34.1%
High cholesterol	33.8%
Diabetes	10.1%
Heart disease	6.1%
Stroke	2.8%
Asthma	10.7%
Arthritis	28.6%
Kidney disease	2.7%
Pulmonary disease	7.2%
Cancer	6.8%

Behavior / access	%
Smoking	19.3%
Binge drinking	19.2%
No physical activity	19.0%
Less than 7 hrs sleep	32.3%
Depression	22.6%
Fair or poor health	13.2%
Poor mental health	15.8%
Poor physical health	10.3%
No health insurance	8.7%
Visited doctor (checkup)	72.3%
Visited dentist	70.8%
Cholesterol screening	91.4%
Teeth loss	11.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	234	5.2%

Disability	%
Any disability	12.6%
Under 18	6.6%
18–64 years	9.8%
65 and over	27.7%

Health insurance coverage

Type	%
Private insurance	82.7%
Public insurance	34.2%
No insurance	3.0%
Uninsured under 19	2.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,264	93.4%
Spanish	32	0.6%
Other Indo-European	32	0.6%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,600	99.4%
Born in same state	5,589	99.2%
Born in different state	2,527	44.9%
Foreign born	11	0.2%
Naturalized citizen	34	0.6%
Not a US citizen	7	20.6%

Ancestry

Ancestry	Count	%
French	804	14.3%
Italian	518	9.2%
Arab	262	4.7%
German	91	1.6%

Ancestry	Count	%
Irish	70	1.2%
English	45	0.8%
Polish	30	0.5%
Norwegian	16	0.3%

Technology access

Metric	% of households
Computer access	36.4%
Internet access	95.9%

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

Frequently asked questions about ZIP code 49270

What city is ZIP code 49270 in?

ZIP code 49270 is primarily assigned to Petersburg, Michigan.

What county is ZIP code 49270 in?

ZIP code 49270 falls within Monroe County, Michigan.

Is ZIP code 49270 mostly owner-occupied?

91% of occupied units in ZIP code 49270 are owner-occupied, well above the national average.

Does ZIP code 49270 have a large retiree population?

40% of households in ZIP code 49270 receive Social Security income, suggesting a significant retiree or disability population.

What is the population of ZIP code 49270?

ZIP code 49270 has an estimated population of 5,634 residents, with a density of 125 people per square mile.

What is the median household income in ZIP code 49270?

The median household income in ZIP code 49270 is $81,419, above the national median of ~$75,000.

What timezone is ZIP code 49270 in?

ZIP code 49270 observes the EST timezone.