Stewartsville ZIP Codes — Warren County, NJ

There is one unique ZIP code in Stewartsville, New Jersey and it is 08886. Area code: 908.

ZIP codes

15.46

sq mi land

0.06

sq mi water

908

area code

Stewartsville, NJ ZIP code map

About Stewartsville, NJ

Stewartsville is a charming village located in New Jersey's Warren County. This small community offers a quaint atmosphere, characterized by its rural surroundings and close-knit population. As part of the 08886 ZIP code area, Stewartsville serves as a peaceful retreat from the hustle and bustle of larger urban centers.

Location & geography

Stewartsville is situated in the western part of New Jersey, making it an idyllic spot for those who appreciate nature and tranquility. Nearby cities include Hackettstown, located about 15 miles to the south, Phillipsburg around 10 miles to the east, Washington approximately 8 miles to the northwest, and Bethlehem, PA, roughly 20 miles to the west. The village covers a land area of 15.46 square miles, with an additional 0.06 square miles of water.

Community & economy

The character of Stewartsville is defined by its rural charm and friendly residents, creating a welcoming environment for families and newcomers alike. The local economy is supported by various industries, including agriculture, small businesses, and service providers catering to the community's needs. Daily life in Stewartsville often revolves around local events, volunteer opportunities, and enjoying the stunning natural scenery that the region has to offer.

Transportation

Stewartsville is accessible via several major highways, including Route 78, which facilitates convenient travel to nearby towns and cities. The nearest major airport is Lehigh Valley International Airport, located approximately 25 miles to the west, providing regional and domestic flights. Public transit options are limited, emphasizing the importance of personal transportation for residents.

History

Stewartsville was founded in the early 19th century and has deep historical roots that reflect the agricultural heritage of the region. Key industries over the years have included farming and small-scale manufacturing, which contributed to the community’s development. Notable events in the village’s past include the establishment of its postal service, which served to connect residents with the wider world.

Did you know?

One surprising fact about Stewartsville is that it is known for its scenic views of the surrounding countryside, which attract outdoor enthusiasts and nature lovers alike. Additionally, the village’s location near the Delaware River adds to its appeal for those interested in recreational activities such as fishing and kayaking.

ZIP codes for Stewartsville, NJ (1)

ZIP code	City	County	Map
08886	Stewartsville	Warren	View map

Demographics & statistics

6,963

Population

41.1

Median age

$151,500

Median household income

$55,729

Per capita income

$402,900

Median home value

$1,591

Median monthly rent

91.8%

Home ownership

3.6%

Poverty rate

5.6%

Unemployment

2,222

Housing units

49.8%

Bachelor's or higher

Age distribution

Male Female

173

Under 5

174

122

5–9

123

318

10–14

321

303

15–19

307

232

20–24

235

361

25–34

365

368

35–44

373

550

45–54

557

347

55–59

351

278

60–64

281

257

65–74

259

126

75–84

128

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,702	24.4%
18 and over	5,261	75.6%
65 and over	824	11.8%
Median age	41.1 years

Race & ethnicity

White 71.3%

Asian 8.9%

Two or more races 6.3%

Black or African American 6.1%

Hispanic or Latino 5.3%

Other race 2.1%

Group	Count	%
White	5,242	71.3%
Asian	657	8.9%
Two or more races	464	6.3%
Black or African American	446	6.1%
Hispanic or Latino	388	5.3%
Other race	154	2.1%

Household income

Under $10k 0.5%

$10k–$15k 1.3%

$15k–$25k 1.6%

$25k–$35k 5.2%

$35k–$50k 2.9%

$50k–$75k 8.7%

$75k–$100k 9.9%

$100k–$150k 18.9%

$150k–$200k 22.5%

$200k+ 28.5%

Range	% of households
Under $10k	0.5%
$10k–$15k	1.3%
$15k–$25k	1.6%
$25k–$35k	5.2%
$35k–$50k	2.9%
$50k–$75k	8.7%
$75k–$100k	9.9%
$100k–$150k	18.9%
$150k–$200k	22.5%
$200k+	28.5%
Median income	$151,500

Housing

Home values

Under $50k 1.2%

$50k–$100k 1.8%

$100k–$150k 2.3%

$150k–$200k 7.8%

$200k–$300k 18.9%

$300k–$500k 45.5%

$500k–$1M 21.8%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$402,900
Median rent / month	$1,591
Owner occupied	91.8%
Renter occupied	8.2%
Vacant	0.2%
Single-family detached	80.9%
Large apartment buildings	0.5%
Mobile homes	1.6%
Median rooms	7.2
Avg household size (owned)	2.92

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	24.8%
1990–1999	39.0%
1980–1989	8.1%
1970–1979	7.6%
1960–1969	5.4%
1950–1959	5.3%
1940–1949	0.9%
1939 or earlier	9.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.0%
2 bedrooms	15.3%
3 bedrooms	26.5%
4 bedrooms	46.9%
5+ bedrooms	8.3%

Vehicles per household

Vehicles	% of households
No vehicle	1.8%
1 vehicle	17.1%
2 vehicles	42.5%
3 or more	38.6%

Heating fuel

Fuel type	%
Utility gas	74.8%
Electricity	3.9%
Propane / LP gas	1.2%
Fuel oil	15.6%
Wood	2.5%
Solar	0.4%

Households & families

Household type	Count	%
Married-couple family	1,661	68.8%
Cohabiting couple	173	7.2%
Male householder, no spouse	165	6.8%
Female householder, no spouse	415	17.2%
Households with children under 18	1,100	45.6%
Households with seniors (65+)	617	25.6%
Average household size	2.87

Marital status

Status	Male	Female
Never married	32.4%	28.8%
Married	60.6%	55.2%
Separated	0.6%	0.7%
Widowed	1.5%	5.3%
Divorced	5.0%	10.1%

Education

Less than 9th grade 0.5%

Some HS, no diploma 2.7%

HS graduate 21.6%

Some college, no degree 19.1%

Associate's degree 6.3%

Bachelor's degree 32.0%

Graduate / professional 17.8%

Metric	%
HS diploma or higher	96.8%
Bachelor's or higher	49.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	90	4.5%
Kindergarten	54	2.7%
Elementary school	763	38.4%
High school	521	26.2%
College / grad school	558	28.1%

Employment

Industry of employment

Education & healthcare 22.5%

Manufacturing 13.9%

Professional & management 10.2%

Finance & real estate 9.1%

Transportation & utilities 8.8%

Retail trade 7.3%

Public administration 6.1%

Arts, food & hospitality 6.0%

Other services 4.7%

Information 3.7%

Construction 3.6%

Wholesale trade 2.7%

Agriculture & mining 1.3%

Occupation

Category	%
Management, business & arts	48.6%
Service	14.1%
Sales & office	20.7%
Natural resources & construction	6.2%
Production & transportation	10.4%

Employment type

Type	%
Private sector	79.9%
Government	17.5%
Self-employed	2.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.8%
Carpool	5.0%
Public transit	0.4%
Walk	0.3%
Other means	0.0%
Avg commute (minutes)	39.3

Poverty

All people 3.6%

Under 18 years 5.4%

18 and over 3.0%

Married-couple families 0.0%

Female-led households 6.5%

Income support

Source	% of households
Social Security	25.7%
Retirement income	27.0%
Supplemental Security	3.5%
Cash public assistance	2.2%
Food stamps / SNAP	1.6%

Health indicators

Condition	%
High blood pressure	0.0%
High cholesterol	0.0%
Heart disease	4.5%
Stroke	2.1%
Asthma	9.3%
Arthritis	18.5%
Kidney disease	2.1%
Pulmonary disease	4.6%
Cancer	5.9%

Behavior / access	%
Binge drinking	19.3%
No physical activity	17.3%
Less than 7 hrs sleep	30.2%
Fair or poor health	8.9%
Poor mental health	13.2%
Poor physical health	7.5%
No health insurance	10.0%
Visited doctor (checkup)	74.2%
Visited dentist	70.6%
Cholesterol screening	0.0%
Teeth loss	9.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	284	5.4%

Disability	%
Any disability	5.9%
Under 18	0.8%
18–64 years	5.4%
65 and over	18.6%

Health insurance coverage

Type	%
Private insurance	87.5%
Public insurance	18.9%
Uninsured under 19	0.3%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	6,616	95.0%
Spanish	282	4.3%
Other Indo-European	84	1.3%
Asian & Pacific Islander	109	1.6%
Other languages	77	1.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	6,254	89.8%
Born in same state	6,192	88.9%
Born in different state	4,066	58.4%
Foreign born	62	0.9%
Naturalized citizen	709	10.2%
Not a US citizen	513	72.4%

Ancestry

Ancestry	Count	%
Italian	1,118	16.1%
French	668	9.6%
Arab	198	2.8%
Irish	120	1.7%
English	56	0.8%

Ancestry	Count	%
German	52	0.7%
Norwegian	30	0.4%
Polish	24	0.3%
Dutch	7	0.1%

Technology access

Metric	% of households
Computer access	34.7%
Internet access	96.1%

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

Frequently asked questions

What ZIP codes does Stewartsville, NJ have?

Stewartsville, NJ has one ZIP code: 08886. Each ZIP code serves a distinct delivery area within the city and surrounding region.