ZIP Code Tabulation Area · New Jersey

ZIP Code 08865: Warren County, NJ

ZIP Code 08865 (Warren County, New Jersey) has an estimated 31,427 residents in 13,467 households. The median household income is $79,949, the median home value is $267,200 and the median gross rent is $1,348/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Total population

31,427

Margin of error ±462

Median household income

$79,949

Margin of error ±$7,973

Median home value

$267,200

Margin of error ±$17,154

Median gross rent

$1,348/mo

Margin of error ±$119

Median age

42.0 yrs

Margin of error ±1.9 yrs

Mean travel time to work

30.1 min

Margin of error ±2.6 min

How ZIP 08865 compares with New Jersey and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 0886542.0 yrsNew Jersey40.1 yrsUnited States38.9 yrs

Median household income

ZIP 08865$79,949New Jersey$103,556United States$80,734

Per capita income

ZIP 08865$41,700New Jersey$54,253United States$44,673

Poverty rate

ZIP 0886514.0%New Jersey9.7%United States12.5%

Unemployment rate

ZIP 088655.9%New Jersey6.3%United States5.2%

Bachelor's degree or higher

ZIP 0886529.4%New Jersey43.6%United States35.7%

Median home value

ZIP 08865$267,200New Jersey$454,400United States$332,700

Median gross rent

ZIP 08865$1,348/moNew Jersey$1,720/moUnited States$1,413/mo

Owner-occupied homes

ZIP 0886568.4%New Jersey63.8%United States65.2%

Mean travel time to work

ZIP 0886530.1 minNew Jersey30.5 minUnited States26.4 min

Worked from home

ZIP 088658.5%New Jersey16.8%United States15.1%

All figures for ZIP 08865

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 08865 — ACS 2020–2024 5-year estimates
Measure	ZIP 08865	Margin of error	New Jersey	United States
Total population	31,427	±462	9,343,809	334,922,499
Median age	42.0 yrs	±1.9 yrs	40.1 yrs	38.9 yrs
Households	13,467	±449	3,507,701	129,227,496
Median household income	$79,949	±$7,973	$103,556	$80,734
Per capita income	$41,700	±$1,910	$54,253	$44,673
Poverty rate	14.0%	±2.3 pts	9.7%	12.5%
Unemployment rate	5.9%	±1.5 pts	6.3%	5.2%
Bachelor's degree or higher	29.4%	±2.9 pts	43.6%	35.7%
Median home value	$267,200	±$17,154	$454,400	$332,700
Median gross rent	$1,348/mo	±$119	$1,720/mo	$1,413/mo
Owner-occupied homes	68.4%	±3.4 pts	63.8%	65.2%
Mean travel time to work	30.1 min	±2.6 min	30.5 min	26.4 min
Worked from home	8.5%	±2.2 pts	16.8%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 08865
Group	ZIP 08865	New Jersey	United States
White alone, not Hispanic or Latino	67.9%	50.9%	57.4%
Black or African American alone, not Hispanic or Latino	11.4%	12.2%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.1%	0.1%	0.5%
Asian alone, not Hispanic or Latino	2.4%	10.0%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.1%	0.0%	0.2%
Some other race alone, not Hispanic or Latino	0.3%	0.8%	0.6%
Two or more races, not Hispanic or Latino	4.6%	3.5%	4.3%
Hispanic or Latino (of any race)	13.3%	22.5%	19.3%

Where ZIP 08865 is

State: New Jersey
Main county: Warren County
Largest overlapping place: Phillipsburg (8% of the ZIP's land area)
Land area: 41.47 sq mi· about 758 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Warren County

07823 Warren County, NJ 07825 Warren County, NJ 07832 Warren County, NJ 07833 Delaware, NJ 07838 Warren County, NJ 07840 Warren County, NJ 07844 Hope, NJ 07846 Johnsonburg, NJ 07863 Warren County, NJ 07865 Warren County, NJ 07880 Vienna, NJ 07882 Warren County, NJ 08886 Warren County, NJ

See every ZIP code in New Jersey, or compare ZIP 08865 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.