Warren County, NJ ZIP Codes

19 ZIP codes cover all or part of Warren County, New Jersey. The Census Bureau counts 110,849 residents in the county, with a median household income of $100,869 and a median home value of $346,500. Median household income ranges from $79,949 in 08865 to $161,168 in 08886. Its largest communities include Phillipsburg, Hackettstown, Flanders, Washington and Beattystown.

Warren County (Census county figures)

MeasureCensus figure
Residents110,849
Households45,391
Median household income$100,869
Median home value$346,500
Median age44
Median rent$1,409

All 19 ZIP codes together

MeasureValue
Residents (sum of ZIP codes)133,821
Households (sum of ZIP codes)53,432
Median household income, range across ZIP codes$79,949 (08865) to $161,168 (08886)
Household-weighted average of ZIP medians (an approximation, not a true median)$105,033
Homeowners76.8%
Households with kids under 1827.7%
Moved in the past year7.9%
Carrier routes in EDDM2GO's route library101 routes, 53,688 homes (13 of 19 ZIP codes)

Top facts

Every ZIP code in Warren County

ZIPMailing cityResidentsHouseholdsMedian incomeHome valueHomeownersWith kidsNew moversCarrier routesMailboxesWhy listed
07840Hackettstown32,10512,768$105,866$396,10069.7%28.6%9.2%2414,11376% of its land
08865Phillipsburg31,42713,467$79,949$267,20068.4%26.8%11.1%2514,249100% of its land
07882Washington15,1156,099$107,567$354,90074.5%27.6%4.5%116,73595% of its land
07821Andover9,6623,553$141,860$431,50091.8%32.4%6.0%73,61717% of its land
07825Blairstown9,2103,442$123,785$423,40093.3%24.5%7.3%73,45998% of its land
07823Belvidere7,4513,512$85,522$322,00067.5%18.3%8.1%63,567100% of its land
08886Stewartsville6,4352,227$161,168$447,10096.3%39.2%4.4%42,582100% of its land
08802Asbury4,5521,513$135,689$461,70097.4%37.6%5.4%41,52742% of its land
07863Oxford3,8191,592$94,167$294,00091.7%17.0%5.3%31,691100% of its land
07838Great Meadows3,7271,381$121,599$440,10088.3%24.3%5.9%21,280100% of its land
07832Columbia3,5931,450$106,424$355,20090.6%26.1%1.6%41,477100% of its land
08804Bloomsbury3,4651,308$107,333$462,00079.0%28.4%9.9%21,17740% of its land
07865Port Murray2,825948$108,056$394,30083.4%42.9%10.9%21,25365% of its land
07880Vienna17351——100.0%56.9%0.0%——100% of its land
07844Hope11149$80,221—18.4%0.0%0.0%——100% of its land
07833Delaware7033—$210,00078.8%21.2%0.0%——100% of its land
07846Johnsonburg4521$99,792$408,300100.0%0.0%0.0%——100% of its land
07831Changewater3618——100.0%0.0%0.0%——100% of its land
07820Allamuchy00———————100% of its land

A ZIP code is listed for Warren County when at least 10% of its land is in the county, when it holds at least 10% of the county's land, or when the county is its main county. Totals add up whole ZIP codes, including parts that cross the county line; the Census county figures above do not.

Cities and communities

Rankings

Price a mailing to Warren County ZIP codes

EDDM guides

Pick carrier routes on the EDDM route map

Frequently asked questions

What ZIP codes are in Warren County, NJ?
07840, 08865, 07882, 07821, 07825, 07823, 08886, 08802, 07863, 07838, 07832, 08804, 07865, 07880, 07844, 07833, 07846, 07831 and 07820. Some cross the county line; the table shows each ZIP's share of land in the county.
What is the population of Warren County?
110,849 residents in 45,391 households (ACS 5-year estimates, 2020–2024).
What is the median household income in Warren County?
$100,869 for the county as a whole. Its ZIP codes range from $79,949 (08865) to $161,168 (08886).
Which Warren County ZIP code has the highest median household income?
08886, at $161,168, among ZIP codes with at least 1,000 residents. See the full ranking of Warren County ZIP codes by income.
How many carrier routes and mailboxes are in Warren County?
For the 13 of 19 ZIP codes in EDDM2GO's stored route library: 101 carrier routes reaching 53,688 residential and 3,026 business mailboxes. The route map loads the rest when you search them.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.