ZIP code profile · 2024 county data

ZIP Code 08865

Warren County, New Jersey: Census demographics for this ZIP plus the containing county's FBI UCR crime rate.

Data updated 2026-08-24

30,561
Population (ZIP)
0
Violent rate /100K (county)
0
Property rate /100K (county)

Is ZIP code 08865 safe? Honest data snapshot

ZIP code 08865 sits within Warren County, NJ, in which law-enforcement agencies did not report complete 2024 data to the FBI UCR Program. The county figures below cover only the agencies that submitted, so they are not a measure of crime in this area and no comparison to the national average is drawn from them.

ZIP 08865 is the largest ZIP in Warren County by population, 30,561 residents (#2 of 16 county ZIPs), across 41.47 square miles (737/sq mi). For a full breakdown of Warren County's crime categories and year-over-year trend, see the Warren County crime page linked below.

ZIP 08865 has no FBI-native crime rate (postal codes are not police jurisdictions). Figures above use the Warren County proxy where reported; see methodology for the ZCTA plurality map. Methodology.

ZIP 08865 Census context

These are ZIP/ZCTA demographic estimates, separate from the county-level FBI proxy above. They describe the local settlement, not a crime rate.

Median household income
$73,519
Median age
43.4 years
Owner-occupied homes
67%
Occupied homes
13,261

Source: U.S. Census Bureau, ACS 2022 5-year ZCTA estimates (income, age, and occupied housing tenure).

ZIP 08865 settlement vs Warren County

ZIP 08865 itself is about 737 people per Census sq mi across 41.5 sq mi (30,561 residents), a postal settlement fact independent of the county UCR proxy.

ZIP 08865's 30,561 residents are about 27.9% of the 2024 county reporting population (109,632), a large postal share of a county-wide rate.

Settlement lines use Census ZCTA figures only; incomplete county agency coverage blocks any UCR mix or rate desk for this ZIP.

Nationwide peers for ZIP 08865

Similar Census population (~30,561)

County detail: Warren County · State atlas: New Jersey

Sources: U.S. Census Bureau (ZIP population, land area, 2020 ZCTA-to-county relationship file, ACS 5-year estimates) and FBI Uniform Crime Reporting (UCR) Program, Crime in the United States (CIUS) Table 10 (county-level crime, attributed via ZIP-to-county crosswalk).

Verify with Census.gov Geography and FBI.gov UCR.

Read our methodology , how this data is sourced, computed, and verified.

Every figure on PlainCrime is rendered directly from FBI Uniform Crime Reporting (UCR) source data, no number is typed in by an editor. This page combines Census ZIP-level figures with a ZIP-to-county crosswalk to attribute FBI UCR crime data honestly, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.