Warren County, New Jersey
Warren County, New Jersey
| Census | Population |
|---|---|
| 2000 | 102,437 |
| 2010 | 108,692 |
| 2020 | 109,632 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, county level, state 34, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county level, state 34, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county level, state 34, retrieved November 14, 2026.
| Measure | Warren County | New Jersey |
|---|---|---|
| Population | 110,238 | 9,267,014 |
| Median household income | $99,596 | $101,050 |
| Median age | 43.9 | 40.1 |
| Median home value | $323,100 | $427,600 |
| Bachelor’s degree or higher | 36.4% | 42.9% |
| Foreign-born residents | 10.3% | 23.5% |
| Owner-occupied homes | 74.3% | 63.7% |
| Mean commute to work | 34.1 minutes | 30.9 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county level, state 34, retrieved November 14, 2026.
Median household income $99,596 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, county level, state 34, retrieved November 14, 2026.
- Owner occupied
- 33,386 units
- Renter occupied
- 11,557 units
- Vacancy rate
- 3.7%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, county level, state 34, retrieved November 14, 2026.
28,428 employees in 2,286 establishments with payroll in 2023, all sectors; employers themselves are not named in the source. County Business Patterns counts are published with noise.
Source: County Business Patterns 2023: employment by sector, county level, state 34, retrieved November 14, 2026.
Townships, towns and villages in Warren County
- AllamuchyCensus designated place
- Allamuchy TownshipTownship
- AlphaBorough
- AndersonCensus designated place
- AsburyCensus designated place
- BeattystownCensus designated place
- BelvidereTown
- Blairstown TownshipTownship
- BlairstownCensus designated place
- BrainardsCensus designated place
- Brass CastleCensus designated place
- BridgevilleCensus designated place
- BroadwayCensus designated place
- BrookfieldCensus designated place
- ButtzvilleCensus designated place
- ColumbiaCensus designated place
- DelawareCensus designated place
- Delaware ParkCensus designated place
- FinesvilleCensus designated place
- Franklin TownshipTownship
- Frelinghuysen TownshipTownship
- Great MeadowsCensus designated place
- Greenwich TownshipTownship
- GreenwichCensus designated place
- HackettstownTown
- HainesburgCensus designated place
- Hardwick TownshipTownship
- Harmony TownshipTownship
- HarmonyCensus designated place
- Hope TownshipTownship
- HopeCensus designated place
- HutchinsonCensus designated place
- Independence TownshipTownship
- JohnsonburgCensus designated place
- Knowlton TownshipTownship
- Liberty TownshipTownship
- Lopatcong TownshipTownship
- Lopatcong OverlookCensus designated place
- Mansfield TownshipTownship
- MarksboroCensus designated place
- Mountain LakeCensus designated place
- Mount HermonCensus designated place
- New VillageCensus designated place
- Oxford TownshipTownship
- OxfordCensus designated place
- Panther ValleyCensus designated place
- PhillipsburgTown
- Pohatcong TownshipTownship
- Port ColdenCensus designated place
- Port MurrayCensus designated place
- Silver LakeCensus designated place
- StewartsvilleCensus designated place
- Upper PohatcongCensus designated place
- Upper StewartsvilleCensus designated place
- ViennaCensus designated place
- Washington TownshipTownship
- WashingtonBorough
- White TownshipTownship
Neighboring counties
- Bucks County, PANo page yet
- Hunterdon CountyPopulation 131,708 (2024 estimate)
- Monroe County, PANo page yet
- Morris CountyPopulation 523,053 (2024 estimate)
- Northampton County, PANo page yet
- Sussex CountyPopulation 147,444 (2024 estimate)
Sources: Census county adjacency file 2024, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 34, retrieved November 14, 2026.
Something wrong here? Request a correction. A person checks it against the source within five business days.
- Type
- County
- Land area
- 356.5 sq mi
- Water area
- 6.11 sq mi
- Population
- 112,031 (2024 estimate)
- Households
- 44,943
- Median age
- 43.9
- Median household income
- $99,596
- Median home value
- $323,100
- Median gross rent
- $1,368
- Owner-occupied homes
- 74.3%
- Bachelor’s degree or higher
- 36.4%
- Foreign-born residents
- 10.3%
- Mean commute to work
- 34.1 minutes
- Census GEOID
- 34041
Sources: Census Gazetteer 2025: counties, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 34, retrieved November 14, 2026; American Community Survey 5-year data profile 2019–2023, county level, state 34, retrieved November 14, 2026.
- ZIP codes
- 07820, 07821, 07823, 07825, 07831, 07832, 07833, 07838, 07840, 07844, 07846, 07860, 07863, 07865, 07880, 07882, 08802, 08804, 08827, 08865, 08886
- Metro area
- Allentown-Bethlehem-Easton, PA-NJ
Sources: Census 2020 ZCTA relationship file: ZCTAs to counties, retrieved November 14, 2026; Census Gazetteer 2025: metropolitan and micropolitan areas, retrieved November 14, 2026.