Liberty Township, New Jersey
Township in Warren County, New Jersey
| Census | Population |
|---|---|
| 2000 | 2,765 |
| 2010 | 2,942 |
| 2020 | 2,670 |
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 subdivision level, state 34, retrieved November 14, 2026; Census 2010 Summary File 1: total population, county subdivision level, state 34, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, county subdivision level, state 34, retrieved November 14, 2026.
| Measure | Liberty Township | Warren County | New Jersey |
|---|---|---|---|
| Population | 2,686 | 110,238 | 9,267,014 |
| Median household income | $119,167 | $99,596 | $101,050 |
| Median age | 48.5 | 43.9 | 40.1 |
| Median home value | $353,200 | $323,100 | $427,600 |
| Bachelor’s degree or higher | 33.6% | 36.4% | 42.9% |
| Foreign-born residents | 5.9% | 10.3% | 23.5% |
| Owner-occupied homes | 88.1% | 74.3% | 63.7% |
| Mean commute to work | 34.8 minutes | 34.1 minutes | 30.9 minutes |
Source: American Community Survey 5-year data profile 2019–2023, county subdivision level, state 34, retrieved November 14, 2026.
Median household income $119,167 · 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 subdivision level, state 34, retrieved November 14, 2026.
- Owner occupied
- 930 units
- Renter occupied
- 126 units
- Vacancy rate
- 6.9%
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 subdivision level, state 34, retrieved November 14, 2026.
Community
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Places in Liberty Township
- Mountain LakeCensus designated place
Nearby towns
- Great MeadowsCensus designated place
- Mountain LakeCensus designated place
- HopeCensus designated place
- Hope TownshipTownship
- Independence TownshipTownship
- ViennaCensus designated place
- Silver LakeCensus designated place
- Mansfield TownshipTownship
- ButtzvilleCensus designated place
- Mount HermonCensus designated place
Other towns 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
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- Type
- Township
- County
- Warren County
- Land area
- 11.7 sq mi
- Water area
- 0.26 sq mi
- Population
- 2,700 (2024 estimate)
- Households
- 1,056
- Median age
- 48.5
- Median household income
- $119,167
- Median home value
- $353,200
- Median gross rent
- $1,707
- Owner-occupied homes
- 88.1%
- Bachelor’s degree or higher
- 33.6%
- Foreign-born residents
- 5.9%
- Mean commute to work
- 34.8 minutes
- Census GEOID
- 3404140110
Sources: Census Gazetteer 2025: county subdivisions, 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 subdivision level, state 34, retrieved November 14, 2026.
- ZIP codes
- 07823, 07838, 07863
- Metro area
- Allentown-Bethlehem-Easton, PA-NJ
Sources: Census 2020 ZCTA relationship file: ZCTAs to county subdivisions, retrieved November 14, 2026; Census Gazetteer 2025: metropolitan and micropolitan areas, retrieved November 14, 2026.