Jefferson Township, New Jersey
Township in Morris County, New Jersey
| Census | Population |
|---|---|
| 2000 | 19,717 |
| 2010 | 21,314 |
| 2020 | 20,538 |
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 | Jefferson Township | Morris County | New Jersey |
|---|---|---|---|
| Population | 20,535 | 510,375 | 9,267,014 |
| Median household income | $115,094 | $134,929 | $101,050 |
| Median age | 46.0 | 42.7 | 40.1 |
| Median home value | $407,000 | $557,000 | $427,600 |
| Bachelor’s degree or higher | 43.3% | 57.2% | 42.9% |
| Foreign-born residents | 10.4% | 19.6% | 23.5% |
| Owner-occupied homes | 91.1% | 73.9% | 63.7% |
| Mean commute to work | 35.6 minutes | 30.1 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 $115,094 · 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
- 7,362 units
- Renter occupied
- 720 units
- Vacancy rate
- 5.5%
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.
| School | Type | Grades | District |
|---|---|---|---|
| Arthur Stanlick Elementary School | Public | K–5 | Jefferson Township Public School District |
| Cozy Lake Elementary School | Public | Pre-K–K | Jefferson Township Public School District |
| Ellen T. Briggs Elementary School | Public | Pre-K–K | Jefferson Township Public School District |
| White Rock Elementary School | Public | 1–5 | Jefferson Township Public School District |
| Jefferson Township Middle School | Public | 6–8 | Jefferson Township Public School District |
| Academy for Environmental Science | Career and technical | 9–12 | Morris County Vocational School District |
| Jefferson Township High School | Public | 9–12 | Jefferson Township Public School District |
Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.
Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.
Community
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Places in Jefferson Township
- Lake HopatcongCensus designated place
- Oak RidgeCensus designated place
Nearby towns
- Oak RidgeCensus designated place
- Rockaway TownshipTownship
- Lake TelemarkCensus designated place
- Lake HopatcongCensus designated place
- HiberniaCensus designated place
- Sparta TownshipTownship
- Mount HopeCensus designated place
- White Meadow LakeCensus designated place
- OgdensburgBorough
- Lake MohawkCensus designated place
Other towns in Morris County
- Boonton TownshipTownship
- BoontonTown
- BrooksideCensus designated place
- Budd LakeCensus designated place
- ButlerBorough
- Cedar KnollsCensus designated place
- Chatham TownshipTownship
- ChathamBorough
- Chester TownshipTownship
- ChesterBorough
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- Type
- Township
- County
- Morris County
- Land area
- 39.0 sq mi
- Water area
- 3.84 sq mi
- Population
- 20,705 (2024 estimate)
- Households
- 8,082
- Median age
- 46.0
- Median household income
- $115,094
- Median home value
- $407,000
- Median gross rent
- $1,434
- Owner-occupied homes
- 91.1%
- Bachelor’s degree or higher
- 43.3%
- Foreign-born residents
- 10.4%
- Mean commute to work
- 35.6 minutes
- Census GEOID
- 3402734980
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
- 07438, 07849, 07885
- Metro area
- New York-Newark-Jersey City, NY-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.