Sparta Township, New Jersey
Township in Sussex County, New Jersey
| Census | Population |
|---|---|
| 2000 | 18,080 |
| 2010 | 19,722 |
| 2020 | 19,600 |
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 | Sparta Township | Sussex County | New Jersey |
|---|---|---|---|
| Population | 19,903 | 145,117 | 9,267,014 |
| Median household income | $167,371 | $114,316 | $101,050 |
| Median age | 42.2 | 44.1 | 40.1 |
| Median home value | $469,300 | $342,800 | $427,600 |
| Bachelor’s degree or higher | 63.1% | 40.0% | 42.9% |
| Foreign-born residents | 9.5% | 8.6% | 23.5% |
| Owner-occupied homes | 90.4% | 84.9% | 63.7% |
| Mean commute to work | 37.9 minutes | 36.3 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 $167,371 · 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
- 6,648 units
- Renter occupied
- 707 units
- Vacancy rate
- 5.6%
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 |
|---|---|---|---|
| Alpine Elementary School | Public | Pre-K–2 | Sparta Township Public School District |
| Helen Morgan School | Public | 4–5 | Sparta Township Public School District |
| Mohawk Avenue School | Public | 3 | Sparta Township Public School District |
| Sparta Middle School | Public | 6–8 | Sparta Township Public School District |
| Sussex County Technology Charter School | Charter | 6–8 | Sussex County Technology Charter School |
| Sparta High School | Public | 9–12 | Sparta Township Public School District |
| Sussex County Technical School | Career and technical | 9–12 | Sussex County Technical School District |
| Northern Hills Academy | Special education | Pre-K–12 | Northern Hills Academy 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 Sparta Township
- Lake MohawkCensus designated place
Nearby towns
- OgdensburgBorough
- Lake MohawkCensus designated place
- FranklinBorough
- Lafayette TownshipTownship
- Jefferson TownshipTownship
- Andover TownshipTownship
- Hardyston TownshipTownship
- Lake HopatcongCensus designated place
- NewtonTown
- Ross CornerCensus designated place
Other towns in Sussex County
- AndoverBorough
- Andover TownshipTownship
- BranchvilleBorough
- Byram TownshipTownship
- Byram CenterCensus designated place
- Crandon LakesCensus designated place
- Frankford TownshipTownship
- FranklinBorough
- Fredon TownshipTownship
- Green TownshipTownship
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- Type
- Township
- County
- Sussex County
- Land area
- 36.7 sq mi
- Water area
- 2.01 sq mi
- Population
- 20,362 (2024 estimate)
- Households
- 7,355
- Median age
- 42.2
- Median household income
- $167,371
- Median home value
- $469,300
- Median gross rent
- $1,844
- Owner-occupied homes
- 90.4%
- Bachelor’s degree or higher
- 63.1%
- Foreign-born residents
- 9.5%
- Mean commute to work
- 37.9 minutes
- Census GEOID
- 3403769690
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
- 07871
- 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.