Township in Sussex County, New Jersey · 36.7 sq mi · 559 people per sq mi
About 21,000 people live in Sparta township. The typical household earns $167,963, and the median resident is 41.2 years old.
2026 projection
From 19,616 in 2020
Poverty rate 4.03%
Men 39.9 · Women 42.3
2010–2026
20,525
2026 projection
4.6% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
2010–2026
20,525
2026 projection
4.6% since 2020 (increase)
Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.
Use the left and right arrow keys to inspect population observations.
| 2026 | 20,525 | +94 | 0.46% |
|---|---|---|---|
| 2025 | 20,431 | +94 | 0.46% |
| 2024 | 20,337 | +142 | 0.70% |
| 2023 | 20,195 | +109 | 0.54% |
| 2022 | 20,086 | +52 | 0.26% |
| 2021 | 20,034 | +418 | 2.13% |
| 2020 | 19,616 | +1,012 | 5.44% |
| 2019 | 18,604 | -46 | 0.25% |
| 2018 | 18,650 | -64 | 0.34% |
| 2017 | 18,714 | -102 | 0.54% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 201 people).
Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002
Half of households earn more, half earn less
Typical yearly pay for a worker 25 or older.
About 1 in 25 residents
63% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 63% | 66% | 61% |
| Never married | 26% | 28% | 23% |
| Divorced | 6% | 4% | 9% |
| Widowed | 4% | 1% | 6% |
| Separated | 1% | 1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau