Town in Westchester County, New York · 23.1 sq mi · 796 people per sq mi
About 18,000 people live in New Castle town. The typical household earns $250,001, and the median resident is 42.2 years old.
2026 projection
From 18,234 in 2020
Poverty rate 2.52%
Men 42.8 · Women 41.4
2010–2026
18,393
2026 projection
0.9% 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
18,393
2026 projection
0.9% 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 | 18,393 | +134 | 0.73% |
|---|---|---|---|
| 2025 | 18,259 | +134 | 0.74% |
| 2024 | 18,125 | +284 | 1.59% |
| 2023 | 17,841 | -10 | 0.06% |
| 2022 | 17,851 | -211 | 1.17% |
| 2021 | 18,062 | -172 | 0.94% |
| 2020 | 18,234 | +453 | 2.55% |
| 2019 | 17,781 | -70 | 0.39% |
| 2018 | 17,851 | -56 | 0.31% |
| 2017 | 17,907 | -66 | 0.37% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 180 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 40 residents
66% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 66% | 67% | 65% |
| Never married | 28% | 28% | 27% |
| Divorced | 3% | 2% | 5% |
| Widowed | 3% | 1% | 4% |
| Separated | <1% | 1% | 0% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau