Town in Middlesex County, Massachusetts · 24.3 sq mi · 808 people per sq mi
About 20,000 people live in Sudbury town. The typical household earns $236,250, and the median resident is 42.3 years old.
2026 projection
From 18,863 in 2020
Poverty rate 3.01%
Men 41.9 · Women 42.4
2010–2026
19,619
2026 projection
4% 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
19,619
2026 projection
4% 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 | 19,619 | -24 | 0.12% |
|---|---|---|---|
| 2025 | 19,643 | -24 | 0.12% |
| 2024 | 19,667 | +109 | 0.56% |
| 2023 | 19,558 | +416 | 2.17% |
| 2022 | 19,142 | +72 | 0.38% |
| 2021 | 19,070 | +207 | 1.10% |
| 2020 | 18,863 | -753 | 3.84% |
| 2019 | 19,616 | +97 | 0.50% |
| 2018 | 19,519 | +716 | 3.81% |
| 2017 | 18,803 | +5 | 0.03% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 193 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 33 residents
65% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 65% | 71% | 61% |
| Never married | 25% | 24% | 26% |
| Divorced | 5% | 3% | 7% |
| Widowed | 4% | 1% | 7% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau