Township in Naugatuck Valley Planning Region County, Connecticut · 39 sq mi · 528 people per sq mi
About 21,000 people live in Southbury. The typical household earns $112,887, and the median resident is 54.2 years old.
2026 projection
From 19,860 in 2020
Poverty rate 3.4%
Men 48.8 · Women 57.2
2010–2026
20,597
2026 projection
3.7% 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
20,597
2026 projection
3.7% 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 | 20,597 | +129 | 0.63% |
|---|---|---|---|
| 2025 | 20,468 | +129 | 0.63% |
| 2024 | 20,339 | +134 | 0.66% |
| 2023 | 20,205 | +177 | 0.88% |
| 2022 | 20,028 | +86 | 0.43% |
| 2021 | 19,942 | +82 | 0.41% |
| 2020 | 19,860 | +314 | 1.61% |
| 2019 | 19,546 | -100 | 0.51% |
| 2018 | 19,646 | -29 | 0.15% |
| 2017 | 19,675 | -35 | 0.18% |
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 29 residents
58% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 58% | 65% | 52% |
| Never married | 20% | 22% | 18% |
| Divorced | 13% | 10% | 16% |
| Widowed | 9% | 3% | 14% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau