Township in Naugatuck Valley Planning Region County, Connecticut · 14.5 sq mi · 1,184 people per sq mi
About 17,000 people live in Seymour. The typical household earns $107,708, and the median resident is 41.6 years old.
2026 projection
From 16,713 in 2020
Poverty rate 6.73%
Men 40.6 · Women 43.5
2010–2026
17,196
2026 projection
2.9% 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
17,196
2026 projection
2.9% 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 | 17,196 | +43 | 0.25% |
|---|---|---|---|
| 2025 | 17,153 | +43 | 0.25% |
| 2024 | 17,110 | +98 | 0.58% |
| 2023 | 17,012 | +188 | 1.12% |
| 2022 | 16,824 | +44 | 0.26% |
| 2021 | 16,780 | +67 | 0.40% |
| 2020 | 16,713 | +297 | 1.81% |
| 2019 | 16,416 | -87 | 0.53% |
| 2018 | 16,503 | -16 | 0.10% |
| 2017 | 16,519 | -40 | 0.24% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 169 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 15 residents
47% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 47% | 47% | 48% |
| Never married | 37% | 39% | 34% |
| Divorced | 11% | 10% | 12% |
| Widowed | 4% | 2% | 7% |
| Separated | <1% | 2% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau