Township in Capitol Planning Region County, Connecticut · 9.7 sq mi · 1,834 people per sq mi
About 18,000 people live in Plainville. The typical household earns $84,343, and the median resident is 44.3 years old.
2026 projection
From 17,457 in 2020
Poverty rate 6.49%
Men 42.6 · Women 47.5
2010–2026
17,804
2026 projection
2% 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
17,804
2026 projection
2% 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 | 17,804 | +58 | 0.33% |
|---|---|---|---|
| 2025 | 17,746 | +58 | 0.33% |
| 2024 | 17,688 | +114 | 0.65% |
| 2023 | 17,574 | +96 | 0.55% |
| 2022 | 17,478 | +3 | 0.02% |
| 2021 | 17,475 | +18 | 0.10% |
| 2020 | 17,457 | -85 | 0.48% |
| 2019 | 17,542 | -57 | 0.32% |
| 2018 | 17,599 | -11 | 0.06% |
| 2017 | 17,610 | -84 | 0.47% |
Showing 10 of 17 years.
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101
Each square is about 1% of residents (roughly 176 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
45% of residents age 15 and older are married.
| Status | Overall | Male | Female |
|---|---|---|---|
| Married | 45% | 47% | 43% |
| Never married | 33% | 38% | 29% |
| Divorced | 14% | 12% | 17% |
| Widowed | 7% | 3% | 10% |
| Separated | <1% | <1% | <1% |
U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201
10 sources, all from the U.S. Census Bureau