Facts
- Population
- 3,675,069 (2024)
- Change since 2020
- 1.9 %
- Natural change, 2023
- 2,138
- Unemployment rate
- 3.3 % (2024)
- Population base, April 2020
- 3,607,701 (2020)
- Births
- 35,115 (2023)
- Births per 1,000 residents, 2023
- 9.6
- Deaths
- 32,977 (2023)
- Deaths per 1,000 residents, 2023
- 9.0
- International migration
- 29,968 (2023)
- Domestic migration
- -6,462 (2023)
- Net migration
- 23,506 (2023)
- Net migration per 1,000, 2023
- 6.4
- Postal code
- CT
- FIPS code
- 09
Sources: US Census Bureau — Population Estimates, Bureau of Labor Statistics — LAUS
Population estimates, 2020–2024
| Period | Value |
|---|---|
| 2024 | 3,675,069 |
| 2023 | 3,643,023 |
| 2022 | 3,617,925 |
| 2021 | 3,606,607 |
| 2020 | 3,579,918 |
Unemployment rate, annual average
| Period | Value |
|---|---|
| 2024 | 3.3 % |
| 2023 | 3.2 % |
| 2022 | 4.0 % |
| 2021 | 6.4 % |
| 2020 | 8.0 % |
Counties · 9
| # | County | Population | Change since 2020 | Unemployment rate |
|---|---|---|---|---|
| 1 | Capitol Planning Region | 991,508 | 1.4 % | 4.1 % |
| 2 | Western Connecticut Planning Region | 637,013 | 2.6 % | 3.5 % |
| 3 | South Central Connecticut Planning Region | 576,718 | 1.0 % | 4.1 % |
| 4 | Naugatuck Valley Planning Region | 462,220 | 2.7 % | 4.5 % |
| 5 | Greater Bridgeport Planning Region | 335,666 | 3.0 % | 4.6 % |
| 6 | Southeastern Connecticut Planning Region | 282,602 | 0.8 % | 3.9 % |
| 7 | Lower Connecticut River Valley Planning Region | 177,540 | 1.9 % | 3.4 % |
| 8 | Northwest Hills Planning Region | 114,101 | 1.5 % | 3.7 % |
| 9 | Northeastern Connecticut Planning Region | 97,701 | 2.5 % | 4.1 % |