# Population — Connecticut

Population — Connecticut was 3,688,496 persons in 2025, up 0.4% from 2024.
That is the highest reading since the series began in 1929.
Over the past ten years it has ranged from 3,579,643 persons (2020) to 3,688,496 persons (2025), averaging 3,623,259 persons.

- Source agency: U.S. Bureau of Economic Analysis (Regional Economic Accounts)
- Makrognosis code: `US-CT.POP.A.NSA`
- Frequency: annual
- Units: persons
- Coverage: 1929-01-01 to 2025-01-01 (97 observations)
- Page: https://makrognosis.robomacro.com/data/united-states/population-connecticut

## Recent data

| Period | Value |
|---|---:|
| 2025 | 3,688,496 persons |
| 2024 | 3,674,449 persons |
| 2023 | 3,641,369 persons |
| 2022 | 3,618,707 persons |
| 2021 | 3,607,765 persons |
| 2020 | 3,579,643 persons |
| 2019 | 3,607,133 persons |
| 2018 | 3,611,229 persons |
| 2017 | 3,607,550 persons |
| 2016 | 3,607,614 persons |
| 2015 | 3,611,891 persons |
| 2014 | 3,614,584 persons |
| 2013 | 3,610,238 persons |
| 2012 | 3,605,215 persons |
| 2011 | 3,594,181 persons |
| 2010 | 3,580,281 persons |
| 2009 | 3,561,807 persons |
| 2008 | 3,545,579 persons |
| 2007 | 3,527,270 persons |
| 2006 | 3,517,460 persons |
| 2005 | 3,506,956 persons |
| 2004 | 3,496,094 persons |
| 2003 | 3,484,336 persons |
| 2002 | 3,458,749 persons |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/US-CT.POP.A.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US-CT.POP.A.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```