# Counties in Connecticut by foreign-born share of the population, 2024

All 9 values come from U.S. Census Bureau for 2024, so the places are comparable.

- Indicator id: `foreign_born_share`
- Unit: %
- Definition: People who were not US citizens at birth, as a percentage of the total population. Includes naturalized citizens, lawful permanent residents, temporary migrants and unauthorized immigrants. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.
- Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B05002: foreign-born population as a percentage of the total population, calculated with stored inputs (https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b05002.dat)
- Retrieved: 2026-10-09
- Citation: U.S. Census Bureau. American Community Survey 5-year estimates, table B05002: foreign-born population as a percentage of the total population, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/5YRData/acsdt5y2024-b05002.dat. Retrieved 2026-10-09.
- Web page: https://invokely.ai/rankings/foreign-born-population/connecticut-counties
- CSV: https://invokely.ai/download/rankings/foreign-born-population/connecticut-counties.csv

| Rank | Place | % |
|---:|---|---:|
| 1 | Western Connecticut Planning Region | 23.8 |
| 2 | Greater Bridgeport Planning Region | 22.5 |
| 3 | Capitol Planning Region | 15.2 |
| 4 | Naugatuck Valley Planning Region | 14.2 |
| 5 | South Central Connecticut Planning Region | 13.7 |
| 6 | Northwest Hills Planning Region | 9.5 |
| 7 | Southeastern Connecticut Planning Region | 8.8 |
| 8 | Lower Connecticut River Valley Planning Region | 8.2 |
| 9 | Northeastern Connecticut Planning Region | 4.4 |