Data / Rankings / Population speaking Spanish at home / Counties in Connecticut

Counties in Connecticut by population speaking Spanish at home

Greater Bridgeport Planning Region had the highest population speaking Spanish at home of 9 counties in 2023, at 19.9%. Northeastern Connecticut Planning Region had the lowest, at 2.6%. The median was 12.1% and the figure for Connecticut was 12.6%. Source: the U.S. Census Bureau.

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Highest19.9Greater Bridgeport Planning Region
Lowest2.6Northeastern Connecticut Planning Region
Median12.19 counties
Connecticut12.6History

Map of counties, 2023

Capitol Planning Region: 12.1 %Greater Bridgeport Planning Region: 19.9 %Lower Connecticut River Valley Planning Region: 4.1 %Naugatuck Valley Planning Region: 12.7 %Northeastern Connecticut Planning Region: 2.6 %Northwest Hills Planning Region: 5.1 %South Central Connecticut Planning Region: 13.5 %Southeastern Connecticut Planning Region: 8.8 %Western Connecticut Planning Region: 15.6 %
  • Under 4.7
  • 4.7 to 9.4
  • 9.4 to 13
  • 13 to 14
  • 14 and over
%, 2023. Source: Invokely calculation with data from U.S. Census Bureau. Boundaries: U.S. Census Bureau cartographic boundary files.

All counties, 2023

Greater Bridgeport Planning Region: 19.9 %Greater Bridgeport Planning Region19.9Western Connecticut Planning Region: 15.6 %Western Connecticut Planning Regi…15.6South Central Connecticut Planning Region: 13.5 %South Central Connecticut Plannin…13.5Naugatuck Valley Planning Region: 12.7 %Naugatuck Valley Planning Region12.7Capitol Planning Region: 12.1 %Capitol Planning Region12.1Southeastern Connecticut Planning Region: 8.8 %Southeastern Connecticut Planning…8.8Northwest Hills Planning Region: 5.1 %Northwest Hills Planning Region5.1Lower Connecticut River Valley Planning Region: 4.1 %Lower Connecticut River Valley Pl…4.1Northeastern Connecticut Planning Region: 2.6 %Northeastern Connecticut Planning…2.6Greater Bridgeport Planning Region: 19.9 %Greater Bridgeport Planning Region19.9Western Connecticut Planning Region: 15.6 %Western Connecticut Planning Region15.6South Central Connecticut Planning Region: 13.5 %South Central Connecticut Planning Region13.5Naugatuck Valley Planning Region: 12.7 %Naugatuck Valley Planning Region12.7Capitol Planning Region: 12.1 %Capitol Planning Region12.1Southeastern Connecticut Planning Region: 8.8 %Southeastern Connecticut Planning Region8.8Northwest Hills Planning Region: 5.1 %Northwest Hills Planning Region5.1Lower Connecticut River Valley Planning Region: 4.1 %Lower Connecticut River Valley Planning Region4.1Northeastern Connecticut Planning Region: 2.6 %Northeastern Connecticut Planning Region2.6
%. Source: Invokely calculation with data from U.S. Census Bureau. Retrieved 2026-10-12.

Full ranking

RankCounties2023 (%)Change on 2022
1Greater Bridgeport Planning Region19.9+3.7 pts
2Western Connecticut Planning Region15.6-0.3 pts
3South Central Connecticut Planning Region13.5+0.4 pts
4Naugatuck Valley Planning Region12.7-0.2 pts
5Capitol Planning Region12.1-0.1 pts
6Southeastern Connecticut Planning Region8.8+1.5 pts
7Northwest Hills Planning Region5.1-1.1 pts
8Lower Connecticut River Valley Planning Region4.1+0.4 pts
9Northeastern Connecticut Planning Region2.6-2.7 pts

Other periods

About this ranking

People aged 5 and over who speak Spanish at home, as a percentage of all people aged 5 and over. United States: American Community Survey five-year estimate, where the period shown is the last year of the five-year span.

Measures the language used at home, not English ability or Hispanic origin. Hispanic origin is hispanic_share.

Every value in the ranking comes from the same publisher and the same period, so the counties are compared on one definition. Equal values share a rank.

How to cite

U.S. Census Bureau. American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. Retrieved 2026-10-12.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

U.S. Census Bureau. (2026). American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs (Counties in Connecticut by population speaking Spanish at home, 2023) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat

MLA 9

American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs, Counties in Connecticut by population speaking Spanish at home, 2023. U.S. Census Bureau, 29 Jan. 2026, https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. Invokely, https://invokely.ai/rankings/spanish-spoken-at-home/connecticut-counties?period=2023. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs. Counties in Connecticut by population speaking Spanish at home, 2023. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. Also distributed by Invokely, https://invokely.ai/rankings/spanish-spoken-at-home/connecticut-counties?period=2023.

Harvard

U.S. Census Bureau (2026) American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs, Counties in Connecticut by population speaking Spanish at home, 2023 [Dataset]. Available at: https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat, via Invokely: https://invokely.ai/rankings/spanish-spoken-at-home/connecticut-counties?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_counties_in_connecticut_by_2023,
  author = {{U.S. Census Bureau}},
  title = {{American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs: Counties in Connecticut by population speaking Spanish at home, 2023}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/spanish-spoken-at-home/connecticut-counties?period=2023. Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary\_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs: Counties in Connecticut by population speaking Spanish at home, 2023
PY  - 2026
DA  - 2026/01/29
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat
L2  - https://invokely.ai/rankings/spanish-spoken-at-home/connecticut-counties?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/spanish-spoken-at-home/connecticut-counties?period=2023.
N1  - Publisher attribution: U.S. Census Bureau. American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs. https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/5YRData/acsdt5y2023-c16001.dat. Retrieved 2026-10-12.
ER  -
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Questions

Which county has the highest population speaking Spanish at home?

Greater Bridgeport Planning Region, with 19.9% in 2023, according to the U.S. Census Bureau.

Which county has the lowest population speaking Spanish at home?

Northeastern Connecticut Planning Region, with 2.6% in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, American Community Survey 5-year estimates, table C16001: people aged 5 and over who speak Spanish at home, as a percentage of the population aged 5 and over, calculated with stored inputs. Retrieved 2026-10-12.

Population speaking Spanish at home: other rankings

Counties in Connecticut: more rankings