Data / Rankings / Population / Cities in Connecticut

Cities in Connecticut by population

Bridgeport, CT had the highest population of 21 cities in 2024, at 151,415. Groton, CT had the lowest, at 10,163. The median was 55,379 and the figure for Connecticut was 3.67 million. Source: the U.S. Census Bureau.

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Highest151,415Bridgeport, CT
Lowest10,163Groton, CT
Median55,37921 cities
Connecticut3,674,449History

All cities, 2024

Bridgeport, CT: 151,415 personsBridgeport, CT151,415Stamford, CT: 139,344 personsStamford, CT139,344New Haven, CT: 137,888 personsNew Haven, CT137,888Hartford, CT: 121,841 personsHartford, CT121,841Waterbury, CT: 115,501 personsWaterbury, CT115,501Norwalk, CT: 93,716 personsNorwalk, CT93,716Danbury, CT: 88,924 personsDanbury, CT88,924New Britain, CT: 75,673 personsNew Britain, CT75,673Bristol, CT: 62,125 personsBristol, CT62,125Meriden, CT: 60,862 personsMeriden, CT60,862West Haven, CT: 55,379 personsWest Haven, CT55,379Milford, CT: 51,034 personsMilford, CT51,034Middletown, CT: 48,447 personsMiddletown, CT48,447Shelton, CT: 42,764 personsShelton, CT42,764Norwich, CT: 40,033 personsNorwich, CT40,033Torrington, CT: 35,730 personsTorrington, CT35,730Naugatuck, CT: 32,097 personsNaugatuck, CT32,097New London, CT: 28,021 personsNew London, CT28,021Ansonia, CT: 19,158 personsAnsonia, CT19,158Derby, CT: 12,895 personsDerby, CT12,895Groton, CT: 10,163 personsGroton, CT10,163Bridgeport, CT: 151,415 personsBridgeport, CT151,415Stamford, CT: 139,344 personsStamford, CT139,344New Haven, CT: 137,888 personsNew Haven, CT137,888Hartford, CT: 121,841 personsHartford, CT121,841Waterbury, CT: 115,501 personsWaterbury, CT115,501Norwalk, CT: 93,716 personsNorwalk, CT93,716Danbury, CT: 88,924 personsDanbury, CT88,924New Britain, CT: 75,673 personsNew Britain, CT75,673Bristol, CT: 62,125 personsBristol, CT62,125Meriden, CT: 60,862 personsMeriden, CT60,862West Haven, CT: 55,379 personsWest Haven, CT55,379Milford, CT: 51,034 personsMilford, CT51,034Middletown, CT: 48,447 personsMiddletown, CT48,447Shelton, CT: 42,764 personsShelton, CT42,764Norwich, CT: 40,033 personsNorwich, CT40,033Torrington, CT: 35,730 personsTorrington, CT35,730Naugatuck, CT: 32,097 personsNaugatuck, CT32,097New London, CT: 28,021 personsNew London, CT28,021Ansonia, CT: 19,158 personsAnsonia, CT19,158Derby, CT: 12,895 personsDerby, CT12,895Groton, CT: 10,163 personsGroton, CT10,163
persons. Source: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Retrieved 2026-10-12.

Full ranking

RankCities2024
persons		Change on 2023
1Bridgeport, CT151,415+0.9%
2Stamford, CT139,344+1.3%
3New Haven, CT137,888+1.4%
4Hartford, CT121,841+0.6%
5Waterbury, CT115,501+0.3%
6Norwalk, CT93,716+0.5%
7Danbury, CT88,924+1.9%
8New Britain, CT75,673+1.2%
9Bristol, CT62,125+0.5%
10Meriden, CT60,862+0.8%
11West Haven, CT55,379+0.4%
12Milford, CT51,034+0.8%
13Middletown, CT48,447+0.9%
14Shelton, CT42,764+1.2%
15Norwich, CT40,033+0.2%
16Torrington, CT35,730+0.5%
17Naugatuck, CT32,097+0.5%
18New London, CT28,021-0%
19Ansonia, CT19,158+0.5%
20Derby, CT12,895+3.7%
21Groton, CT10,163+9.1%

Other periods

About this ranking

Resident population.

More on how it is measured
  • Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón).
  • Norway: Statistics Norway, 1 January.
  • Iceland and its municipalities: Statistics Iceland, 1 January.
  • United States: Census Bureau population estimates for 1 July.
  • United Kingdom regions and local authorities: Office for National Statistics estimates for 30 June.
  • Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.
  • UN World Population Prospects estimates for 1 July cover the years before 1960 and the areas the World Bank does not publish, such as Taiwan.

The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

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

How to cite

U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. 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). Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals) (Cities in Connecticut by population, 2024) [Data set]. Retrieved October 12, 2026, from https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/

MLA 9

Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals), Cities in Connecticut by population, 2024. U.S. Census Bureau, 14 May 2026, https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Invokely, https://invokely.ai/rankings/population/connecticut-cities?period=2024. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Cities in Connecticut by population, 2024. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Also distributed by Invokely, https://invokely.ai/rankings/population/connecticut-cities?period=2024.

Harvard

U.S. Census Bureau (2026) Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals), Cities in Connecticut by population, 2024 [Dataset]. Available at: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/, via Invokely: https://invokely.ai/rankings/population/connecticut-cities?period=2024 (Accessed: 12 October 2026).

BibTeX
@misc{census_cities_in_connecticut_by_2024,
  author = {{U.S. Census Bureau}},
  title = {{Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals): Cities in Connecticut by population, 2024}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/rankings/population/connecticut-cities?period=2024. Publisher attribution: U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals): Cities in Connecticut by population, 2024
PY  - 2026
DA  - 2026/05/14
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/
L2  - https://invokely.ai/rankings/population/connecticut-cities?period=2024
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/population/connecticut-cities?period=2024.
N1  - Publisher attribution: U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.
ER  -
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Rank Cities in Connecticut by population using official data, and cite the source.
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Questions

Which city has the highest population?

Bridgeport, CT, with 151,415 in 2024, according to the U.S. Census Bureau.

Which city has the lowest population?

Groton, CT, with 10,163 in 2024.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Retrieved 2026-10-12.

Population: other rankings

Cities in Connecticut: more rankings