Interpretation of Demographics Data
Demographic Data Report for Connecticut by County
Education: Less than High School
Population Ages 25+
All Races (includes Hispanic), Both Sexes
2020-2024 American Community Survey 5-Year Data
Sorted by Percent
United States
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 10.4 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 23,992,410.
- Rank within US : N/A
Connecticut
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 8.5 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 216,345.
- Rank within US : This county is ranked 27 of 52
Fairfield County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 9.8 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 65,940.
- Rank within US : This county is ranked 1573 of 3143
Windham County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 9.2 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 7,763.
- Rank within US : This county is ranked 1401 of 3143
New Haven County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 9.1 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 55,538.
- Rank within US : This county is ranked 1369 of 3143
Hartford County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 8.9 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 56,420.
- Rank within US : This county is ranked 1319 of 3143
New London County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 6.2 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 12,034.
- Rank within US : This county is ranked 547 of 3143
Litchfield County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 5.6 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 7,791.
- Rank within US : This county is ranked 397 of 3143
Tolland County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 5.1 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 5,070.
- Rank within US : This county is ranked 279 of 3143
Middlesex County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 4.7 percent.
- People(Education: Less Than High School) : The number of people(education: less than high school) is 5,789.
- Rank within US : This county is ranked 199 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 03/26/2026 1:36 am.
Φ Rural–urban county classifications are based on the 2023 USDA Rural–Urban Continuum Codes (except for Connecticut Counties which use 2013 codes). State-level cancer rates for rural areas are calculated using cancer cases registered exclusively in rural counties, while state-level cancer rates for urban areas are calculated using cases registered exclusively in urban counties.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Education: Less than High School, see the dictionary.
Note: This website still uses Connecticut counties instead of planning regions for consistency of geographies across data topics. If/when all data sources have new planning regions, then this website will switch to using them.
Data for United States does not include Puerto Rico.


