Demographics Table
Demographic Data Report for Connecticut by County
Population: Age 40-64
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Value
County
|
2023 Rural-Urban Continuum Codes Φ
|
Value (Percent)
|
People (Age 40-64)
|
Rank within US (of 3143 counties)
|
|---|---|---|---|---|
| Connecticut | N/A | 33.4 | 1,203,263 | 3 of 52 |
| United States | N/A | 31.5 | 104,713,862 | N/A |
| Litchfield County | Rural | 35.0 | 64,958 | 249 |
| Middlesex County | Urban | 34.9 | 57,632 | 270 |
| Fairfield County | Urban | 34.7 | 333,067 | 310 |
| Windham County | Urban | 33.7 | 39,109 | 638 |
| Hartford County | Urban | 32.9 | 294,300 | 1,052 |
| New London County | Urban | 32.8 | 87,753 | 1,098 |
| New Haven County | Urban | 32.6 | 281,118 | 1,200 |
| Tolland County | Urban | 30.9 | 45,326 | 2,099 |
Notes:
Created by statecancerprofiles.cancer.gov on 02/16/2026 1:03 pm.
Φ Rural-Urban Continuum Codes provided by the USDA.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 40-64, 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. 2013 Rural-Urban Continuum Codes will be used for Connecticut counties.
Data for United States does not include Puerto Rico.
Created by statecancerprofiles.cancer.gov on 02/16/2026 1:03 pm.
Φ Rural-Urban Continuum Codes provided by the USDA.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 40-64, 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. 2013 Rural-Urban Continuum Codes will be used for Connecticut counties.
Data for United States does not include Puerto Rico.