Demographic Data Report for Connecticut by County Population: Age 40 and over "All Races (includes Hispanic), Both Sexes" 2017-2021 American Community Survey 5-Year Data Sorted by Name County, FIPS,Value (Percent),People (Age 40 And Over),Rank within US "Connecticut",09000,51.2,1845511,"8 of 52" "United States",00000,47.9,157871085,"N/A" "Fairfield County",09001,51.0,487317,"1723 of 3143" "Hartford County",09003,50.3,451608,"1905 of 3143" "Litchfield County",09005,58.1,107589,"392 of 3143" "Middlesex County",09007,56.5,92927,"563 of 3143" "New Haven County",09009,50.5,436765,"1850 of 3143" "New London County",09011,51.5,138524,"1596 of 3143" "Tolland County",09013,47.2,70928,"2454 of 3143" "Windham County",09015,51.4,59853,"1617 of 3143" Created by statecancerprofiles.cancer.gov on 03/29/2024 4:54 am. Source: Demographic data provided by the Census Bureau (http://www.census.gov/) & the American Community Survey (http://www.census.gov/acs/www/). "For more information about Population: Age 40 and over, see the dictionary at http://statecancerprofiles.cancer.gov/dictionary.php#population." Data for United States does not include Puerto Rico.