Demographic Data Report for Delaware by County Population: Age 40 and over "All Races (includes Hispanic), Both Sexes" 2017-2021 American Community Survey 5-Year Data Sorted by Count County, FIPS,Value (Percent),People (Age 40 And Over),Rank within US "United States",00000,47.9,157871085,"N/A" "Delaware",10000,51.3,503311,"7 of 52" "New Castle County",10003,48.5,275259,"2253 of 3143" "Sussex County",10005,60.4,141464,"211 of 3143" "Kent County",10001,48.1,86588,"2322 of 3143" Created by statecancerprofiles.cancer.gov on 03/28/2024 8:02 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.