Demographic Data Report for Delaware by County Population: Age 18-39 "All Races (includes Hispanic), Both Sexes" 2017-2021 American Community Survey 5-Year Data Sorted by Value County, FIPS,Value (Percent),People (Age 18-39),Rank within US "United States",00000,29.6,97620321,"N/A" "Delaware",10000,27.6,270936,"5 of 52" "New Castle County",10003,29.9,169894,"2621 of 3143" "Kent County",10001,28.8,51916,"2416 of 3143" "Sussex County",10005,21.0,49126,"282 of 3143" Created by statecancerprofiles.cancer.gov on 03/28/2024 5:29 pm. 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 18-39, see the dictionary at http://statecancerprofiles.cancer.gov/dictionary.php#population." Data for United States does not include Puerto Rico.