Diamond, Illinois
[3] A post office called Diamond was established in 1872, and remained in operation until 1909.[5] The village was named for its location in the center of the "Black Diamond" coal district.[8] According to the 2021 census gazetteer files, Diamond has a total area of 1.90 square miles (4.92 km2), all land.There were 1,043 housing units at an average density of 548.95 per square mile (211.95/km2).31.09% of all households were made up of individuals, and 17.99% had someone living alone who was 65 years of age or older.
VillageGrundyTime zoneZIP Code(s)Area codes815 & 779FIPS codeWill CountiesIllinoiscoal townDiamond Mine flooded2020 censusAfrican AmericanNative AmericanPacific Islanderother racesHispanicLatinoper capita incomepoverty lineUnited States Census BureauGrundy County, IllinoisCounty seatMorrisCitiesVillagesBracevilleCarbon HillChannahonCoal CityDwightEast BrooklynGardnerGodleyKinsmanMinookaSenecaSouth WilmingtonVeronaTownshipsAux SableEriennaGarfieldGoodfarmGoose LakeGreenfieldHighlandNettle CreekNormanSaratogaViennaWauponseeUnincorporated communitiesMazoniaPaytonvilleGhost townsJugtownWill County, IllinoisJolietAuroraBraidwoodCrest HillLockportNapervilleWilmingtonBeecherBolingbrookElwoodFrankfortHomer GlenLemontManhattanMokenaNew LenoxOrland ParkOswegoPark ForestPeotonePlainfieldRockdaleRomeovilleSauk VillageShorewoodStegerSymertonTinley ParkUniversity ParkWoodridgeCusterDuPageFlorenceGreen GardenJacksonWashingtonWesleyWheatlandWiltonAndresArbury HillsBonnie BraeCrystal LawnsCuster ParkEagle LakeFairmontFrankfort SquareGoodenowIngalls ParkLakewood ShoresLockport HeightsLorenzoMarleyPlum ValleyPreston HeightsRest HavenRidgewoodRitchieSunnylandWillow Brook EstatesWilton CenterOthercommunitiesBallouPierceGhost townGoodings GroveMillsdale