Download Excel File List of Counties in Wyoming

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S.No.,County,FIPS code,County seat,Area,Population,Established Year,Formed from1,Albany County,1,Laramie,"4,274sqmi(11,070km)","37,608",1868,One of the original five counties.2,Big Horn County,3,Basin,"3,137sqmi(8,125km)","11,632",1896,"Parts of Sheridan County, Johnson County, and Fremont County."3,Campbell County,5,Gillette,"4,797sqmi(12,424km)","46,401",1911,Parts of Weston County and Crook County.4,Carbon County,7,Rawlins,"7,897sqmi(20,453km)","14,649",1868,One of the original five counties.5,Converse County,9,Douglas,"4,255sqmi(11,020km)","13,672",1888,Parts of Albany County and Laramie County.6,Crook County,11,Sundance,"2,859sqmi(7,405km)","7,315",1875,Parts of Laramie County and Albany County.7,Fremont County,13,Lander,"9,183sqmi(23,784km)","39,336",1884,Part of Sweetwater County.8,Goshen County,15,Torrington,"2,225sqmi(5,763km)","12,537",1911,Part of Laramie County.9,Hot Springs County,17,Thermopolis,"2,004sqmi(5,190km)","4,597",1911,"Parts of Fremont County, Big Horn County, and Park County."10,Johnson County,19,Buffalo,"4,166sqmi(10,790km)","8,623",1875,Parts of Carbon County and Sweetwater County.11,Laramie County,21,Cheyenne,"2,686sqmi(6,957km)","1,00,863",1867,One of the original five counties.12,Lincoln County,23,Kemmerer,"4,069sqmi(10,539km)","20,153",1911,Part of Uinta County.13,Natrona County,25,Casper,"5,340sqmi(13,831km)","79,555",1888,Part of Carbon County.14,Niobrara County,27,Lusk,"2,626sqmi(6,801km)","2,438",1911,Part of Converse County.15,Park County,29,Cody,"6,943sqmi(17,982km)","30,108",1909,Part of Big Horn County.16,Platte County,31,Wheatland,"2,085sqmi(5,400km)","8,699",1911,Part of Laramie County.17,Sheridan County,33,Sheridan,"2,523sqmi(6,535km)","31,646",1888,Part of Johnson County.18,Sublette County,35,Pinedale,"4,882sqmi(12,644km)","8,697",1921,Parts of Fremont County and Lincoln County.19,Sweetwater County,37,Green River,"10,426sqmi(27,003km)","41,614",1867,One of the original five counties.20,Teton County,39,Jackson,"4,008sqmi(10,381km)","23,575",1921,Part of Lincoln County.21,Uinta County,41,Evanston,"2,082sqmi(5,392km)","20,635",1869,One of the original five counties.22,Washakie County,43,Worland,"2,240sqmi(5,802km)","7,705",1911,Part of Big Horn County23,Weston County,45,Newcastle,"2,398sqmi(6,211km)","6,745",1890,Part of Crook County,,,,,,,https://www.downloadexcelfiles.com/,,,,,,,