"Top 15 counties by percent population growth, 1990-2000" Growth Percent Growth 2000 Population 1990 Population 1990-2000 1990-2000 1 "Douglas County, CO" "175,766" "60,391" "115,375" 191.0 2 "Forsyth County, GA" "98,407" "44,083" "54,324" 123.2 3 "Elbert County, CO" "19,872" "9,646" "10,226" 106.0 4 "Henry County, GA" "119,341" "58,741" "60,600" 103.2 5 "Park County, CO" "14,523" "7,174" "7,349" 102.4 6 "Loudoun County, VA" "169,599" "86,129" "83,470" 96.9 7 "Paulding County, GA" "81,678" "41,611" "40,067" 96.3 8 "Summit County, UT" "29,736" "15,518" "14,218" 91.6 9 "Boise County, ID" "6,670" "3,509" "3,161" 90.1 10 "Eagle County, CO" "41,659" "21,928" "19,731" 90.0 11 "Collin County, TX" "491,675" "264,036" "227,639" 86.2 12 "Washington County, UT" "90,354" "48,560" "41,794" 86.1 13 "Clark County, NV" "1,375,765" "741,459" "634,306" 85.5 14 "Archuleta County, CO" "9,898" "5,345" "4,553" 85.2 15 "Summit County, CO" "23,548" "12,881" "10,667" 82.8 "Source: U.S. Census Bureau, ""Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000"" " "(www.census.gov/population/cen2000/phc-t4/tab04.xls, accessed May 22, 2001)."