Which county has the highest population growth?

Kendall County, Illinois ranks #1 with +110.4% (2010 Decennial Census).

What are the top 5 counties by population growth?

Kendall County, Illinois, Pinal County, Arizona, Flagler County, Florida, Lincoln County, South Dakota, Loudoun County, Virginia.

How many counties are in this ranking?

3,125 counties qualify after filtering for population minimums and data availability. The ranking covers 2010 Decennial Census data.

How is population growth measured?

Percent change in population from the prior decennial census. Source: US Census Bureau, 2010 Decennial Census.

RANKING · 2010 CENSUS · 125 SHOWN OF 3,125

Fastest growing, US counties · 2010

US counties ranked by population growth from the 2000 census to 2010.

Flip the list · Fastest shrinking, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

3001Hardeman County, TXTX3,292-12.4%−1.8 pts

3002Dundy County, NENE1,568-12.4%−1.2 pts

3003Choctaw County, MSMS8,048-12.4%−20.0 pts

3004Steele County, NDND1,797-12.5%−5.8 pts

3005Knox County, TXTX3,192-12.6%−0.5 pts

3006Woodson County, KSKS3,118-12.6%−4.7 pts

3007Golden Valley County, NDND1,808-12.7%−4.0 pts

3008Glasscock County, TXTX1,128-12.8%−10.0 pts

3009Greenwood County, KSKS5,826-12.8%−10.6 pts

3010Choctaw County, ALAL11,904-13.0%−12.4 pts

3011Calhoun County, IAIA9,562-13.0%−9.6 pts

3012Florence County, WIWI4,748-13.1%−23.9 pts

3013Rock County, NENE1,259-13.1%−0.1 pts

3014Douglas County, SDSD2,888-13.2%−5.5 pts

3015Daniels County, MTMT1,612-13.2%−2.2 pts

3016Ontonagon County, MIMI5,823-13.3%−1.6 pts

3017Gallatin County, ILIL4,616-13.3%−6.6 pts

3018Grayson County, VAVA15,230-13.3%−23.4 pts

3019Prowers County, COCO11,884-13.3%−21.9 pts

3020Osborne County, KSKS3,285-13.3%−4.8 pts

3021Sedgwick County, COCO2,247-13.4%−15.5 pts

3022Accomack County, VAVA33,859-13.4%−34.2 pts

3023Eddy County, NDND2,329-13.5%−6.9 pts

3024Potter County, SDSD2,377-13.5%+2.1 pts

3025Pembina County, NDND6,568-13.7%−6.6 pts

3026Thayer County, NENE4,842-13.7%−4.9 pts

3027Iron County, WIWI6,127-13.8%−25.3 pts

3028Logan County, NDND1,859-13.8%+5.2 pts

3029Breathitt County, KYKY12,558-13.8%−16.3 pts

3030Kiowa County, COCO1,412-13.8%−9.9 pts

3031Kittson County, MNMN4,031-13.9%−5.5 pts

3032Cheyenne County, KSKS2,604-13.9%−11.5 pts

3033Plaquemines Parish, LALA22,256-13.9%−18.5 pts

3034Boyd County, NENE1,674-13.9%+0.1 pts

3035Traverse County, MNMN3,130-13.9%−6.6 pts

3036Spink County, SDSD6,155-13.9%−7.3 pts

3037Tillman County, OKOK6,780-13.9%−3.4 pts

3038Coke County, TXTX3,412-14.1%−26.9 pts

3039Alexander County, ILIL4,570-14.1%−4.3 pts

3040Harding County, NMNM617-14.2%+3.7 pts

3041Sunflower County, MSMS22,893-14.3%−18.9 pts

3042Mineral County, COCO910-14.3%−63.2 pts

3043Crosby County, TXTX4,852-14.3%−11.1 pts

3044Coahoma County, MSMS19,849-14.6%−11.3 pts

3045Huerfano County, COCO7,011-14.6%−45.5 pts

3046Republic County, KSKS4,640-14.7%−4.7 pts

3047Yukon-Koyukuk Census Area, AKAK5,028-14.7%+8.0 pts

3048Carter County, MTMT1,383-14.7%−5.2 pts

3049Decatur County, KSKS2,716-14.7%−1.1 pts

3050Twiggs County, GAGA7,597-14.8%−22.8 pts

3051Leflore County, MSMS25,686-14.8%−16.5 pts

3052Cameron County, PAPA4,211-14.9%−15.9 pts

3053Hyde County, SDSD1,191-15.0%−13.5 pts

3054Smith County, KSKS3,566-15.1%−4.4 pts

3055Rawlins County, KSKS2,431-15.1%−2.2 pts

3056Terrell County, GAGA8,656-15.1%−18.1 pts

3057Wallace County, KSKS1,441-15.1%−11.1 pts

3058Motley County, TXTX1,043-15.1%−8.2 pts

3059Golden Valley County, MTMT844-15.2%−29.4 pts

3060Desha County, ARAR9,984-15.2%−6.5 pts

3061Baker County, GAGA2,725-15.3%−28.0 pts

3062McPherson County, SDSD2,347-15.3%−5.3 pts

3063Pocahontas County, IAIA6,819-15.6%−6.5 pts

3064Jones County, SDSD913-15.7%−5.8 pts

3065Grant County, NDND2,206-15.7%+4.2 pts

3066Banner County, NENE686-15.8%−11.9 pts

3067Chautauqua County, KSKS3,321-15.8%−14.7 pts

3068Nelson County, NDND2,963-15.9%−0.1 pts

3069Bolivar County, MSMS28,262-16.0%−13.0 pts

3070Lowndes County, ALAL9,359-16.1%−22.6 pts

3071Baca County, COCO3,347-16.1%−15.3 pts

3072Pulaski County, ILIL4,820-16.2%−13.8 pts

3073Cochran County, TXTX2,546-16.2%−1.4 pts

3074Keya Paha County, NENE792-16.2%−11.7 pts

3075Humphreys County, MSMS7,001-16.3%−8.7 pts

3076Chicot County, ARAR9,107-16.4%−6.3 pts

3077Treasure County, MTMT728-16.6%−15.1 pts

3078McMullen County, TXTX544-16.9%−21.1 pts

3079Woodruff County, ARAR5,710-16.9%−8.8 pts

3080Floyd County, TXTX4,881-17.1%−8.5 pts

3081Lee County, ARAR8,029-17.1%−13.5 pts

3082McIntosh County, NDND2,451-17.1%−1.4 pts

3083Miner County, SDSD2,281-17.2%−5.3 pts

3084Taliaferro County, GAGA1,662-17.3%−25.8 pts

3085Cavalier County, NDND3,497-17.3%+3.0 pts

3086Hidalgo County, NMNM3,929-17.5%−17.1 pts

3087Wells County, NDND3,729-17.5%−4.5 pts

3088Sheridan County, MTMT3,436-17.6%−4.3 pts

3089Foard County, TXTX1,044-17.6%−8.0 pts

3090East Carroll Parish, LALA6,760-17.6%−14.7 pts

3091Cheyenne County, COCO1,713-17.7%−10.8 pts

3092Phillips County, ARAR14,255-17.7%−9.4 pts

3093Campbell County, SDSD1,377-17.7%−8.4 pts

3094Grant County, NENE561-17.8%−14.9 pts

3095Sterling County, TXTX1,349-17.9%−14.8 pts

3096Blaine County, NENE458-18.0%−4.4 pts

3097Emmons County, NDND3,215-18.0%−7.7 pts

3098Yakutat, AKAK672-18.1%–

3099Swift County, MNMN9,763-18.2%−29.7 pts

3100Greeley County, KSKS1,182-18.7%−5.2 pts

3101Quitman County, MSMS5,364-18.7%−15.2 pts

3102Lane County, KSKS1,508-18.8%−9.5 pts

3103Washington County, MSMS40,446-18.8%−11.5 pts

3104Claiborne County, MSMS8,058-18.8%−22.9 pts

3105Jewell County, KSKS2,830-18.8%−8.0 pts

3106McDowell County, WVWV16,878-19.1%+3.3 pts

3107Esmeralda County, NVNV729-19.4%+8.4 pts

3108Culberson County, TXTX2,267-19.4%−6.7 pts

3109King County, TXTX192-19.7%−20.2 pts

3110Monroe County, ARAR6,244-20.5%−11.0 pts

3111Tensas Parish, LALA3,700-20.6%−13.8 pts

3112Jefferson County, MSMS6,825-20.7%−33.2 pts

3113Bristol Bay, AKAK847-20.7%−10.0 pts

3114Cottle County, TXTX1,224-21.0%−5.7 pts

3115Cimarron County, OKOK2,059-21.4%−16.7 pts

3116Towner County, NDND2,040-21.9%−1.2 pts

3117Kiowa County, KSKS2,432-22.1%−11.7 pts

3118Sheridan County, NDND1,296-22.7%−2.4 pts

3119Chattahoochee County, GAGA8,465-24.3%−12.2 pts

3120Sharkey County, MSMS3,097-25.3%−18.4 pts

3121Orleans Parish, LALA362,154-29.1%−26.6 pts

3122Cameron Parish, LALA4,718-31.5%−39.4 pts

3123Issaquena County, MSMS1,263-38.2%−57.3 pts

3124Kalawao County, HIHI82-38.8%−51.9 pts

3125St. Bernard Parish, LALA45,642-46.6%−47.5 pts

SHOWING 3,001–3,125 OF 3,125

1 2 3 4 5 6 7

Download CSV (full list, 3,125 rows)

UPDATED 2026-08-08 · DATA: US CENSUS BUREAU DECENNIAL CENSUS