Which county has the highest population growth?

McKenzie County, North Dakota ranks #1 with +131.2% (2020 Decennial Census).

What are the top 5 counties by population growth?

McKenzie County, North Dakota, Williams County, North Dakota, Hays County, Texas, Dallas County, Iowa, Comal County, Texas.

How many counties are in this ranking?

3,131 counties qualify after filtering for population minimums and data availability. The ranking covers 2020 Decennial Census data.

How is population growth measured?

Percent change in population from the prior decennial census. Source: US Census Bureau, 2020 Decennial Census.

RANKING · 2020 CENSUS · 131 SHOWN OF 3,131

Fastest growing, US counties · 2020

US counties ranked by population growth from the 2010 census to 2020.

Flip the list · Fastest shrinking, US counties →

All statesAll rankings

SAME RANKING BYCities States Metros

YEAR2000 2010 2020 2025

RANKPLACESTATEPOPPOPULATION GROWTHVS 2000

3001McDowell County, WVWV16,878-13.6%+8.9 pts

3002Coleman County, TXTX7,915-13.6%−8.7 pts

3003Woodruff County, ARAR5,710-13.7%−5.5 pts

3004Greene County, ILIL11,313-13.7%−10.1 pts

3005Boyd County, NENE1,674-13.8%+0.2 pts

3006Greeley County, NENE2,154-13.8%−4.1 pts

3007Dimmit County, TXTX8,024-13.8%−12.0 pts

3008Smith County, MSMS13,991-13.8%−23.2 pts

3009Elk County, KSKS2,458-13.8%−11.9 pts

3010Ziebach County, SDSD2,389-13.9%−27.3 pts

3011Lee County, SCSC15,730-14.0%−23.1 pts

3012Hickory County, MOMO9,044-14.0%−35.9 pts

3013Holt County, MOMO4,200-14.0%−2.7 pts

3014Kemper County, MSMS8,600-14.0%−15.0 pts

3015Adair County, OKOK19,828-14.1%−28.3 pts

3016Gates County, NCNC10,234-14.1%−27.1 pts

3017Cumberland County, KYKY5,992-14.1%−19.5 pts

3018Crisp County, GAGA19,237-14.1%−24.0 pts

3019Summers County, WVWV11,532-14.1%−5.6 pts

3020Mora County, NMNM4,051-14.2%−35.7 pts

3021Ontonagon County, MIMI5,823-14.2%−2.5 pts

3022Clay County, WVWV7,538-14.2%−17.7 pts

3023Marion County, GAGA7,676-14.2%−42.0 pts

3024Hardeman County, TXTX3,292-14.3%−3.7 pts

3025Monroe County, ALAL18,965-14.3%−15.8 pts

3026Braxton County, WVWV11,885-14.3%−27.4 pts

3027Kit Carson County, COCO7,069-14.3%−26.5 pts

3028Oldham County, TXTX1,783-14.3%−10.2 pts

3029Pemiscot County, MOMO14,465-14.4%−5.9 pts

3030Catahoula Parish, LALA8,223-14.4%−13.1 pts

3031DeKalb County, MOMO9,795-14.5%−30.8 pts

3032Bollinger County, MOMO10,646-14.5%−27.8 pts

3033Greene County, ALAL7,067-14.5%−12.8 pts

3034Hidalgo County, NMNM3,929-14.6%−14.2 pts

3035Jeff Davis County, TXTX1,711-14.8%−28.2 pts

3036Gilmer County, WVWV7,085-14.8%−8.1 pts

3037Owsley County, KYKY3,932-14.8%−11.3 pts

3038Sublette County, WYWY8,929-14.8%−37.1 pts

3039Harmon County, OKOK2,327-14.9%−1.4 pts

3040Chattahoochee County, GAGA8,465-15.1%−3.0 pts

3041McMullen County, TXTX544-15.1%−19.3 pts

3042Crosby County, TXTX4,852-15.3%−12.1 pts

3043Latimer County, OKOK9,645-15.3%−18.8 pts

3044Bristol Bay, AKAK847-15.3%−4.6 pts

3045Douglas County, MOMO12,342-15.4%−25.6 pts

3046Newton County, TXTX11,954-15.4%−26.5 pts

3047Hardin County, ILIL3,588-15.5%−8.0 pts

3048Buchanan County, VAVA18,492-15.5%−1.6 pts

3049Pulaski County, ILIL4,820-15.7%−13.4 pts

3050Bertie County, NCNC17,086-15.7%−12.7 pts

3051Hall County, TXTX2,737-15.7%−12.6 pts

3052Pope County, ILIL3,672-15.8%−16.7 pts

3053Lincoln County, NVNV4,320-15.8%−26.2 pts

3054Kenedy County, TXTX319-15.9%−5.9 pts

3055Bladen County, NCNC30,007-15.9%−28.5 pts

3056West Carroll Parish, LALA9,156-16.0%−17.8 pts

3057Bell County, KYKY22,829-16.0%−11.4 pts

3058De Baca County, NMNM1,647-16.0%−15.5 pts

3059Webster County, GAGA2,369-16.1%−21.7 pts

3060Red River Parish, LALA7,165-16.2%−18.7 pts

3061Floyd County, TXTX4,881-16.2%−7.7 pts

3062Liberty County, MTMT1,957-16.2%−10.3 pts

3063Stonewall County, TXTX1,186-16.4%−0.5 pts

3064Morton County, KSKS2,470-16.5%−16.9 pts

3065McDonough County, ILIL25,916-16.5%−9.9 pts

3066Talbot County, GAGA5,709-16.5%−16.1 pts

3067Duval County, TXTX9,402-16.6%−18.1 pts

3068Monroe County, ARAR6,244-16.6%−7.0 pts

3069Real County, TXTX2,745-16.7%−43.0 pts

3070Baker County, GAGA2,725-16.7%−29.4 pts

3071Crockett County, TXTX2,769-16.7%−17.2 pts

3072Shannon County, MOMO7,285-16.7%−26.0 pts

3073Duplin County, NCNC51,571-16.7%−39.4 pts

3074Bamberg County, SCSC12,796-16.7%−15.3 pts

3075Calhoun County, GAGA5,413-16.7%−42.8 pts

3076Randolph County, GAGA6,156-16.8%−13.9 pts

3077Washington County, NCNC10,638-16.8%−14.9 pts

3078Humphreys County, MSMS7,001-17.0%−9.3 pts

3079Carter County, MOMO5,418-17.0%−24.7 pts

3080Haines, AKAK2,068-17.1%−30.1 pts

3081Madison Parish, LALA8,844-17.2%−27.3 pts

3082Zavala County, TXTX9,037-17.2%−12.6 pts

3083Rock County, NENE1,259-17.3%−4.3 pts

3084Tallahatchie County, MSMS10,877-17.3%−15.3 pts

3085Lafayette County, ARAR5,888-17.5%−6.2 pts

3086Lee County, ARAR8,029-17.5%−13.9 pts

3087Jefferson County, OKOK5,431-17.5%−14.8 pts

3088Claiborne Parish, LALA13,354-17.6%−14.4 pts

3089Dundy County, NENE1,568-17.6%−6.4 pts

3090Cameron Parish, LALA4,718-17.9%−25.8 pts

3091Pulaski County, GAGA10,172-17.9%−36.2 pts

3092Macon County, GAGA11,756-18.0%−25.4 pts

3093Foard County, TXTX1,044-18.0%−8.5 pts

3094Anson County, NCNC21,758-18.2%−25.8 pts

3095Coahoma County, MSMS19,849-18.2%−14.9 pts

3096St. Francis County, ARAR21,800-18.3%−21.2 pts

3097Sutton County, TXTX3,203-18.3%−16.9 pts

3098Calhoun County, WVWV5,978-18.3%−14.5 pts

3099Cochran County, TXTX2,546-18.5%−3.8 pts

3100Wayne County, MOMO10,782-18.8%−33.7 pts

3101Concho County, TXTX3,607-19.2%−49.5 pts

3102Ritchie County, WVWV8,034-19.2%−20.3 pts

3103La Paz County, AZAZ16,711-19.2%−61.6 pts

3104Luce County, MIMI6,339-19.5%−41.4 pts

3105Clark County, IDID783-19.6%−53.7 pts

3106Perry County, ALAL7,425-19.6%−12.6 pts

3107Jerauld County, SDSD1,654-19.7%−14.3 pts

3108Dallas County, ARAR6,011-20.1%−15.9 pts

3109Pendleton County, WVWV5,826-20.2%−21.9 pts

3110Oregon County, MOMO8,709-20.6%−29.9 pts

3111Northampton County, NCNC16,491-20.9%−27.1 pts

3112Hyde County, NCNC4,554-21.0%−28.7 pts

3113Tensas Parish, LALA3,700-21.0%−14.2 pts

3114Presidio County, TXTX5,433-21.6%−31.6 pts

3115Loving County, TXTX52-22.0%+15.4 pts

3116Sharkey County, MSMS3,097-22.7%−15.8 pts

3117Terrell County, TXTX702-22.8%+0.6 pts

3118Allendale County, SCSC7,355-22.8%−18.5 pts

3119McIntosh County, GAGA11,989-23.4%−49.1 pts

3120Phillips County, ARAR14,255-23.8%−15.6 pts

3121Ripley County, MOMO10,717-24.3%−34.1 pts

3122Telfair County, GAGA11,195-24.4%−31.6 pts

3123Dooly County, GAGA11,156-24.9%−41.3 pts

3124Quitman County, MSMS5,364-24.9%−21.3 pts

3125McPherson County, NENE369-26.0%−23.6 pts

3126Tyrrell County, NCNC3,537-26.4%−34.0 pts

3127Blaine County, OKOK8,515-26.9%−31.3 pts

3128Dickens County, TXTX1,692-27.6%−35.0 pts

3129Edwards County, TXTX1,370-29.0%−24.4 pts

3130Schleicher County, TXTX2,245-29.2%−27.3 pts

3131Alexander County, ILIL4,570-36.4%−26.6 pts

SHOWING 3,001–3,131 OF 3,131

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Download CSV (full list, 3,131 rows)

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