Ranking of US Counties By the Percentage of the Population that were Children (0-17yrs) in 2021 (ACS-5Yrs)
Updated on July 9, 2024.
Based on the US Census ACS-5Yrs estimates, in 2021, among all US counties, Todd County, SD had the highest percentage of its population being children (0-17yrs) (41.37%), followed by Kusilvak Census Area, AK (40.83%), and Bennett County, SD (40.75%).
The chart below shows the top 10 counties, and the table below shows the top 200 counties.
You can see similar info for other age cohorts.
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Related Topics: US Census 2021 Topic List.
Data Source: US Census - ACS 5-Year Estimates.
Ranking of US Counties By the Percentage of the Population that were Children (0-17yrs) in 2021
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| Rank | County | Children (0-17yrs)'s % of Pop. |
|---|---|---|
| 1 | Todd County, SD | 41.37 |
| 2 | Kusilvak Census Area, AK | 40.83 |
| 3 | Bennett County, SD | 40.75 |
| 4 | Kenedy County, TX | 39.05 |
| 5 | De Baca County, NM | 38.71 |
| 6 | Buffalo County, SD | 38.30 |
| 7 | Corson County, SD | 37.40 |
| 8 | Loving County, TX | 37.35 |
| 9 | Oglala Lakota County, SD | 37.08 |
| 10 | Dewey County, SD | 37.02 |
| 11 | Sioux County, ND | 36.84 |
| 12 | Thurston County, NE | 36.50 |
| 13 | Benson County, ND | 36.19 |
| 14 | Gaines County, TX | 36.18 |
| 15 | Sterling County, TX | 36.02 |
| 16 | Northwest Arctic Borough, AK | 35.64 |
| 17 | Adams County, WA | 35.57 |
| 18 | Bethel Census Area, AK | 35.37 |
| 19 | Morgan County, UT | 35.20 |
| 20 | Oldham County, TX | 35.14 |
| 21 | Nome Census Area, AK | 34.56 |
| 22 | Juab County, UT | 34.48 |
| 23 | Rolette County, ND | 34.33 |
| 24 | Roosevelt County, MT | 34.06 |
| 25 | Jefferson County, ID | 33.98 |
| 26 | Big Horn County, MT | 33.96 |
| 27 | Duchesne County, UT | 33.59 |
| 28 | Zapata County, TX | 33.43 |
| 29 | Beaver County, UT | 33.37 |
| 30 | Borden County, TX | 33.27 |
| 31 | Rich County, UT | 33.19 |
| 32 | Utah County, UT | 33.17 |
| 33 | Daggett County, UT | 33.16 |
| 34 | Starr County, TX | 32.96 |
| 35 | Hamlin County, SD | 32.85 |
| 36 | Yoakum County, TX | 32.72 |
| 37 | Webb County, TX | 32.67 |
| 38 | Dallam County, TX | 32.66 |
| 39 | LaGrange County, IN | 32.64 |
| 40 | Uintah County, UT | 32.59 |
| 41 | Hidalgo County, TX | 32.50 |
| 42 | McKenzie County, ND | 32.41 |
| 43 | Menominee County, WI | 32.35 |
| 44 | Franklin County, WA | 32.34 |
| 45 | Tooele County, UT | 32.31 |
| 46 | Franklin County, ID | 32.15 |
| 47 | Stonewall County, TX | 32.11 |
| 48 | Martin County, TX | 32.09 |
| 49 | Reagan County, TX | 32.08 |
| 50 | Moore County, TX | 31.88 |
| 51 | Davis County, UT | 31.87 |
| 52 | Jim Hogg County, TX | 31.72 |
| 53 | Adams County, IN | 31.63 |
| 54 | Eureka County, NV | 31.57 |
| 55 | Box Elder County, UT | 31.55 |
| 56 | Cassia County, ID | 31.52 |
| 56 | Millard County, UT | 31.52 |
| 57 | Dillingham Census Area, AK | 31.48 |
| 57 | Mahnomen County, MN | 31.48 |
| 58 | Seward County, KS | 31.43 |
| 59 | Geary County, KS | 31.35 |
| 60 | Deaf Smith County, TX | 31.29 |
| 61 | Maverick County, TX | 31.27 |
| 62 | Haines Borough, AK | 31.22 |
| 63 | Stanton County, KS | 31.18 |
| 64 | Holmes County, OH | 31.10 |
| 65 | Ochiltree County, TX | 31.09 |
| 66 | Power County, ID | 31.07 |
| 67 | Wasatch County, UT | 31.04 |
| 68 | Andrews County, TX | 30.88 |
| 69 | Tulare County, CA | 30.81 |
| 70 | Bonneville County, ID | 30.80 |
| 71 | Colfax County, NE | 30.79 |
| 72 | Bingham County, ID | 30.77 |
| 72 | Crane County, TX | 30.77 |
| 73 | Lipscomb County, TX | 30.75 |
| 74 | Grant County, KS | 30.62 |
| 75 | Jerome County, ID | 30.57 |
| 75 | Ector County, TX | 30.57 |
| 76 | Sutton County, TX | 30.55 |
| 77 | Lea County, NM | 30.40 |
| 77 | Jackson County, SD | 30.40 |
| 78 | Kent County, TX | 30.38 |
| 79 | Charles Mix County, SD | 30.36 |
| 80 | Ford County, KS | 30.34 |
| 81 | Hanson County, SD | 30.30 |
| 82 | Finney County, KS | 30.29 |
| 83 | Cache County, UT | 30.28 |
| 84 | Blaine County, MT | 30.27 |
| 85 | Cameron County, TX | 30.25 |
| 86 | Hansford County, TX | 29.97 |
| 87 | Gray County, KS | 29.88 |
| 88 | Clark County, WI | 29.86 |
| 89 | Mellette County, SD | 29.85 |
| 90 | Yakima County, WA | 29.82 |
| 91 | Glacier County, MT | 29.81 |
| 92 | San Juan County, UT | 29.80 |
| 93 | Lyman County, SD | 29.77 |
| 94 | Pottawatomie County, KS | 29.74 |
| 95 | Daviess County, IN | 29.73 |
| 96 | Davis County, IA | 29.68 |
| 97 | Kearny County, KS | 29.66 |
| 98 | Merced County, CA | 29.58 |
| 99 | Grant County, WA | 29.56 |
| 100 | Bryan County, GA | 29.54 |
| 100 | Williams County, ND | 29.54 |
| 101 | Logan County, NE | 29.48 |
| 102 | Winkler County, TX | 29.39 |
| 103 | Ward County, TX | 29.37 |
| 104 | Dakota County, NE | 29.33 |
| 104 | Castro County, TX | 29.33 |
| 105 | Clark County, SD | 29.31 |
| 106 | Minidoka County, ID | 29.30 |
| 107 | Titus County, TX | 29.20 |
| 108 | Sevier County, UT | 29.19 |
| 109 | Scotland County, MO | 29.18 |
| 110 | Zavala County, TX | 29.15 |
| 111 | Stevens County, KS | 29.06 |
| 112 | Kern County, CA | 29.04 |
| 112 | Dimmit County, TX | 29.04 |
| 112 | Midland County, TX | 29.04 |
| 113 | Greeley County, KS | 28.88 |
| 113 | Tunica County, MS | 28.88 |
| 114 | Emery County, UT | 28.83 |
| 115 | Imperial County, CA | 28.81 |
| 116 | Rockland County, NY | 28.80 |
| 117 | Sevier County, AR | 28.76 |
| 118 | Mountrail County, ND | 28.72 |
| 119 | Emporia city, VA | 28.71 |
| 120 | McKinley County, NM | 28.69 |
| 121 | Camas County, ID | 28.64 |
| 121 | Val Verde County, TX | 28.64 |
| 122 | Uinta County, WY | 28.63 |
| 123 | Cheyenne County, CO | 28.62 |
| 124 | Arthur County, NE | 28.60 |
| 125 | Iron County, UT | 28.57 |
| 126 | Fresno County, CA | 28.54 |
| 127 | Caribou County, ID | 28.47 |
| 128 | Chambers County, TX | 28.44 |
| 129 | Kendall County, IL | 28.42 |
| 130 | Parmer County, TX | 28.39 |
| 131 | Lyon County, IA | 28.38 |
| 132 | Scott County, KS | 28.36 |
| 133 | Texas County, OK | 28.34 |
| 134 | Haskell County, KS | 28.29 |
| 135 | Phillips County, CO | 28.22 |
| 136 | Kaufman County, TX | 28.19 |
| 137 | Liberty County, GA | 28.16 |
| 137 | Lincoln County, ID | 28.16 |
| 138 | Cottle County, TX | 28.14 |
| 139 | Hill County, MT | 28.09 |
| 139 | Kingfisher County, OK | 28.09 |
| 140 | Canyon County, ID | 28.08 |
| 141 | Weber County, UT | 28.02 |
| 142 | Neshoba County, MS | 28.00 |
| 143 | Rosebud County, MT | 27.98 |
| 143 | McMullen County, TX | 27.98 |
| 143 | Loudoun County, VA | 27.98 |
| 144 | Wright County, MN | 27.95 |
| 145 | Aurora County, SD | 27.94 |
| 146 | McCook County, SD | 27.93 |
| 147 | Lamb County, TX | 27.92 |
| 148 | Yukon-Koyukuk Census Area, AK | 27.90 |
| 149 | Bailey County, TX | 27.89 |
| 150 | Wyandotte County, KS | 27.86 |
| 150 | Roberts County, SD | 27.86 |
| 151 | Clayton County, GA | 27.85 |
| 152 | Nobles County, MN | 27.82 |
| 153 | Bell County, TX | 27.80 |
| 154 | Lincoln County, SD | 27.79 |
| 155 | Terry County, TX | 27.76 |
| 156 | Yuba County, CA | 27.73 |
| 156 | Nemaha County, KS | 27.73 |
| 157 | Ziebach County, SD | 27.71 |
| 158 | Elkhart County, IN | 27.70 |
| 159 | Beadle County, SD | 27.68 |
| 160 | Hall County, NE | 27.67 |
| 161 | Long County, GA | 27.64 |
| 162 | Madera County, CA | 27.63 |
| 163 | Lynn County, TX | 27.62 |
| 164 | Bear Lake County, ID | 27.52 |
| 164 | Leflore County, MS | 27.52 |
| 165 | North Slope Borough, AK | 27.51 |
| 166 | Dallas County, IA | 27.48 |
| 167 | Twin Falls County, ID | 27.47 |
| 167 | Morrow County, OR | 27.47 |
| 167 | Jim Wells County, TX | 27.47 |
| 168 | Southeast Fairbanks Census Area, AK | 27.46 |
| 168 | Fort Bend County, TX | 27.46 |
| 168 | Potter County, TX | 27.46 |
| 169 | Dawson County, NE | 27.44 |
| 170 | Grant County, KY | 27.43 |
| 171 | Yuma County, CO | 27.42 |
| 172 | Dewey County, OK | 27.40 |
| 173 | Gooding County, ID | 27.38 |
| 173 | Oneida County, ID | 27.38 |
| 173 | Sioux County, IA | 27.38 |
| 173 | Campbell County, WY | 27.38 |
| 174 | Greenlee County, AZ | 27.37 |
| 174 | Sarpy County, NE | 27.37 |