| County Name | State | Hispanic Concentration |
|---|---|---|
| Starr | TX | 98.10 |
| Maverick | TX | 95.33 |
| Webb | TX | 94.40 |
| Brooks | TX | 92.00 |
| Zavala | TX | 91.39 |
| Jim Hogg | TX | 90.63 |
| Hidalgo | TX | 88.42 |
| Duval | TX | 88.16 |
| Willacy | TX | 86.11 |
| Kenedy | TX | 85.99 |
| Dimmit | TX | 85.31 |
| Zapata | TX | 84.94 |
| Presidio | TX | 84.76 |
| Cameron | TX | 84.47 |
| Mora | NM | 81.78 |
| Guadalupe | NM | 81.03 |
| Santa Cruz | AZ | 80.88 |
| El Paso | TX | 78.27 |
| San Miguel | NM | 77.90 |
| La Salle | TX | 77.29 |
| Jim Wells | TX | 75.92 |
| Val Verde | TX | 75.75 |
| Hudspeth | TX | 75.45 |
| Frio | TX | 73.92 |
| Reeves | TX | 73.59 |
| Rio Arriba | NM | 72.98 |
| Imperial | CA | 72.41 |
| Culberson | TX | 72.34 |
| Costilla | CO | 67.40 |
| Uvalde | TX | 66.12 |
| Kleberg | TX | 65.56 |
| Dona Ana | NM | 63.43 |
| Pecos | TX | 61.09 |
| Conejos | CO | 59.11 |
| Atascosa | TX | 58.70 |
| Taos | NM | 58.00 |
| Luna | NM | 57.88 |
| Deaf Smith | TX | 57.71 |
| Miami-Dade | FL | 57.32 |
| Hidalgo | NM | 56.25 |
| Nueces | TX | 55.71 |
| Crockett | TX | 55.09 |
| Valencia | NM | 54.97 |
| Bexar | TX | 54.35 |
| Bee | TX | 53.95 |
| Castro | TX | 51.83 |
| Sutton | TX | 51.73 |
| Terrell | TX | 51.34 |
| Tulare | CA | 50.79 |
| Yuma | AZ | 50.51 |
| Kinney | TX | 50.10 |
| Parmer | TX | 49.83 |
| Reagan | TX | 49.67 |
| San Patricio | TX | 49.40 |
| Santa Fe | NM | 49.08 |
| Grant | NM | 48.88 |
| Crosby | TX | 48.84 |
| Socorro | NM | 48.58 |
| Bronx | NY | 48.42 |
| Dawson | TX | 48.09 |
| San Benito | CA | 48.05 |
| Hale | TX | 47.99 |
| Bailey | TX | 47.73 |
| Karnes | TX | 47.71 |
| Colfax | NM | 47.52 |
| Moore | TX | 47.39 |
| Adams | WA | 47.20 |
| Colusa | CA | 46.96 |
| Franklin | WA | 46.92 |
| Monterey | CA | 46.89 |
| Floyd | TX | 46.03 |
| Yoakum | TX | 45.92 |
| Harding | NM | 45.68 |
| Edwards | TX | 45.61 |
| Saguache | CO | 45.58 |
| Medina | TX | 45.49 |
| Merced | CA | 45.41 |
| Cochran | TX | 45.04 |
| Refugio | TX | 44.69 |
| Los Angeles | CA | 44.58 |
| Lynn | TX | 44.32 |
| Madera | CA | 44.26 |
| Crane | TX | 44.09 |
| Fresno | CA | 44.06 |
| Winkler | TX | 44.03 |
| Chaves | NM | 44.01 |
| Terry | TX | 43.99 |
| Brewster | TX | 43.72 |
| Lamb | TX | 43.71 |
| Kings | CA | 43.63 |
| Schleicher | TX | 43.61 |
| Finney | KS | 43.32 |
| Greenlee | AZ | 43.31 |
| Upton | TX | 42.45 |
| Ward | TX | 42.41 |
| Ector | TX | 42.39 |
| Seward | KS | 42.28 |
| Bernalillo | NM | 41.95 |
| Rio Grande | CO | 41.75 |
| Las Animas | CO | 41.74 |
| Concho | TX | 41.65 |
| Alamosa | CO | 41.57 |
| Martin | TX | 41.49 |
| Calhoun | TX | 40.71 |
| Caldwell | TX | 40.60 |
| Andrews | TX | 40.11 |
| Gonzales | TX | 39.88 |
| Hudson | NJ | 39.78 |
| Lea | NM | 39.58 |
| Hendry | FL | 39.38 |
| Victoria | TX | 39.22 |
| San Bernardino | CA | 39.19 |
| Eddy | NM | 38.97 |
| Kern | CA | 38.40 |
| Pueblo | CO | 38.03 |
| Quay | NM | 38.02 |
| Live Oak | TX | 37.95 |
| Otero | CO | 37.91 |
| Ford | KS | 37.74 |
| Howard | TX | 37.56 |
| Hockley | TX | 37.21 |
| Garza | TX | 37.15 |
| Torrance | NM | 37.15 |
| Wilson | TX | 36.48 |
| Lake | CO | 36.26 |
| Riverside | CA | 36.19 |
| Hardee | FL | 36.02 |
| Yakima | WA | 35.92 |
| Gaines | TX | 35.79 |
| Clark | ID | 35.62 |
| Jeff Davis | TX | 35.48 |
| Swisher | TX | 35.37 |
| Huerfano | CO | 35.28 |
| Goliad | TX | 35.13 |
| Grant | KS | 34.90 |
| Union | NM | 34.81 |
| De Baca | NM | 34.60 |
| McMullen | TX | 34.43 |
| Santa Barbara | CA | 34.24 |
| Roosevelt | NM | 33.62 |
| Ventura | CA | 33.45 |
| Prowers | CO | 33.16 |
| Guadalupe | TX | 33.16 |
| Cibola | NM | 32.98 |
| Harris | TX | 32.95 |
| Menard | TX | 32.63 |
| Otero | NM | 32.07 |
| Hansford | TX | 31.83 |
| Stanislaus | CA | 31.75 |
| Denver | CO | 31.74 |
| Ochiltree | TX | 31.69 |
| Mitchell | TX | 31.33 |
| Morgan | CO | 31.32 |
| Matagorda | TX | 31.30 |
| Sterling | TX | 31.30 |
| Wharton | TX | 31.23 |
| Orange | CA | 30.79 |
| Cochise | AZ | 30.74 |
| Tom Green | TX | 30.65 |
| San Joaquin | CA | 30.52 |
| Curry | NM | 30.38 |
| Grant | WA | 30.18 |
| Bent | CO | 30.16 |
| Passaic | NJ | 29.99 |
| Pinal | AZ | 29.92 |
| Dallas | TX | 29.89 |
| Glasscock | TX | 29.87 |
| Texas | OK | 29.70 |
| Hays | TX | 29.45 |
| Glenn | CA | 29.43 |
| Osceola | FL | 29.42 |
| Runnels | TX | 29.40 |
| Sandoval | NM | 29.39 |
| Pima | AZ | 29.38 |
| Midland | TX | 28.93 |
| Dallam | TX | 28.48 |
| Titus | TX | 28.40 |
| Travis | TX | 28.21 |
| Adams | CO | 28.18 |
| Potter | TX | 28.18 |
| Sherman | TX | 27.97 |
| Nolan | TX | 27.90 |
| Scurry | TX | 27.82 |
| Hall | TX | 27.55 |
| Lubbock | TX | 27.44 |
| DeWitt | TX | 27.31 |
| New York | NY | 27.19 |
| Weld | CO | 27.03 |
| Graham | AZ | 26.84 |
| Santa Cruz | CA | 26.83 |
| San Diego | CA | 26.69 |
| McCulloch | TX | 26.63 |
| Kearny | KS | 26.57 |
| Colfax | NE | 26.56 |
| Sierra | NM | 26.20 |
| Yolo | CA | 25.94 |
| Minidoka | ID | 25.76 |
| Malheur | OR | 25.65 |
| Lincoln | NM | 25.65 |
| Knox | TX | 25.53 |
| Hood River | OR | 25.12 |
| Dawson | NE | 25.09 |
| DeSoto | FL | 25.08 |
| Jackson | TX | 25.07 |
| Queens | NY | 24.96 |
| Maricopa | AZ | 24.85 |
| Irion | TX | 24.68 |
| Morrow | OR | 24.42 |
| Santa Clara | CA | 24.01 |
| Bastrop | TX | 23.99 |
| Haskell | KS | 23.80 |
| Kane | IL | 23.75 |
| Napa | CA | 23.61 |
| Stanton | KS | 23.40 |
| Dickens | TX | 23.39 |
| Eagle | CO | 23.32 |
| Owyhee | ID | 22.99 |
| Brazoria | TX | 22.76 |
| Briscoe | TX | 22.74 |
| Comal | TX | 22.60 |
| Crowley | CO | 22.60 |
| Dakota | NE | 22.58 |
| La Paz | AZ | 22.45 |
| Sutter | CA | 22.17 |
| Harmon | OK | 22.11 |
| Stevens | KS | 22.00 |
| Whitfield | GA | 21.96 |
| Clark | NV | 21.94 |
| San Mateo | CA | 21.83 |
| Fisher | TX | 21.71 |
| San Saba | TX | 21.66 |
| Real | TX | 21.63 |
| Power | ID | 21.32 |
| Mason | TX | 21.21 |
| Fort Bend | TX | 21.10 |
| Jones | TX | 21.10 |
| Hamilton | KS | 21.09 |
| Comanche | TX | 21.06 |
| Kimble | TX | 20.97 |
| Haskell | TX | 20.61 |
| Collingsworth | TX | 20.59 |
| Echols | GA | 20.48 |
| Wilbarger | TX | 20.46 |
| Aransas | TX | 20.42 |
| Childress | TX | 20.32 |
| Cook | IL | 19.92 |
| Douglas | WA | 19.91 |
| Kings | NY | 19.80 |
| Colorado | TX | 19.76 |
| Tarrant | TX | 19.73 |
| Elko | NV | 19.69 |
| Union | NJ | 19.68 |
| Hall | GA | 19.61 |
| Collier | FL | 19.59 |
| Waller | TX | 19.43 |
| Pershing | NV | 19.36 |
| Chelan | WA | 19.36 |
| Sevier | AR | 19.29 |
| Lipscomb | TX | 19.20 |
| Kerr | TX | 19.16 |
| Humboldt | NV | 19.03 |
| Milam | TX | 18.98 |
| Alameda | CA | 18.97 |
| Cumberland | NJ | 18.92 |
| Cottle | TX | 18.91 |
| Catron | NM | 18.85 |
| Orange | FL | 18.76 |
| Lander | NV | 18.74 |
| Okeechobee | FL | 18.73 |
| Cassia | ID | 18.71 |
| Canyon | ID | 18.64 |
| Arlington | VA | 18.59 |
| Wichita | KS | 18.57 |
| Lee | TX | 18.27 |
| Ellis | TX | 18.24 |
| Borden | TX | 18.24 |
| Galveston | TX | 18.05 |
| Hillsborough | FL | 17.98 |
| McLennan | TX | 17.93 |
| Loving | TX | 17.91 |
| Brazos | TX | 17.86 |
| Kendall | TX | 17.73 |
| Contra Costa | CA | 17.71 |
| Solano | CA | 17.64 |
| Jefferson | OR | 17.63 |
| Taylor | TX | 17.54 |
| Mono | CA | 17.49 |
| Atkinson | GA | 17.40 |
| Sonoma | CA | 17.36 |
| Tillman | OK | 17.34 |
| Jerome | ID | 17.22 |
| Scotts Bluff | NE | 17.22 |
| Yuba | CA | 17.22 |
| Williamson | TX | 17.21 |
| Marion | OR | 17.20 |
| Gooding | ID | 17.11 |
| Coke | TX | 16.95 |
| Lyon | KS | 16.89 |
| Garfield | CO | 16.84 |
| Broward | FL | 16.73 |
| Bell | TX | 16.68 |
| Archuleta | CO | 16.64 |
| Washoe | NV | 16.59 |
| Gila | AZ | 16.46 |
| San Luis Obispo | CA | 16.26 |
| Grimes | TX | 16.25 |
| Mendocino | CA | 16.23 |
| Foard | TX | 16.21 |
| Umatilla | OR | 16.15 |
| Austin | TX | 16.06 |
| Gillespie | TX | 15.99 |
| Sacramento | CA | 15.99 |
| Wyandotte | KS | 15.95 |
| Navarro | TX | 15.89 |
| Falls | TX | 15.87 |
| Cimarron | OK | 15.85 |
| Tehama | CA | 15.84 |
| Walla Walla | WA | 15.80 |
| Madison | TX | 15.80 |
| Monroe | FL | 15.71 |
| Westchester | NY | 15.65 |
| Jackson | OK | 15.56 |
| Suffolk | MA | 15.56 |
| Essex | NJ | 15.47 |
| Blanco | TX | 15.29 |
| Brown | TX | 15.22 |
| Manassas City | VA | 15.21 |
| Manassas Park City | VA | 15.21 |
| Hampden | MA | 15.13 |
| Hemphill | TX | 15.10 |
| Hardeman | TX | 15.09 |
| Lampasas | TX | 15.05 |
| Watonwan | MN | 15.03 |
| Glades | FL | 15.02 |
| Erath | TX | 14.98 |
| Montrose | CO | 14.95 |
| San Juan | NM | 14.92 |
| Duplin | NC | 14.92 |
| Burnet | TX | 14.76 |
| Burleson | TX | 14.64 |
| Alexandria City | VA | 14.61 |
| Robertson | TX | 14.56 |
| Okanogan | WA | 14.54 |
| Hutchinson | TX | 14.47 |
| Camp | TX | 14.45 |
| Lake | IL | 14.44 |
| Carson City | NV | 14.22 |
| Stephens | TX | 14.17 |
| Morton | KS | 14.16 |
| San Francisco | CA | 14.11 |
| Angelina | TX | 14.08 |
| Walker | TX | 14.02 |
| Hall | NE | 13.95 |
| Carbon | WY | 13.91 |
| Hartley | TX | 13.78 |
| Washington | ID | 13.72 |
| Middlesex | NJ | 13.61 |
| Lincoln | ID | 13.60 |
| Somervell | TX | 13.56 |
| Motley | TX | 13.53 |
| Fairfax City | VA | 13.52 |
| Kit Carson | CO | 13.48 |
| Del Norte | CA | 13.48 |
| Lassen | CA | 13.47 |
| Bandera | TX | 13.45 |
| Hill | TX | 13.44 |
| Coleman | TX | 13.43 |
| Providence | RI | 13.35 |
| Cherokee | TX | 13.25 |
| Palo Pinto | TX | 13.22 |
| Bingham | ID | 13.16 |
| Gray | TX | 12.98 |
| Limestone | TX | 12.98 |
| Yell | AR | 12.87 |
| Oldham | TX | 12.81 |
| Weber | UT | 12.71 |
| Louisa | IA | 12.66 |
| Fayette | TX | 12.65 |
| Benton | WA | 12.65 |
| Boone | IL | 12.65 |
| Yuma | CO | 12.63 |
| Montgomery | TX | 12.62 |
| Coryell | TX | 12.53 |
| Inyo | CA | 12.52 |
| Buena Vista | IA | 12.52 |
| Source: Bureau of the Census 2000 | ||