US counties starting with R
112 counties and county-equivalents, which is 4% of the 3,144 in the United States. They are spread across 33 states. Sort any column, or select a county for its map and full data.
Every county beginning with R
| Name | State | Population | Land area | Density | Median income | Seat | FIPS |
|---|---|---|---|---|---|---|---|
| Rabun County | Georgia | 17,764 | 370.1 sq mi | 48.0 per sq mi | $67,493 | Clayton | 13241 |
| Racine County | Wisconsin | 198,919 | 332.6 sq mi | 598 per sq mi | $78,096 | Racine | 55101 |
| Radford city | Virginia | 17,243 | 9.7 sq mi | 1,782 per sq mi | $57,348 | Radford city | 51750 |
| Rains County | Texas | 13,542 | 229.5 sq mi | 59.0 per sq mi | $65,413 | Emory | 48379 |
| Raleigh County | West Virginia | 71,775 | 605 sq mi | 119 per sq mi | $52,150 | Beckley | 54081 |
| Ralls County | Missouri | 10,444 | 469.8 sq mi | 22.2 per sq mi | $65,388 | New London | 29173 |
| Ramsey County | Minnesota | 541,623 | 152.3 sq mi | 3,557 per sq mi | $81,568 | Saint Paul | 27123 |
| Ramsey County | North Dakota | 11,530 | 1,185 sq mi | 9.7 per sq mi | $61,006 | Devils Lake | 38071 |
| Randall County | Texas | 152,351 | 912.7 sq mi | 167 per sq mi | $83,864 | Canyon | 48381 |
| Randolph County | Alabama | 23,163 | 580.6 sq mi | 39.9 per sq mi | $52,338 | Wedowee | 01111 |
| Randolph County | Arkansas | 18,876 | 651.9 sq mi | 29.0 per sq mi | $50,911 | Pocahontas | 05121 |
| Randolph County | Georgia | 6,156 | 428.2 sq mi | 14.4 per sq mi | $28,380 | Cuthbert | 13243 |
| Randolph County | Illinois | 29,921 | 575.4 sq mi | 52.0 per sq mi | $68,131 | Chester | 17157 |
| Randolph County | Indiana | 24,438 | 452.4 sq mi | 54.0 per sq mi | $60,791 | Winchester | 18135 |
| Randolph County | Missouri | 24,513 | 482.7 sq mi | 50.8 per sq mi | $53,033 | Huntsville | 29175 |
| Randolph County | North Carolina | 149,516 | 782.3 sq mi | 191 per sq mi | $61,022 | Asheboro | 37151 |
| Randolph County | West Virginia | 26,882 | 1,040 sq mi | 25.9 per sq mi | $52,757 | Elkins | 54083 |
| Rankin County | Mississippi | 162,181 | 775.5 sq mi | 209 per sq mi | $79,357 | Brandon | 28121 |
| Ransom County | North Dakota | 5,617 | 862.5 sq mi | 6.5 per sq mi | $75,736 | Lisbon | 38073 |
| Rapides Parish | Louisiana | 125,877 | 1,324 sq mi | 95.1 per sq mi | $54,967 | Alexandria | 22079 |
| Rappahannock County | Virginia | 7,439 | 266.4 sq mi | 27.9 per sq mi | $83,380 | Washington | 51157 |
| Ravalli County | Montana | 48,582 | 2,391 sq mi | 20.3 per sq mi | $71,283 | Hamilton | 30081 |
| Rawlins County | Kansas | 2,431 | 1,069 sq mi | 2.3 per sq mi | $67,742 | Atwood | 20153 |
| Ray County | Missouri | 23,398 | 569 sq mi | 41.1 per sq mi | $74,573 | Richmond | 29177 |
| Reagan County | Texas | 3,166 | 1,175 sq mi | 2.7 per sq mi | $57,813 | Big Lake | 48383 |
| Real County | Texas | 2,745 | 699.2 sq mi | 3.9 per sq mi | $39,605 | Leakey | 48385 |
| Red Lake County | Minnesota | 3,940 | 432.4 sq mi | 9.1 per sq mi | $77,188 | Red Lake Falls | 27125 |
| Red River Parish | Louisiana | 7,165 | 389 sq mi | 18.4 per sq mi | $49,167 | Coushatta | 22081 |
| Red River County | Texas | 11,816 | 1,044 sq mi | 11.3 per sq mi | $48,491 | Clarksville | 48387 |
| Red Willow County | Nebraska | 10,307 | 717.2 sq mi | 14.4 per sq mi | $63,697 | McCook | 31145 |
| Redwood County | Minnesota | 15,265 | 878.6 sq mi | 17.4 per sq mi | $67,866 | Redwood Falls | 27127 |
| Reeves County | Texas | 12,138 | 2,635 sq mi | 4.6 per sq mi | $64,297 | Pecos | 48389 |
| Refugio County | Texas | 6,657 | 770.5 sq mi | 8.6 per sq mi | $60,181 | Refugio | 48391 |
| Reno County | Kansas | 61,539 | 1,255 sq mi | 49.0 per sq mi | $60,645 | Hutchinson | 20155 |
| Rensselaer County | New York | 160,510 | 652.5 sq mi | 246 per sq mi | $87,915 | Troy | 36083 |
| Renville County | Minnesota | 14,356 | 982.9 sq mi | 14.6 per sq mi | $70,625 | Olivia | 27129 |
| Renville County | North Dakota | 2,331 | 877.2 sq mi | 2.7 per sq mi | $74,301 | Mohall | 38075 |
| Republic County | Kansas | 4,640 | 717.4 sq mi | 6.5 per sq mi | $56,833 | Belleville | 20157 |
| Reynolds County | Missouri | 5,992 | 808.5 sq mi | 7.4 per sq mi | $45,028 | Centerville | 29179 |
| Rhea County | Tennessee | 34,844 | 315.5 sq mi | 110 per sq mi | $55,033 | Dayton | 47143 |
| Rice County | Kansas | 9,266 | 726.2 sq mi | 12.8 per sq mi | $63,925 | Lyons | 20159 |
| Rice County | Minnesota | 69,939 | 495.8 sq mi | 141 per sq mi | $83,181 | Faribault | 27131 |
| Rich County | Utah | 2,687 | 1,029 sq mi | 2.6 per sq mi | $79,009 | Randolph | 49033 |
| Richardson County | Nebraska | 7,530 | 551.8 sq mi | 13.6 per sq mi | $60,108 | Falls City | 31147 |
| Richland County | Illinois | 15,219 | 360 sq mi | 42.3 per sq mi | $62,455 | Olney | 17159 |
| Richland Parish | Louisiana | 19,582 | 555.6 sq mi | 35.2 per sq mi | $53,544 | Rayville | 22083 |
| Richland County | Montana | 11,377 | 2,085 sq mi | 5.5 per sq mi | $73,084 | Sidney | 30083 |
| Richland County | North Dakota | 16,731 | 1,436 sq mi | 11.7 per sq mi | $75,432 | Wahpeton | 38077 |
| Richland County | Ohio | 124,893 | 495.2 sq mi | 252 per sq mi | $59,509 | Mansfield | 39139 |
| Richland County | South Carolina | 434,956 | 757.3 sq mi | 574 per sq mi | $63,784 | Columbia | 45079 |
| Richland County | Wisconsin | 17,036 | 586.2 sq mi | 29.1 per sq mi | $66,420 | Richland Center | 55103 |
| Richmond County | Georgia | 206,559 | 324.4 sq mi | 637 per sq mi | $55,637 | Augusta | 13245 |
| Richmond County | New York | 501,290 | 57.5 sq mi | 8,715 per sq mi | $98,333 | Richmond | 36085 |
| Richmond County | North Carolina | 42,041 | 473.7 sq mi | 88.8 per sq mi | $44,883 | Rockingham | 37153 |
| Richmond County | Virginia | 9,294 | 191.5 sq mi | 48.5 per sq mi | $66,304 | Warsaw | 51159 |
| Richmond city | Virginia | 237,257 | 59.9 sq mi | 3,959 per sq mi | $64,587 | Richmond city | 51760 |
| Riley County | Kansas | 72,598 | 609.7 sq mi | 119 per sq mi | $61,098 | Manhattan | 20161 |
| Ringgold County | Iowa | 4,642 | 535.5 sq mi | 8.7 per sq mi | $73,346 | Mount Ayr | 19159 |
| Rio Arriba County | New Mexico | 39,832 | 5,861 sq mi | 6.8 per sq mi | $57,155 | Tierra Amarilla | 35039 |
| Rio Blanco County | Colorado | 6,683 | 3,221 sq mi | 2.1 per sq mi | $65,473 | Meeker | 08103 |
| Rio Grande County | Colorado | 11,087 | 912 sq mi | 12.2 per sq mi | $64,411 | Del Norte | 08105 |
| Ripley County | Indiana | 29,434 | 446.4 sq mi | 65.9 per sq mi | $70,573 | Versailles | 18137 |
| Ripley County | Missouri | 10,717 | 629.5 sq mi | 17.0 per sq mi | $42,037 | Doniphan | 29181 |
| Ritchie County | West Virginia | 8,034 | 452 sq mi | 17.8 per sq mi | $50,582 | Harrisville | 54085 |
| Riverside County | California | 2,544,916 | 7,209 sq mi | 353 per sq mi | $93,074 | Riverside | 06065 |
| Roane County | Tennessee | 57,395 | 360.8 sq mi | 159 per sq mi | $71,885 | Kingston | 47145 |
| Roane County | West Virginia | 13,317 | 483.6 sq mi | 27.5 per sq mi | $45,778 | Spencer | 54087 |
| Roanoke County | Virginia | 97,150 | 250.5 sq mi | 388 per sq mi | $83,709 | Salem | 51161 |
| Roanoke city | Virginia | 99,111 | 42.5 sq mi | 2,331 per sq mi | $55,378 | Roanoke city | 51770 |
| Roberts County | South Dakota | 10,255 | 1,101 sq mi | 9.3 per sq mi | $65,130 | Sisseton | 46109 |
| Roberts County | Texas | 867 | 924.1 sq mi | 0.94 per sq mi | $67,868 | Miami | 48393 |
| Robertson County | Kentucky | 2,325 | 99.6 sq mi | 23.3 per sq mi | $51,830 | Mount Olivet | 21201 |
| Robertson County | Tennessee | 80,175 | 476.3 sq mi | 168 per sq mi | $83,047 | Springfield | 47147 |
| Robertson County | Texas | 17,839 | 855.2 sq mi | 20.9 per sq mi | $72,236 | Franklin | 48395 |
| Robeson County | North Carolina | 119,941 | 947.3 sq mi | 127 per sq mi | $41,978 | Lumberton | 37155 |
| Rock County | Minnesota | 9,524 | 482.5 sq mi | 19.7 per sq mi | $71,295 | Luverne | 27133 |
| Rock County | Nebraska | 1,259 | 1,008 sq mi | 1.3 per sq mi | $58,125 | Bassett | 31149 |
| Rock County | Wisconsin | 166,472 | 718.2 sq mi | 232 per sq mi | $75,673 | Janesville | 55105 |
| Rock Island County | Illinois | 141,869 | 427.5 sq mi | 332 per sq mi | $67,159 | Rock Island | 17161 |
| Rockbridge County | Virginia | 22,663 | 596.5 sq mi | 38.0 per sq mi | $65,469 | Lexington | 51163 |
| Rockcastle County | Kentucky | 16,148 | 316.6 sq mi | 51.0 per sq mi | $48,862 | Mount Vernon | 21203 |
| Rockdale County | Georgia | 98,416 | 129.8 sq mi | 758 per sq mi | $77,247 | Conyers | 13247 |
| Rockingham County | New Hampshire | 324,077 | 695.6 sq mi | 466 per sq mi | $118,331 | Brentwood | 33015 |
| Rockingham County | North Carolina | 94,195 | 565.6 sq mi | 167 per sq mi | $57,053 | Wentworth | 37157 |
| Rockingham County | Virginia | 89,316 | 849.8 sq mi | 105 per sq mi | $80,693 | Harrisonburg | 51165 |
| Rockland County | New York | 357,397 | 173.7 sq mi | 2,058 per sq mi | $109,959 | New City | 36087 |
| Rockwall County | Texas | 140,738 | 127.2 sq mi | 1,106 per sq mi | $127,981 | Rockwall | 48397 |
| Roger Mills County | Oklahoma | 3,259 | 1,141 sq mi | 2.9 per sq mi | $66,094 | Cheyenne | 40129 |
| Rogers County | Oklahoma | 102,197 | 675.7 sq mi | 151 per sq mi | $80,067 | Claremore | 40131 |
| Rolette County | North Dakota | 11,688 | 903 sq mi | 12.9 per sq mi | $59,517 | Rolla | 38079 |
| Rooks County | Kansas | 4,646 | 890.5 sq mi | 5.2 per sq mi | $62,500 | Stockton | 20163 |
| Roosevelt County | Montana | 10,242 | 2,355 sq mi | 4.4 per sq mi | $57,063 | Wolf Point | 30085 |
| Roosevelt County | New Mexico | 18,615 | 2,446 sq mi | 7.6 per sq mi | $52,685 | Portales | 35041 |
| Roscommon County | Michigan | 23,914 | 519.9 sq mi | 46.0 per sq mi | $55,246 | Roscommon | 26143 |
| Roseau County | Minnesota | 15,246 | 1,672 sq mi | 9.1 per sq mi | $74,474 | Roseau | 27135 |
| Rosebud County | Montana | 8,253 | 5,008 sq mi | 1.7 per sq mi | $49,914 | Forsyth | 30087 |
| Ross County | Ohio | 76,429 | 689.2 sq mi | 111 per sq mi | $61,303 | Chillicothe | 39141 |
| Routt County | Colorado | 25,329 | 2,362 sq mi | 10.7 per sq mi | $106,489 | Steamboat Springs | 08107 |
| Rowan County | Kentucky | 24,476 | 279.9 sq mi | 87.5 per sq mi | $54,321 | Morehead | 21205 |
| Rowan County | North Carolina | 155,096 | 511.6 sq mi | 303 per sq mi | $65,725 | Salisbury | 37159 |
| Runnels County | Texas | 9,693 | 1,051 sq mi | 9.2 per sq mi | $62,632 | Ballinger | 48399 |
| Rush County | Indiana | 16,767 | 408.1 sq mi | 41.1 per sq mi | $66,473 | Rushville | 18139 |
| Rush County | Kansas | 2,845 | 717.8 sq mi | 4.0 per sq mi | $59,970 | La Crosse | 20165 |
| Rusk County | Texas | 54,854 | 924.2 sq mi | 59.4 per sq mi | $68,658 | Henderson | 48401 |
| Rusk County | Wisconsin | 14,146 | 913.5 sq mi | 15.5 per sq mi | $59,944 | Ladysmith | 55107 |
| Russell County | Alabama | 58,898 | 641.2 sq mi | 91.9 per sq mi | $51,197 | Phenix City | 01113 |
| Russell County | Kansas | 6,581 | 886.3 sq mi | 7.4 per sq mi | $62,392 | Russell | 20167 |
| Russell County | Kentucky | 18,608 | 253.3 sq mi | 73.5 per sq mi | $44,738 | Jamestown | 21207 |
| Russell County | Virginia | 25,332 | 473.5 sq mi | 53.5 per sq mi | $50,012 | Lebanon | 51167 |
| Rutherford County | North Carolina | 65,745 | 565.4 sq mi | 116 per sq mi | $51,410 | Rutherfordton | 37161 |
| Rutherford County | Tennessee | 386,352 | 619.5 sq mi | 624 per sq mi | $85,470 | Murfreesboro | 47149 |
| Rutland County | Vermont | 59,653 | 930.6 sq mi | 64.1 per sq mi | $68,616 | Rutland | 50021 |
Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Retrieved 30 August 2026.