About Oregon Map
Explore the map of Oregon state of United States showing state boundary, interstate highways, US highways, rivers, railroads, state capital, airports, cities, forests, national parks, beaches, and waterbodies.
List of Counties in Oregon
| County | FIPS Code | County Seat | Established in | Population | Area (sq mi) | Area (km2) |
| Baker County | 1 | Baker City | 1862 | 16,510 | 3,068 | 7,946 |
| Benton County | 3 | Corvallis | 1847 | 91,320 | 676 | 1,751 |
| Clackamas County | 5 | Oregon City | 1843 | 404,980 | 1,868 | 4,838 |
| Clatsop County | 7 | Astoria | 1844 | 38,225 | 827 | 2,142 |
| Columbia County | 9 | Saint Helens | 1854 | 50,795 | 657 | 1,702 |
| Coos County | 11 | Coquille | 1853 | 63,190 | 1,600 | 4,144 |
| Crook County | 13 | Prineville | 1882 | 21,580 | 2,980 | 7,718 |
| Curry County | 15 | Gold Beach | 1855 | 22,600 | 1,627 | 4,214 |
| Deschutes County | 17 | Bend | 1916 | 176,635 | 3,018 | 7,817 |
| Douglas County | 19 | Roseburg | 1852 | 110,395 | 5,037 | 13,046 |
| Gilliam County | 21 | Condon | 1885 | 1,980 | 1,204 | 3,118 |
| Grant County | 23 | Canyon City | 1864 | 7,410 | 4,529 | 11,730 |
| Harney County | 25 | Burns | 1889 | 7,320 | 10,135 | 26,250 |
| Hood River County | 27 | Hood River | 1908 | 24,735 | 522 | 1,352 |
| Jackson County | 29 | Medford | 1852 | 213,765 | 2,785 | 7,213 |
| Jefferson County | 31 | Madras | 1914 | 22,790 | 1,781 | 4,613 |
| Josephine County | 33 | Grants Pass | 1856 | 84,675 | 1,640 | 4,248 |
| Klamath County | 35 | Klamath Falls | 1882 | 67,410 | 5,945 | 15,397 |
| Lake County | 37 | Lakeview | 1874 | 8,015 | 7,940 | 20,565 |
| Lane County | 39 | Eugene | 1851 | 365,940 | 4,554 | 11,795 |
| Lincoln County | 41 | Newport | 1893 | 47,735 | 980 | 2,538 |
| Linn County | 43 | Albany | 1847 | 122,315 | 2,291 | 5,934 |
| Malheur County | 45 | Vale | 1887 | 31,705 | 9,888 | 25,610 |
| Marion County | 47 | Salem | 1843 | 333,950 | 1,185 | 3,069 |
| Morrow County | 49 | Heppner | 1885 | 11,745 | 2,033 | 5,265 |
| Multnomah County | 51 | Portland | 1854 | 790,670 | 435 | 1,127 |
| Polk County | 53 | Dallas | 1845 | 79,730 | 741 | 1,919 |
| Sherman County | 55 | Moro | 1889 | 1,795 | 823 | 2,132 |
| Tillamook County | 57 | Tillamook | 1853 | 25,920 | 1,102 | 2,854 |
| Umatilla County | 59 | Pendleton | 1862 | 79,880 | 3,215 | 8,327 |
| Union County | 61 | La Grande | 1864 | 26,745 | 2,037 | 5,276 |
| Wallowa County | 63 | Enterprise | 1887 | 7,140 | 3,145 | 8,146 |
| Wasco County | 65 | The Dalles | 1854 | 26,700 | 2,381 | 6,167 |
| Washington County | 67 | Hillsboro | 1843 | 583,595 | 724 | 1,875 |
| Wheeler County | 69 | Fossil | 1899 | 1,465 | 1,715 | 4,442 |
| Yamhill County | 71 | McMinnville | 1843 | 104,990 | 716 | 1,854 |