AREA AND POPULATION OF WASHINGTON BY COUNTIES.
| County | Map Index. |
County Seat. | Area in square miles. |
Population. | |
| 1890. | 1900. | ||||
| Adams | G 3 | Ritzville | 1,696 | 2,098 | 4,840 |
| Asotin | H 3 | Asotin | 631 | 1,580 | 3,366 |
| Chehalis | A 2 | Montesano | 1,968 | 9,249 | 15,184 |
| Chelan | E 2 | Wenatchee | 3,070 | ..... | 3,931 |
| Clallam | A 1 | Port Angeles | 1,807 | 2,771 | 5,603 |
| Clarke | C 4 | Vancouver | 646 | 11,709 | 13,419 |
| Columbia | H 3 | Dayton | 876 | 6,709 | 7,128 |
| Cowlitz | B 3 | Kalama | 1,145 | 5,917 | 7,877 |
| Douglas | F 3 | Waterville | 4,768 | 3,161 | 4,926 |
| Ferry | G 1 | Republic | 2,313 | ..... | 4,562 |
| Franklin | G 3 | Pasco | 1,251 | 696 | 486 |
| Garfield | H 3 | Pomeroy | 725 | 3,897 | 3,918 |
| Island | C 1 | Coupeville | 238 | 1,787 | 1,870 |
| Jefferson | A 2 | Port Townsend | 1,765 | 8,368 | 5,718 |
| King | D 2 | Seattle | 2,051 | 63,989 | 110,053 |
| Kitsap | C 2 | Port Orchard | 407 | 4,624 | 6,767 |
| Kittitas | E 2 | Ellensburg | 2,414 | 8,777 | 9,704 |
| Klickitat | E 4 | Goldendale | 2,079 | 5,167 | 6,407 |
| Lewis | B 3 | Chehalis | 2,336 | 11,499 | 15,157 |
| Lincoln | G 2 | Davenport | 2,299 | 9,312 | 11,969 |
| Mason | B 2 | Shelton | 993 | 2,826 | 3,810 |
| Okanogan | E 1 | Conconully | 5,318 | 1,467 | 4,689 |
| Pacific | B 3 | Southbend | 925 | 4,358 | 5,983 |
| Pierce | C 2 | Tacoma | 1,554 | 50,940 | 55,515 |
| San Juan | B 1 | Friday Harbour | 187 | 2,072 | 2,928 |
| Skagit | C 1 | Mount Vernon | 1,874 | 8,747 | 14,272 |
| Skamania | C 1 | Stevenson | 1,743 | 774 | 1,688 |
| Snohomish | C 1 | Everett | 1,651 | 8,514 | 23,950 |
| Spokane | H 2 | Spokane | 1,777 | 37,487 | 57,542 |
| Stevens | G 1 | Colville | 3,945 | 4,341 | 10,543 |
| Thurston | B 3 | Olympia | 763 | 9,675 | 9,927 |
| Wahkiakum | B 3 | Cathlamet | 273 | 2,526 | 2,819 |
| Wallawalla | G 3 | Wallawalla | 1,277 | 12,224 | 18,680 |
| Whatcom | D 1 | New Whatcom | 2,226 | 18,591 | 24,116 |
| Whitman | H 2 | Colfax | 2,105 | 19,109 | 25,360 |
| Yakima | D 3 | North Yakima | 5,784 | 4,429 | 13,462 |
