AREA AND POPULATION OF IOWA BY COUNTIES.
(Continued.)
| County | Map Index. |
County Seat. | Area in square miles. |
Population. | |
| 1890. | 1900. | ||||
| Jackson | G 2 | Maquoketa | 619 | 22,771 | 23,615 |
| Jasper | D 3 | Newton | 720 | 24,943 | 26,976 |
| Jefferson | E 3 | Fairfield | 432 | 15,184 | 17,437 |
| Johnson | F 3 | Iowa City | 578 | 23,082 | 24,817 |
| Jones | F 2 | Anamosa | 576 | 20,233 | 21,954 |
| Keokuk | E 3 | Sigourney | 576 | 23,862 | 24,979 |
| Kossuth | C 1 | Algona | 984 | 13,120 | 22,720 |
| Lee | F 4 | Fort Madison | 490 | 37,715 | 39,719 |
| Linn | F 2 | Marion | 720 | 45,303 | 55,392 |
| Louisa | F 3 | Wapello | 396 | 11,873 | 13,516 |
| Lucas | D 4 | Charlton | 432 | 14,563 | 16,126 |
| Lyon | A 1 | Rock Rapids | 600 | 8,680 | 13,165 |
| Madison | C 3 | Winterset | 576 | 15,977 | 17,710 |
| Mahaska | E 3 | Oskaloosa | 576 | 28,805 | 34,273 |
| Marion | D 3 | Knoxville | 576 | 23,058 | 24,159 |
| Marshall | D 2 | Marshalltown | 576 | 25,842 | 29,991 |
| Mills | B 3 | Glenwood | 445 | 14,548 | 16,764 |
| Mitchell | E 1 | Osage | 480 | 13,299 | 14,916 |
| Monona | A 2 | Onawa | 482 | 14,515 | 17,980 |
| Monroe | E 4 | Albia | 432 | 13,666 | 17,985 |
| Montgomery | B 4 | Redoak | 432 | 15,848 | 17,803 |
| Muscatine | F 3 | Muscatine | 435 | 24,504 | 28,242 |
| O'Brien | B 1 | Primghar | 576 | 13,060 | 16,985 |
| Osceola | B 1 | Sibley | 408 | 5,574 | 8,725 |
| Page | B 4 | Clarinda | 528 | 21,341 | 24,187 |
| Palo Alto | C 1 | Emmetsburg | 576 | 9,318 | 14,354 |
| Plymouth | A 2 | Lemars | 820 | 19,568 | 22,209 |
| Pocahontas | C 2 | Pocahontas | 576 | 9,553 | 15,339 |
| Polk | D 3 | Des Moines | 576 | 65,410 | 82,624 |
| Pottawattamie | B 3 | Council Bluffs | 876 | 47,430 | 54,336 |
| Poweshiek | E 3 | Montezuma | 576 | 18,394 | 19,414 |
| Ringgold | C 4 | Mountayr | 545 | 13,556 | 15,325 |
| Sac | B 2 | Sac City | 576 | 14,522 | 17,639 |
| Scott | C 3 | Davenport | 447 | 43,164 | 51,558 |
| Shelby | B 3 | Harlan | 576 | 17,611 | 17,932 |
| Sioux | A 1 | Orange City | 768 | 18,370 | 23,337 |
| Story | D 2 | Nevada | 576 | 18,127 | 23,159 |
| Tama | E 2 | Toledo | 720 | 21,651 | 21,585 |
| Taylor | C 4 | Bedford | 549 | 16,384 | 18,784 |
| Union | C 3 | Creston | 432 | 16,900 | 19,928 |
| Van Buren | E 4 | Keosauqua | 502 | 16,253 | 17,354 |
| Wapello | E 3 | Ottumwa | 432 | 30,426 | 35,426 |
| Warren | D 3 | Indianola | 576 | 18,269 | 20,376 |
| Washington | F 3 | Washington | 576 | 18,468 | 20,718 |
| Wayne | D 4 | Corydon | 528 | 15,670 | 17,491 |
| Webster | C 2 | Fort Dodge | 720 | 21,582 | 31,757 |
| Winnebago | D 1 | Forest City | 408 | 7,325 | 12,725 |
| Winneshiek | F 1 | Decorah | 696 | 22,528 | 23,731 |
| Woodbury | A 2 | Sioux City | 864 | 55,632 | 54,610 |
| Worth | D 1 | Northwood | 408 | 9,217 | 10,887 |
| Wright | D 2 | Clarion | 576 | 12,057 | 18,227 |
