| All counties | | Iowa State Atlas (1875) |
| Allamakee | | Family Maps of Allamakee County, Iowa |
| Benton | | Family Maps of Benton County, Iowa |
| Black Hawk | | Family Maps of Black Hawk County, Iowa |
| Cedar | | Family Maps of Cedar County, Iowa |
| Clayton | | Family Maps of Clayton County, Iowa |
| Decatur | | Family Maps of Decatur County, Iowa |
| Dubuque | | Family Maps of Dubuque County, Iowa |
| Fayette | | Family Maps of Fayette County, Iowa |
| Henry | | Family Maps of Henry County, Iowa |
| Ida | | Ida County, Iowa (1920) |
| Iowa | | Family Maps of Iowa County, Iowa |
| Jasper | | Family Maps of Jasper County, Iowa |
| Jefferson | | Family Maps of Jefferson County, Iowa |
| Johnson | | Family Maps of Johnson County, Iowa |
| Jones | | Family Maps of Jones County, Iowa |
| Keokuk | | Family Maps of Keokuk County, Iowa |
| Linn | | Family Maps of Linn County, Iowa |
| Madison | | Family Maps of Madison County, Iowa |
| Mahaska | | Family Maps of Mahaska County, Iowa |
| O'Brien | | O'Brien County, Iowa (1911) |
| Page | | Family Maps of Page County, Iowa |
| Poweshiek | | Family Maps of Poweshiek County, Iowa |
| Ringgold | | Family Maps of Ringgold County, Iowa |
| Story | | Family Maps of Story County, Iowa |
| Tama | | Tama County, Iowa (1916) |
| Union | | Union County, Iowa (1916) |
| Union | | Family Maps of Union County, Iowa |
| Warren | | Family Maps of Warren County, Iowa |
| Washington | | Family Maps of Washington County, Iowa |
| Wayne | | Family Maps of Wayne County, Iowa |
| Winneshiek | | Family Maps of Winneshiek County, Iowa |
