1910 Census microfilms at Internet Archive

reel 390. Adair, Adams, Allamakee, Appanoose (EDs 12-21, 28, 29) Counties
reel 391. Appanoose(EDs 22-27, 30, 31), Audubon, Benton Counties
reel 392. Black Hawk, Boone (EDs 1-15, 23, 236) Counties
reel 393. Boone (EDs 16-22), Hancock, Bremer, Buchanan Counties
reel 394. Buena Vista, Butler, Calhoun Counties
reel 395. Carroll, Cass, Cedar Counties
reel 396. Cerro Gordo, Cherokee, Chickasaw, Dickinson Counties
reel 397. Clarke, Clay, Clayton Counties
reel 398. Clinton County.
reel 399. Crawford, Dallas, Davis, Emmet Counties
reel 400. Decatur, Delaware, Des Moines (EDs 1, 2, 14-27) Counties --
reel 401. Des Moines (EDs 3-13), Dubuque (EDs 106-125, 138-148) Counties
reel 402. Dubuque (EDs 126-137), Fayette, Floyd Counties
reel 403. Franklin, Fremont, Grundy, Greene Counties
reel 404. Guthrie, Hamilton, Hardin Counties
reel 405. Harrison, Henry Counties
reel 406. Howard, Humboldt, Ida, Lyon Counties
reel 407. Iowa, Jackson, Jasper (EDs 17-36) Counties
reel 408. Jasper (EDs 37-41), Jefferson, Johnson Counties
reel 409. Jones, Keokuk, Kossuth Counties
reel 410. Lee, Linn (EDs 75-90, 95-97, 121, 122) Counties
reel 411. Linn (EDs 91-94, 98-120, 171, 172, 176), Louisa, Lucas Counties