| County | Office | Series | Date Span |
|---|---|---|---|
| Pottawattamie | Auditor | Census Records | 1880-1880 |
| Pottawattamie | Auditor | Persons Subject to Military Duty | 1871-1909 |
| Pottawattamie | Auditor | Real Estate Transfers-Land | 1866-1966 |
| Pottawattamie | Auditor | Real Estate Transfers-Town Lot | 1866-1972 |
| Pottawattamie | Auditor | Tax Sale Register-Land | 1876-1891 |
| Pottawattamie | Auditor | Tax Sale Register-Town Lot | 1858-1892 |
| Pottawattamie | Clerk | Naturalizations-Declaration of Intent | 1907-1929 |
| Pottawattamie | Clerk | Naturalizations-First Papers | 1885-1906 |
| Pottawattamie | Clerk | Naturalizations-Petition & Record | 1907-1929 |
| Pottawattamie | Clerk | Naturalizations-Second Papers | 1885-1905 |
| Pottawattamie | Clerk | Probate-Appraisements | 1906-1935 |
| Pottawattamie | Clerk | Probate-Bonds on Sale of Real Estate | 1906-1914 |
| Pottawattamie | Clerk | Probate-Bonds, Oaths & Letters-Adm, Exec, Gdn | 1889-1930 |
| Pottawattamie | Clerk | Probate-Bonds-Adm, Gdn | 1876-1929 |
| Pottawattamie | Clerk | Probate-Calendar | 1857-1949 |
| Pottawattamie | Clerk | Probate-Complete Probate Record | 1869-1883 |
| Pottawattamie | Clerk | Probate-Deed Record | 1906-1927 |
| Pottawattamie | Clerk | Probate-General Index | 1855-1969 |
| Pottawattamie | Clerk | Probate-Letters & Appointments | 1906-1925 |
| Pottawattamie | Clerk | Probate-Record | 1866-1925 |
| Pottawattamie | Clerk | Probate-Record of Heirs | 1914-1927 |
| Pottawattamie | Clerk | Probate-Sale-Land/Town Lot | 1877-1891 |
| Pottawattamie | Clerk | Probate-Wills | 1852-1926 |
| Pottawattamie | Clerk | Widows & Dependent Children | 1916-1924 |
| Pottawattamie | Private | Church & Family Records | 1880s-1900s |
| Pottawattamie | Recorder | Articles of Incorporation | 1880-1906 |
| Pottawattamie | Recorder | Deeds-Land-Index | 1853-1904 |
| Pottawattamie | Recorder | Deeds-Land-Record | 1849-1899 |
| Pottawattamie | Recorder | Deeds-Town Lot-Index | 1897-1901 |
| Pottawattamie | Recorder | Deeds-Town Lot-Record | 1849-1901 |
| Pottawattamie | Recorder | Maps/Plats-Plat Book | early |
| Pottawattamie | Recorder | Original Entries, abstract | 1853-1858 |
| Pottawattamie | Recorder | Vital Stats-Births-Record (Avoca) | 1880-1904; 1906-1921 |
| Pottawattamie | Recorder | Vital Stats-Births-Record (Co Bluffs) | 1880-1904; 1906-1921 |
| Pottawattamie | Recorder | Vital Stats-Deaths-Record (Avoca) | 1880-1904; 1906-1919 |
| Pottawattamie | Recorder | Vital Stats-Deaths-Record (Co Bluffs) | 1880-1904; 1906-1919 |
| Pottawattamie | Recorder | Vital Stats-Marriages-Record | 1848-1928 |