​Inventory for each county is arranged alphabetically by series title. Each series description includes a title and description of how records are used (function); types of records included in each category (physical content); type of information foun​d (informational content); significant changes to format, creator, or content; inventory cut-off dates; and any access restrictions.

Record descriptions are arranged according to building location such as the State Archives or county offices; and then specific storage office or vault in the building. Location information is based on the date of the inventory and is subject to change.

Select a county or use the clickable map below.

Baker | Benton​ | Clackamas | Clat​sop​ ​| Columbia​ | Coos​ | Crook​​ | Curry​ | Deschutes​ | Douglas​ | Gilliam​ ​| Grant​ | Harney​ | Hood River​ | Jackson​ | Jefferson​​ | Josephine​ | Klamath​ | Lake​ | Lane​​​ | Lincoln​ | Linn​ | Malheur​ | Marion​ | Morrow​​ | Multnomah ​| Polk​ | Sherman​ | Tillamook​​ | Umatilla​ | Union​ | Wallowa​ | Wasco​ | Washington​ | Wheeler ​| Yamhill​​

Records are listed alphabetically by the exact title printed on the volume cover or on the box label, if the records are stored in records containers. Where this information is inaccurate, illegible, or missing we provided suitable titles within brackets [ ].

The records title is followed by file, case, or volume numbers and dates. The size or amount is listed last in parentheses.

Records stored in boxes or file cabinets are measured in cubic feet; books or volumes and reels of microfilm are counted; sheets of microfiche are measured in linear inches or feet; maps, drawings and photographs may be counted or measured in cubic feet.