Baker County, Oregon was formed from Wasco County in 1862.
1870 Baker County, Oregon Census
- Free 1870 Census Form for your Research
- Free 1870 Census Images and Index
- Hosted at Ancestry.com – Ancestry Free Trial
- Free 1870 Census Index
- Free 1870 Census Transcriptions
- Hosted at Census Guide
1880 Baker County, Oregon Census
- Free 1880 Census Form for your Research
- Free 1880 Census Transcription
- Hosted at Ancestry.com – Ancestry Free Trial
- Free 1880 Census Transcription
- Auburn Precinct
- Auburn Precinct
- Baker City Precinct
- Outside Baker City
- Outside Baker City
- Burnt River Precinct
- Clarks Creek Precinct
- Clarks Creek Precinct
- Clearyville Precinct
- Conner Creek Precinct
- Eldorado Precinct
- Humboldt Basin Precinct
- North Powder Precinct
- Pleasant Valley Precinct
- Pocahontas Precinct
- Rye Valley Precinct
- Stone Precinct
- Sumpter Precinct
- Quartz Gulch Precinct
- Virtue Mine Precinct
- Wingville Precinct
- Wingville Precinct
- Hosted at Census Guide
1890 Baker County, Oregon Census
- Free 1890 Census Form for your Research
- Hosted at Ancestry.com – Ancestry Free Trial
- Hosted at Census Guide
1900 Baker County, Oregon Census
- Free 1900 Census Form for your Research
- Free 1900 Census Images and Index
- Hosted at Ancestry.com – Ancestry Free Trial
- Free 1900 Census Index (Partial)
- Hosted at Census Guide
1910 Baker County, Oregon Census
- Free 1910 Census Form for your Research
- Hosted at Ancestry.com – Ancestry Free Trial
- Free 1910 Census Index (Partial)
- Hosted at Census Guide
1920 Baker County, Oregon Census
- Free 1920 Census Form for your Research
- Free 1920 Census Images and Index (partial)
- Hosted at Ancestry.com – Ancestry Free Trial
- Free 1920 Census Index (Partial)
- Baker County Enumeration Map
- Alder Precinct
- Audry Precinct
- Baker Precinct #2, Baker City Ward 3
- Baker Precinct #2, part of Baker City Ward 2
- Baker Precinct #3, part of Baker City Ward 4
- Baker Precinct #4, part of Baker City Ward 1
- Baker Precinct #5, excludes Baker City
- Baker Precinct #6, part of Baker City Ward 1
- Baker Precinct #6, excludes Baker City
- South Baker Precinct, excludes Baker City
- Bridgeport Precinct
- Clifford Precinct, includes Whitney Town
- Columbia Precinct, includes Bourne Town
- Connor Creek Precinct
- Copperfield Precinct, includes Copperfield Town
- Cornucopia Precinct
- Depot Precinct, part of Baker City Ward 4
- Depot Precinct, excludes Baker City
- Durkee Precinct
- Eagle Precinct #1, includes Richland Town
Eagle Precinct #2 - Greenhorn Precinct, includes Greenhorn Town
- Haines Precinct, includes Haines Town
- Hereford Precinct
- Huntington Precinct, includes Huntington Town
- Iron Dyke Precinct
- Lookout Precinct
- McEwen Precinct, includes Whitman National Forest (part)
- Pine Precinct #1, includes Halfway Town
- Pine Precinct #2
- Pocahontas Precinct
- Robinette Precinct
- Rock Creek Precinct, includes Whitman National Forest (part)
- Rye Valley Precinct
- Sparta Precinct
- Sumpter Precinct, includes Sumpter City
- Unity Precinct, includes Malheur National Forest (part)
- Virtue Precinct
- Weatherby Precinct
- Wingville Precinct
- Surname Index
- Hosted at Census Guide
1930 Baker County, Oregon Census
- Free 1930 Census Form for your Research
- Hosted at Ancestry.com – Ancestry Free Trial
- Free 1930 Census Index
- Baker County Enumeration Map
- Alder Precinct
- Audrey Precinct
- Baker #1 Ward 1
- Baker #2 Ward 2
- Baker #3 Ward 3
- Baker #4 Ward 4
- Baker #5 Ward 5
- Depot Precinct
- South Baker Precinct
- Baker Country Precinct
- Bed Rock Precinct
- Big Creek Precinct
- Bridgeport Precinct
- Clifford Precinct, includes Whitney Town
- Clifford Precinct
- Sumpter Precinct includes Whitman National Forest
- Sumpter Precinct includes Whitman National Forest
- Connor Creek Precinct
- Cornucopia Precinct, includes Cornucopia Town
- Cornucopia Precinct
- Durkee Precinct
- Eagle Valley 1 Precinct includes Richland Town
- Eagle Valley 1 Precinct
- Eagle Valley 2 Precinct
- Greenhorn Precinct, includes Greenhorn Town
- Greenhorn Precinct
- Haines Precinct, includes Haines Town
- Haines Precinct
- Hereford Precinct
- Huntington Precinct, includes Huntington Town
- Huntington Precinct, includes Lime
- Iron Dyke Precinct
- Lookout Precinct
- McEwen Precinct
- Pine Precinct, includes Halfway Town
- Pine #1 Precinct
- Pine #2 Precinct
- Pocahontas Precinct
- Robinette Precinct
- Rock Creek Precinct
- Rye Valley Precinct
- Sparta Precinct
- Sumpter Precinct, includes Sumpter City
- Sumpter Precinct
- Unity Precinct
- Virtue Precinct
- Weatherby Precinct
- Wingville Precinct
- Surname Index
- Hosted at Census Guide