Recent County Population Change: Preliminary 2015 Population Estimates

This map shows the preliminary July 1, 2015 population estimates for each county in Oregon. For the exact numbers by city and county, consult the Population Research Center's population estimates program page.

The map shows that the counties with the largest populations are in the Portland metropolitan area, in the Willamette Valley, along the I-5 transportation corridor, and in the central part of the state.

The maps on the following pages show recent county population change and the components of change.

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