US CITIZENSHIP TEST PREPARATION

Detailed explanation-1: -Below are the 36 Oregon counties sorted by population from largest to smallest. The population data are from the 2021 American Community Survey. You can copy and paste this list directly into your favorite spreadsheet program.

Detailed explanation-2: -This Oregon county map displays its 36 counties.

Detailed explanation-3: -Populations are reported for Oregon and the 36 counties; population change and the components of population change from 2010 to 2014 are also included. Table 4: Population for Oregon and its Counties and Incorporated Cities and Towns: July 1, 2010-July 1, 2014; and Census Counts 1990-2010.