Oregon Gazetteer

Oregon - Basic Information

Became a State: February 14, 1859 - 33rd State
Population: 3,831,074 (2010 Census) - Ranks 27th
Land Area: 95,988.0 square miles - Ranks 10th
Population Density: 39.9 persons per square mile - Ranks 39th
Housing Units: 1,675,562 (2010 Census)
Housing Unit Density: 17.5 housing units per square mile
July 1, 2014 Estimates: Oregon Data and Demographics
State Capital: Salem
State Website: Official State of Oregon Website
Oregon State Flag
Oregon state flag

Oregon History

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The United States acquired the area of Oregon by a treaty with Great Britain in 1846. Oregon Territory was organized from the acquired area on August 14, 1848, and included all of present-day Oregon, Idaho, and Washington and part of western Montana and Wyoming. The territory was reduced in 1853 when Washington Territory was organized. In 1859, additional territory was transferred to Washington Territory, leaving Oregon with generally the same boundary as the present state.

Census data for Oregon are available beginning with the 1850 census. The 1850 population is for the area in present-day Oregon; it does not include the entire territory as legally established. The population of Oregon Territory as legally constituted in 1850 was 13,294.

Data for the legally established state of Oregon are available beginning with the 1860 census.

Oregon Geographical Areas

See: Geographic Terms & Concepts

Counties & County Equivalents

Oregon has 36 counties.  All counties are functioning governmental units, each governed by a board of county commissioners. 

County Subdivisions

There are 212 county subdivisions in Oregon. They are all census county divisions (CCDs), which are delineated for statistical purposes, have no legal function, and are not governmental units.

Places (Incorporated Cities, Towns & Census Designated Places (CDPs))

Oregon has 377 places; 242 incorporated places and 135 census designated places (CDPs).  The incorporated places consist of 233 cities and 9 towns.  There is one inactive city, Greenhorn.  The minimum population for incorporation is 150. 

Alphabetical List of Cities, Towns, CDPs and Other Populated Places
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q, R | S | T | U, V | W, X, Y, Z

Oregon Civil Features

Oregon Civil Features: Political Subdivisions, Native Areas, Land Grants, etc. - sorted by Census Class Codes.

Metropolitan and Micropolitan Stastical Areas

There are 8 Metropolitan and 12 Micropolitan Statistical Areas in Oregon. OR Metopolitan & Micropolitan Areas

Oregon ZIP Code Tabulation Areas

There are 419 ZIP Code tabulation areas (ZCTAs) in Oregon. View Oregon ZIP Codes and ZIP Code Maps.

School Districts

Oregon has 9 elementary school districts, 1 secondary school district, and 188 unified school districts. View Oregon Public and Private Schools.

Congressional Districts

Oregon has 5 congressional districts. An interactive map shows the contact information for each Representative as well as the boundaries for each Oregon district. View Map of Oregon Congressional Districts.

State Legislative Districts

There are 30 state senate districts and 60 state house districts in Oregon.

American Indian Areas

Oregon has 11 American Indian area reservations, 6 with off-reservation trust land.

Oregon Physical, Cultural and Historic Features

  1. Oregon Physical Features such as lakes, islands, streams, valleys, summits, etc.
  2. Oregon Cultural Features such as schools, churches, hospitals, parks, dams, reservoirs, etc.
  3. Oregon Historical Features and Oregon Historic Landmarks

Oregon Maps

  • To find a ZIP Code: input the address in the top-left search box of any ZIP Code Map.
  • To find the County: input the address in the top-left search box of the interactive OR map.
  • To find the School Attendance Zone: input the address in the top-left search box of any OR school map

Oregon Census Data Comparison Tool

Compare Selected Oregon Census Data Data: Population,   Population Density,   Diversity Index,   Median Household Incomes,   Per Capita Income
Locations: Cites & Towns,   Counties,   ZIP Codes
Highest or Lowest: Show Highest Values,   Show Lowest Values
Results: Show 20 Results,   Show 200 Results
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