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Population and Demography of Oregon

Oregon is a state in the Pacific Northwest region of the Western United States. It borders north to Washington state; to the east by Idaho; to the south by Nevada and California; and the west by the Pacific Ocean. 

Oregon is the 27th most populous state of the United States and Its 9th-largest U.S. state by area. The total Land area is 95,997 sq. mi. (248,849 sq. km.) and there is an average of 40 people for every square mile. This makes Oregon the 39th most densely populated state in the US. As per the  United States Census Bureau, the population of Oregon in 2020 is 4,237,256 (4.2 million) 

Estimated Population of Oregon in 2024 – 4,233,358 or 4.2 million

Oregon Population (2010-2020)

Oregon has a population growth rate of 10.6 % during 2010-2020. It has population increase of 406,182  since 2010. The median age across the population of Oregon is 39.1 years of age. In terms of the ratio of females to males, 50.5% females and 49.5% males are where the population currently stands.

OregonCensus 2020
Total Population4,237,256 (4.2 million)
Percentage Change since 201010.6%
Population Rank27th
Total Land Area95,997 sq mi (248,849 km2)
Area Rank9th
Population Density39.9/sq mi (15.0/km2)
Capital CitySalem
Largest CityPortland

Oregon Historical Population

In the year 1900 Oregon’s Population was 0.4 million and in 2000 it reached 4.2 million, an increase of almost 3.8 million. 

Let’s look at decade population & percentage change 

YearPopulation% Change
Religion and Affiliations

Christianity is the majority religion in Oregon followed by 61% of the population. The largest Christian denomination in Oregon is Protestant (43%); Roman Catholic (12%); Mormonism (4%).

Next comes the Unaffiliated population, 31% of the population doesn’t follow or adhere to any faith or religion. Other faiths include Hindu, Jewish, Buddhist, and Islam, and together make up 7 % of Oregon’s population.

For more details read Religion in Oregon

Race and Ethnicity

In 2020, the White alone (non-Hispanic) population was the largest racial or ethnic group in Oregon, comprising 71.65% of the total population. It was followed by the Hispanic or Latino population whose share was 13.89%. The two or more races population was the third largest at 6.11%. The Asian Population is at 4.53% and African Americans at 1.86%.

Ancestry in Oregon 

As per Census Studies and estimates German, English, Irish, American, and Italian have made the five largest ancestry groups in Oregon. 

For more Details read Race and Ethnicity in Oregon 

Top Cities and Counties in Oregon

As of 2022, Oregon is divided into 36 counties. The most populous county in Oregon is Multnomah County (0.8 million) and The Largest county by Land Area in Oregon is Harney County (7575 sq. mi.) 

Portland is the largest city in Oregon with a population of 656,751. Other major cities include Eugene (173,236), Salem (175,891), Gresham (110,031), and Hillsboro (110,985). 

read more about Cities and Counties in Oregon 

Oregon Population 2024 | Oregon Demographics
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