Share of the population by age and sex, five-year groups

Population of Oregon, 2010–2025 · click to pick a year
Estimates up to 2019 are built on the 2010 Census, those from 2020 on the 2020 Census. A line that steps up or down between 2019 and 2020 reflects this re-basing, not a sudden change in population.

Year

-5 -1   2021  +1 +5

4,254,691 people lived in Oregon on July 1, 2021: the 27th-largest population among the 50 states and the District of Columbia. The median age was 40.2 years (United States: 38.9); more residents are 65 or older (19.4%) than under 15 (16.6%): an ageing, top-heavy pyramid. There were 98.0 men for every 100 women. Since 2010 the population has grown by 10.9%. Source: U.S. Census Bureau, Population Estimates Program, Vintage 2025 estimates (resident population on July 1; public domain). Median age, shares, dependency ratios and rankings are calculated by PopulationPyramid.net from these estimates; the Census Bureau does not endorse this site.

Key indicators, 2021
Population
4,254,691
Rank by population
27th of 51
Median age
40.2
Men per 100 women
98.0
Under 15
16.6%
15–64
64.0%
65 and over
19.4%
Child dependency
25.9
Old-age dependency
30.2
Change since 2010
+10.9%
Dependency ratios count children under 15 or adults 65 and over per 100 residents aged 15 to 64.
Show the population by age group, 2021
AgeMenWomenTotalShare
0-4108,729103,858212,5875.0%
5-9122,693116,656239,3495.6%
10-14130,827123,932254,7596.0%
15-19128,201122,208250,4095.9%
20-24137,555135,406272,9616.4%
25-29142,048138,029280,0776.6%
30-34154,313150,401304,7147.2%
35-39151,599148,325299,9247.0%
40-44141,893140,615282,5086.6%
45-49127,804125,580253,3846.0%
50-54128,301127,514255,8156.0%
55-59124,474129,679254,1536.0%
60-64129,130141,292270,4226.4%
65-69125,687141,107266,7946.3%
70-74110,023122,748232,7715.5%
75-7968,93479,967148,9013.5%
80-8440,49649,86590,3612.1%
85+32,83151,97184,8022.0%
How Oregon compares with similar-sized states, 2021
RankStateResidentsRelative
24 Alabama 5,050,058
25 Louisiana 4,628,595
26 Kentucky 4,508,348
27 Oregon 4,254,691
28 Oklahoma 3,992,760
29 Connecticut 3,607,765
30 Utah 3,339,874
Frequently asked questions about Oregon's population
What is the population of Oregon?
Oregon had an estimated 4,254,691 residents on July 1, 2021, according to the U.S. Census Bureau, Population Estimates Program. That ranks 27th among the 51 states and the District of Columbia.
What is the median age in Oregon?
The median age in Oregon was 40.2 years in 2021, the 15th oldest of the 51 states and DC. That is 1.3 years older than the national median of 38.9.
How many people in Oregon are 65 or older?
About 823,629 residents of Oregon (19.4%) were 65 or older in 2021, against 16.6% under 15 and 64.0% aged 15 to 64.
What does the population pyramid of Oregon show?
In 2021, Oregon: more residents are 65 or older (19.4%) than under 15 (16.6%): an ageing, top-heavy pyramid. There were 98.0 men for every 100 women.
How fast is the population of Oregon changing?
The population of Oregon grew by 10.9% between 2010 and 2021, and by 0.3% in the last year.
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