Umatilla County, OR Population

Overview

79,509

Total Population

36.8

Median age

47.75%

Female population %

109.4:100

Gender ratio (M:F)

10-14 years

Largest age group

57.4

Total dependency ratio

White

Largest racial group

22,084

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Umatilla County's population is young compared to the rest of the country:

The median age in Umatilla County is 36.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Umatilla County's population under 18 was 25.33%, compared to the 22.51% nationwide.
Umatilla County's elderly or the senior population (over 65 age) was 15.49% as compared to 16.04% nationwide.
Of the total population in Umatilla County, 20.97% were under the age of 15, 20.41% aged 15 to 29, 43.13% aged 30 to 64, 13.58% aged 65 to 84, and 1.90% were 85 years of age and older.

There are 3,583 less females than males in Umatilla County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 47.75% females and 52.25% males in Umatilla County, OR.
The Umatilla County, OR gender ratio is 109.4:100 i.e. 109.4 men to 100 women (1.094).
For male population, the largest age group is 25-29 years with a population of 3,316.
For the female population, the largest age group is 10-14 years with a population of 2,958.

Umatilla County's population has become increasingly diverse:

Racial distribution of Umatilla County population: 79.49% are White, 0.96% are Black or African American, 3.26% are American Indian and Alaska Native, 0.85% are Asian, 0.11% are Native Hawaiian and other Pacific Islander, 7.27% are some other race and 8.06% are multiracial.
Umatilla County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 22,084 is Hispanic or Latino (of any race), and 57,425 (72.22% of the total population) is Non-Hispanic.
The largest racial group in Umatilla County is White with a population of 63,203 (79.49% of the total population).

Umatilla County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 80,215 in the year 2022
From 2000 to 2010, Umatilla County's population increased by 5,379 (7.61%), as compared to the national growth of 9.63%.
From 2010 to 2020, Umatilla County's population increased by 4,005 (5.26%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Umatilla County's population was lowest in year 2001 at 70,558.