Gilliam County, OR Population

Overview

1,954

Total Population

53.2

Median age

49.08%

Female population %

103.8:100

Gender ratio (M:F)

60-64 years

Largest age group

79.4

Total dependency ratio

White

Largest racial group

97

Hispanic population

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

TABLE OF CONTENTS

Age

Gilliam County's population is old compared to the rest of the country:

The median age in Gilliam County is 53.2, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Gilliam County's population under 18 was 17.25%, compared to the 22.51% nationwide.
Gilliam County's elderly or the senior population (over 65 age) was 29.89% as compared to 16.04% nationwide.
Of the total population in Gilliam County, 14.38% were under the age of 15, 13.25% aged 15 to 29, 42.48% aged 30 to 64, 22.88% aged 65 to 84, and 7.01% were 85 years of age and older.

There are 36 less females than males in Gilliam County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.08% females and 50.92% males in Gilliam County, OR.
The Gilliam County, OR gender ratio is 103.8:100 i.e. 103.8 men to 100 women (1.038).
For male population, the largest age group is 65-69 years with a population of 144.
For the female population, the largest age group is 60-64 years with a population of 132.

Gilliam County's population has become increasingly diverse:

Racial distribution of Gilliam County population: 89.30% are White, 2.15% are American Indian and Alaska Native, 0.56% are Asian, 0.05% are Native Hawaiian and other Pacific Islander, 1.23% are some other race and 6.70% are multiracial.
Gilliam County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 97 is Hispanic or Latino (of any race), and 1,857 (95.04% of the total population) is Non-Hispanic.
The largest racial group in Gilliam County is White with a population of 1,745 (89.30% of the total population).

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

The peak population was 2,018 in the year 2022
From 2000 to 2010, Gilliam County's population decreased by 2 (0.11%), as compared to the national growth of 9.63%.
From 2010 to 2020, Gilliam County's population increased by 137 (7.29%), 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, Gilliam County's population was lowest in year 2009 at 1,646.