Owyhee County, ID Population

Overview

11,815

Total Population

40.0

Median age

47.75%

Female population %

109.4:100

Gender ratio (M:F)

15-19 years

Largest age group

63.2

Total dependency ratio

White

Largest racial group

3,074

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Owyhee County is 40.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Owyhee County's population under 18 was 25.71%, compared to the 22.51% nationwide.
Owyhee County's elderly or the senior population (over 65 age) was 17.82% as compared to 16.04% nationwide.
Of the total population in Owyhee County, 20.91% were under the age of 15, 18.87% aged 15 to 29, 42.40% aged 30 to 64, 15.77% aged 65 to 84, and 2.05% were 85 years of age and older.

There are 531 less females than males in Owyhee 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 Owyhee County, ID.
The Owyhee County, ID gender ratio is 109.4:100 i.e. 109.4 men to 100 women (1.094).
For male population, the largest age group is 15-19 years with a population of 585.
For the female population, the largest age group is 10-14 years with a population of 484.

Owyhee County's population has become increasingly diverse:

Racial distribution of Owyhee County population: 76.42% are White, 0.41% are Black or African American, 3.15% are American Indian and Alaska Native, 0.22% are Asian, 13.41% are some other race and 6.40% are multiracial.
Owyhee County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 3,074 is Hispanic or Latino (of any race), and 8,741 (73.98% of the total population) is Non-Hispanic.
The largest racial group in Owyhee County is White with a population of 9,029 (76.42% of the total population).

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

The peak population was 12,613 in the year 2022
From 2000 to 2010, Owyhee County's population increased by 798 (7.47%), as compared to the national growth of 9.63%.
From 2010 to 2020, Owyhee County's population increased by 520 (4.53%), 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, Owyhee County's population was lowest in year 2000 at 10,676.