Dewey County, OK Population

Overview

4,548

Total Population

37.8

Median age

50.20%

Female population %

99.2:100

Gender ratio (M:F)

10-14 years

Largest age group

70.4

Total dependency ratio

White

Largest racial group

346

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Dewey County is 37.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Dewey County's population under 18 was 27.40%, compared to the 22.51% nationwide.
Dewey County's elderly or the senior population (over 65 age) was 18.58% as compared to 16.04% nationwide.
Of the total population in Dewey County, 22.74% were under the age of 15, 19.17% aged 15 to 29, 39.51% aged 30 to 64, 16.75% aged 65 to 84, and 1.82% were 85 years of age and older.

There are 18 more females than males in Dewey County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.20% females and 49.80% males in Dewey County, OK.
The Dewey County, OK gender ratio is 99.2:100 i.e. 99.2 men to 100 women (0.992).
For male population, the largest age group is 10-14 years with a population of 251.
For the female population, the largest age group is 10-14 years with a population of 210.

Dewey County's population has become increasingly diverse:

Racial distribution of Dewey County population: 84.98% are White, 5.78% are American Indian and Alaska Native, 0.22% are Asian, 0.09% are some other race and 8.93% are multiracial.
Dewey County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 346 is Hispanic or Latino (of any race), and 4,202 (92.39% of the total population) is Non-Hispanic.
The largest racial group in Dewey County is White with a population of 3,865 (84.98% of the total population).

Dewey County's population has already reached its peak and is showing a trend of decline:

The peak population was 4,986 in the year 2015
From 2000 to 2010, Dewey County's population increased by 118 (2.52%), as compared to the national growth of 9.63%.
From 2010 to 2020, Dewey County's population decreased by 335 (6.97%), 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, Dewey County's population was lowest in year 2006 at 4,381.