Douglas County, IL Population

Overview

19,708

Total Population

38.4

Median age

50.39%

Female population %

98.4:100

Gender ratio (M:F)

10-14 years

Largest age group

62.8

Total dependency ratio

White

Largest racial group

1,466

Hispanic population

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

TABLE OF CONTENTS

Age

Douglas County's population is of same age compared to the rest of the country:

The median age in Douglas County is 38.4, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Douglas County's population under 18 was 24.96%, compared to the 22.51% nationwide.
Douglas County's elderly or the senior population (over 65 age) was 18.10% as compared to 16.04% nationwide.
Of the total population in Douglas County, 20.47% were under the age of 15, 18.60% aged 15 to 29, 42.83% aged 30 to 64, 15.28% aged 65 to 84, and 2.83% were 85 years of age and older.

There are 154 more females than males in Douglas County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.39% females and 49.61% males in Douglas County, IL.
The Douglas County, IL gender ratio is 98.4:100 i.e. 98.4 men to 100 women (0.984).
For male population, the largest age group is 10-14 years with a population of 859.
For the female population, the largest age group is 10-14 years with a population of 738.

Douglas County's population has become increasingly diverse:

Racial distribution of Douglas County population: 93.45% are White, 0.90% are Black or African American, 0.51% are American Indian and Alaska Native, 0.50% are Asian, 0.08% are Native Hawaiian and other Pacific Islander, 0.77% are some other race and 3.80% are multiracial.
Douglas County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 1,466 is Hispanic or Latino (of any race), and 18,242 (92.56% of the total population) is Non-Hispanic.
The largest racial group in Douglas County is White with a population of 18,417 (93.45% of the total population).

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

The peak population was 19,977 in the year 2010
From 2000 to 2010, Douglas County's population increased by 36 (0.18%), as compared to the national growth of 9.63%.
From 2010 to 2020, Douglas County's population decreased by 219 (1.10%), 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, Douglas County's population was lowest in year 2009 at 19,335.