Greene County, IL Population

Overview

12,187

Total Population

42.0

Median age

49.31%

Female population %

102.8:100

Gender ratio (M:F)

60-64 years

Largest age group

57.9

Total dependency ratio

White

Largest racial group

155

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Greene County is 42.0, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Greene County's population under 18 was 21.62%, compared to the 22.51% nationwide.
Greene County's elderly or the senior population (over 65 age) was 19.25% as compared to 16.04% nationwide.
Of the total population in Greene County, 17.44% were under the age of 15, 17.83% aged 15 to 29, 45.48% aged 30 to 64, 17.23% aged 65 to 84, and 2.02% were 85 years of age and older.

There are 167 less females than males in Greene County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.31% females and 50.69% males in Greene County, IL.
The Greene County, IL gender ratio is 102.8:100 i.e. 102.8 men to 100 women (1.028).
For male population, the largest age group is 60-64 years with a population of 479.
For the female population, the largest age group is 60-64 years with a population of 520.

Greene County's population has become increasingly diverse:

Racial distribution of Greene County population: 96.16% are White, 1.22% are Black or African American, 0.07% are American Indian and Alaska Native, 0.22% are Asian, 0.02% are Native Hawaiian and other Pacific Islander, 0.47% are some other race and 1.84% are multiracial.
Greene County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 155 is Hispanic or Latino (of any race), and 12,032 (98.73% of the total population) is Non-Hispanic.
The largest racial group in Greene County is White with a population of 11,719 (96.16% of the total population).

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

The peak population was 14,749 in the year 2000
From 2000 to 2010, Greene County's population decreased by 859 (5.82%), as compared to the national growth of 9.63%.
From 2010 to 2020, Greene County's population decreased by 1,954 (14.07%), 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, Greene County's population was lowest in year 2022 at 11,651.