Union County, IL Population

Overview

17,259

Total Population

43.8

Median age

49.45%

Female population %

102.2:100

Gender ratio (M:F)

55-59 years

Largest age group

62.2

Total dependency ratio

White

Largest racial group

931

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Union County is 43.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Union County's population under 18 was 21.25%, compared to the 22.51% nationwide.
Union County's elderly or the senior population (over 65 age) was 21.07% as compared to 16.04% nationwide.
Of the total population in Union County, 17.28% were under the age of 15, 16.54% aged 15 to 29, 45.11% aged 30 to 64, 18.08% aged 65 to 84, and 3.00% were 85 years of age and older.

There are 189 less females than males in Union County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 49.45% females and 50.55% males in Union County, IL.
The Union County, IL gender ratio is 102.2:100 i.e. 102.2 men to 100 women (1.022).
For male population, the largest age group is 55-59 years with a population of 716.
For the female population, the largest age group is 55-59 years with a population of 673.

Union County's population has become increasingly diverse:

Racial distribution of Union County population: 93.57% are White, 1.36% are Black or African American, 0.26% are American Indian and Alaska Native, 0.31% are Asian, 0.15% are Native Hawaiian and other Pacific Islander, 0.24% are some other race and 4.11% are multiracial.
Union County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 931 is Hispanic or Latino (of any race), and 16,328 (94.61% of the total population) is Non-Hispanic.
The largest racial group in Union County is White with a population of 16,15 (93.57% of the total population).

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

The peak population was 18,276 in the year 2000
From 2000 to 2010, Union County's population decreased by 547 (2.99%), as compared to the national growth of 9.63%.
From 2010 to 2020, Union County's population decreased by 547 (3.09%), 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, Union County's population was lowest in year 2019 at 16,693.