McDonough County, IL Population

Overview

27,743

Total Population

33.7

Median age

51.83%

Female population %

93:100

Gender ratio (M:F)

20-24 years

Largest age group

47.4

Total dependency ratio

White

Largest racial group

819

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in McDonough County is 33.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
McDonough County's population under 18 was 17.33%, compared to the 22.51% nationwide.
McDonough County's elderly or the senior population (over 65 age) was 17.69% as compared to 16.04% nationwide.
Of the total population in McDonough County, 14.45% were under the age of 15, 31.51% aged 15 to 29, 36.35% aged 30 to 64, 14.61% aged 65 to 84, and 3.09% were 85 years of age and older.

There are 1,013 more females than males in McDonough County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 51.83% females and 48.17% males in McDonough County, IL.
The McDonough County, IL gender ratio is 93:100 i.e. 93 men to 100 women (0.930).
For male population, the largest age group is 20-24 years with a population of 2,068.
For the female population, the largest age group is 20-24 years with a population of 2,061.

McDonough County's population has become increasingly diverse:

Racial distribution of McDonough County population: 88.44% are White, 5.24% are Black or African American, 0.05% are American Indian and Alaska Native, 2.54% are Asian, 0.04% are Native Hawaiian and other Pacific Islander, 0.52% are some other race and 3.17% are multiracial.
McDonough County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 819 is Hispanic or Latino (of any race), and 26,924 (97.05% of the total population) is Non-Hispanic.
The largest racial group in McDonough County is White with a population of 24,537 (88.44% of the total population).

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

The peak population was 33,286 in the year 2007
From 2000 to 2010, McDonough County's population decreased by 163 (0.50%), as compared to the national growth of 9.63%.
From 2010 to 2020, McDonough County's population decreased by 5,534 (16.96%), 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, McDonough County's population was lowest in year 2021 at 26,848.