Montgomery County, IL Population

Overview

28,482

Total Population

42.8

Median age

46.73%

Female population %

114:100

Gender ratio (M:F)

55-59 years

Largest age group

58.3

Total dependency ratio

White

Largest racial group

518

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Montgomery County is 42.8, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Montgomery County's population under 18 was 20.32%, compared to the 22.51% nationwide.
Montgomery County's elderly or the senior population (over 65 age) was 19.96% as compared to 16.04% nationwide.
Of the total population in Montgomery County, 16.87% were under the age of 15, 17.05% aged 15 to 29, 46.12% aged 30 to 64, 17.07% aged 65 to 84, and 2.89% were 85 years of age and older.

There are 1,864 less females than males in Montgomery County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 46.73% females and 53.27% males in Montgomery County, IL.
The Montgomery County, IL gender ratio is 114:100 i.e. 114 men to 100 women (1.140).
For male population, the largest age group is 25-29 years with a population of 1,187.
For the female population, the largest age group is 55-59 years with a population of 1,049.

Montgomery County's population has become increasingly diverse:

Racial distribution of Montgomery County population: 93.70% are White, 3.94% are Black or African American, 0.08% are American Indian and Alaska Native, 0.35% are Asian, 0.52% are some other race and 1.41% are multiracial.
Montgomery County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 518 is Hispanic or Latino (of any race), and 27,964 (98.18% of the total population) is Non-Hispanic.
The largest racial group in Montgomery County is White with a population of 26,687 (93.70% of the total population).

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

The peak population was 30,633 in the year 2000
From 2000 to 2010, Montgomery County's population decreased by 538 (1.76%), as compared to the national growth of 9.63%.
From 2010 to 2020, Montgomery County's population decreased by 1,892 (6.29%), 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, Montgomery County's population was lowest in year 2022 at 28,020.