Monroe County, IL Population

Overview

34,732

Total Population

42.3

Median age

50.31%

Female population %

98.8:100

Gender ratio (M:F)

55-59 years

Largest age group

56.5

Total dependency ratio

White

Largest racial group

561

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Monroe County is 42.3, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Monroe County's population under 18 was 22.37%, compared to the 22.51% nationwide.
Monroe County's elderly or the senior population (over 65 age) was 17.74% as compared to 16.04% nationwide.
Of the total population in Monroe County, 18.36% were under the age of 15, 15.67% aged 15 to 29, 48.23% aged 30 to 64, 15.15% aged 65 to 84, and 2.58% were 85 years of age and older.

There are 216 more females than males in Monroe County:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.31% females and 49.69% males in Monroe County, IL.
The Monroe County, IL gender ratio is 98.8:100 i.e. 98.8 men to 100 women (0.988).
For male population, the largest age group is 55-59 years with a population of 1,501.
For the female population, the largest age group is 60-64 years with a population of 1,420.

Monroe County's population has become increasingly diverse:

Racial distribution of Monroe County population: 96.94% are White, 0.22% are Black or African American, 0.15% are American Indian and Alaska Native, 0.92% are Asian, 0.66% are some other race and 1.12% are multiracial.
Monroe County's racial breakdown clearly shows that there is an absolute majority of White population in the county.
By ethnicity, 561 is Hispanic or Latino (of any race), and 34,171 (98.38% of the total population) is Non-Hispanic.
The largest racial group in Monroe County is White with a population of 33,668 (96.94% of the total population).

Monroe County's population has not reached its peak yet and is showing a trend of further growth:

The peak population was 35,033 in the year 2022
From 2000 to 2010, Monroe County's population increased by 5,302 (19.11%), as compared to the national growth of 9.63%.
From 2010 to 2020, Monroe County's population increased by 1,901 (5.75%), 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, Monroe County's population was lowest in year 2000 at 27,749.