Gillespie, IL Population

Overview

2,945

Total Population

45.7

Median age

50.76%

Female population %

97:100

Gender ratio (M:F)

50-54 years

Largest age group

61.9

Total dependency ratio

White

Largest racial group

Zero

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Gillespie is 45.7, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Gillespie's population under 18 was 21.77%, compared to the 22.51% nationwide.
Gillespie's elderly or the senior population (over 65 age) was 17.89% as compared to 16.04% nationwide.
Of the total population in Gillespie, 20.34% were under the age of 15, 13.99% aged 15 to 29, 47.78% aged 30 to 64, 13.79% aged 65 to 84, and 4.11% were 85 years of age and older.

There are 45 more females than males in Gillespie:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 50.76% females and 49.24% males in Gillespie, IL.
The Gillespie, IL gender ratio is 97:100 i.e. 97 men to 100 women (0.970).
For male population, the largest age group is 50-54 years with a population of 209.
For the female population, the largest age group is 40-44 years with a population of 134.

Gillespie's population is moderately diverse:

Racial distribution of Gillespie population: 96.84% are White, 0.48% are American Indian and Alaska Native and 2.68% are multiracial.
Gillespie's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, Zero is Hispanic or Latino (of any race), and 2,945 (100% of the total population) is Non-Hispanic.
The largest racial group in Gillespie is White with a population of 2,852 (96.84% of the total population).

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

The peak population was 3,404 in the year 2000
From 2000 to 2010, Gillespie's population decreased by 80 (2.35%), as compared to the national growth of 9.63%.
From 2010 to 2020, Gillespie's population decreased by 159 (4.78%), 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, Gillespie's population was lowest in year 2019 at 3,097.