Petersburg, IL Population

Overview

2,515

Total Population

39.9

Median age

48.87%

Female population %

104.6:100

Gender ratio (M:F)

20-24 years

Largest age group

51.0

Total dependency ratio

White

Largest racial group

4

Hispanic population

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

TABLE OF CONTENTS

Age

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

The median age in Petersburg is 39.9, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Petersburg's population under 18 was 21.07%, compared to the 22.51% nationwide.
Petersburg's elderly or the senior population (over 65 age) was 17.18% as compared to 16.04% nationwide.
Of the total population in Petersburg, 16.58% were under the age of 15, 19.72% aged 15 to 29, 46.52% aged 30 to 64, 13.00% aged 65 to 84, and 4.17% were 85 years of age and older.

There are 57 less females than males in Petersburg:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 48.87% females and 51.13% males in Petersburg, IL.
The Petersburg, IL gender ratio is 104.6:100 i.e. 104.6 men to 100 women (1.046).
For male population, the largest age group is 20-24 years with a population of 150.
For the female population, the largest age group is 40-44 years with a population of 121.

Petersburg's population has become increasingly diverse:

Racial distribution of Petersburg population: 95.07% are White, 0.52% are Black or African American, 0.32% are Asian and 4.10% are multiracial.
Petersburg's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 4 is Hispanic or Latino (of any race), and 2,475 (98.41% of the total population) is Non-Hispanic.
The largest racial group in Petersburg is White with a population of 2,391 (95.07% of the total population).

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

The peak population was 2,344 in the year 2011
From 2000 to 2010, Petersburg's population increased by 51 (2.23%), as compared to the national growth of 9.63%.
From 2010 to 2020, Petersburg's population decreased by 80 (3.42%), 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, Petersburg's population was lowest in year 2009 at 2,197.