Petersburg, Illinois Population 2022

2,258
map placeholder

Petersburg is a city located in Menard County Illinois. It is also the county seat of Menard County. With a 2020 population of 2,258, it is the 476th largest city in Illinois and the 10289th largest city in the United States. Petersburg is currently declining at a rate of 0.00% annually and its population has decreased by -11.93% since the most recent census, which recorded a population of 2,564 in 2020. Spanning over 2 miles, Petersburg has a population density of 1,445 people per square mile.

The average household income in Petersburg is $66,023 with a poverty rate of 13.52%. The median rental costs in recent years comes to $669 per month, and the median house value is $121,900. The median age in Petersburg is 40.5 years, 40.3 years for males, and 40.7 years for females.

Petersburg Demographics

According to the most recent ACS, the racial composition of Petersburgwas:

  • White: 95.40%
  • Two or more races: 3.82%
  • Black or African American: 0.43%
  • Asian: 0.35%
  • Native American: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Petersburg, Illinois is 2,258 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 2,564.

Petersburg, Illinois Population 2022

Population by Race

Loading...

Petersburg Population by Race

Petersburg Population Pyramid 2022

Loading...

Petersburg Median Age

39.8


Total

38.7


Male

40.3


Female

Petersburg Adults

There are 2,014 adults, (431 of whom are seniors) in Petersburg.

Petersburg Age Dependency

Age Dependency Ratio

27.2

Old Age Dependency Ratio

34.7

Child Dependency Ratio

Petersburg Sex Ratio

Female

1,288

50.23%

Male

1,276

49.77%

Petersburg Population by Age

Petersburg Renter vs Owner Occupied by Household Type

map placeholder

Petersburg Household Types

62.4%

Rate of Home Ownership

Petersburg Households and Families

2.74

Average Family Size

2.27

Average Household Size

Loading...

Petersburg Households by Type

Loading...
Loading...

Petersburg Educational Attainment by Sex (over 25)

Petersburg Educational Attainment by Race

Loading...

The highest rate of high school graduation is among black people with a rate of 100.00%.

The highest rate of bachelors degrees is among asian people with a rate of 66.67%.

Petersburg Educational Attainment by Race

Loading...

$41,534

Average Earnings

$44,861

Average Male

$38,690

Average Female

Petersburg Earnings by Educational Attainment

Petersburg Language by Age

Loading...

Petersburg Language

98.84% of Petersburg residents speak only English, while 1.16% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.46% of the population.

Petersburg Language

Petersburg Poverty by Race

Loading...

13.52%

Overall Poverty Rate

15.14%

Male Poverty Rate

11.92%

Female Poverty Rate

Poverty in Petersburg

The race most likely to be in poverty in Petersburg is White, with 14.30% below the poverty level.

The race least likely to be in poverty in Petersburg is Other, with NaN% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0.85%. Among those working part-time, it was 21.72%, and for those that did not work, the poverty rate was 23.29%.

Petersburg Poverty

Loading...

Petersburg Poverty Rate by Education

Loading...

Petersburg Poverty Rate by Employment Status and Sex

Petersburg Income by Household Type

Loading...
Loading...

Income by Household Type

Petersburg Marital Status

map placeholder

Marriage Rates

50.5%

Overall Marriage Rate

54.8%

Male Marriage Rate

46.6%

Female Marriage Rate

Petersburg Married by Age and Sex

Loading...

Petersburg Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Petersburg Marital Status by Race

map placeholder

Petersburg Marital Status

Loading...

236

Number of Veterans

Male Veterans

Female Veterans

Petersburg Veterans by War

Loading...

Petersburg Veterans by Age

Loading...

Petersburg Veterans by Race

Petersburg Veterans by Education

Loading...

21.19%

Veteran Poverty Rate

55.08%

Veteran Disability Rate

Petersburg Veterans by Education

Loading...

70.5%

Labor Force Participation

66.3%

Employment Rate

5.9%

Unemployment Rate

Petersburg Employment by Age

Loading...

Petersburg Employment by Race

Loading...

Petersburg Employment by Education

Origin of Non-Citizens

Loading...

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Loading...

86.47%

Born in Petersburg

99.30%

Native Born

0.70%

Foreign Born

0.00%

Non Citizen

0.70%

Naturalized

Place of Birth

99.30% of Petersburg residents were born in the United States, with 86.47% having been born in Illinois. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Petersburg Place of Birth

Note: 2021 and 2022 data is projected

Petersburg Population by Year