Petersburg, Illinois Population 2024

2,202

Petersburg is a city located in Menard County Illinois. Petersburg has a 2024 population of 2,202. It is also the county seat of Menard County.Petersburg is currently declining at a rate of -0.59% annually and its population has decreased by -2.65% since the most recent census, which recorded a population of 2,262 in 2020.

The average household income in Petersburg is $91,119 with a poverty rate of 17.23%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Petersburg is 38.8 years, 36.8 years for males, and 40.7 years for females.

Petersburg Demographics

According to the most recent ACS, the racial composition of Petersburg was:

  • White: 95.38%
  • Two or more races: 3.63%
  • Black or African American: 0.49%
  • Asian: 0.49%
  • Native American:
  • Native Hawaiian or Pacific Islander:
  • Other race:
Land Area (mi²)
1.6 sq mi
Density (mi²)
1,409.60/sq mi
Growth Since 2020
-2.65% (-60)
The current population of Petersburg, Illinois is 2,202 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 2,262.

Petersburg, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White2,31495.38%
Two or more races883.63%
Black or African American120.49%
Asian120.49%
Native American
Native Hawaiian or Pacific Islander
Other race
showing: 7 rows

White

Two or more races

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Other race

Petersburg Population by Race

Petersburg Population Pyramid 2024

Petersburg Median Age

38.8

Total

36.8

Male

40.7

Female

Petersburg Adults

There are 1,920 adults, (423 of whom are seniors) in Petersburg.

Petersburg Age Dependency

62.1

Age Dependency Ratio

28.3

Old Age Dependency Ratio

33.8

Child Dependency Ratio

Petersburg Sex Ratio

Female1,21049.88%
Male1,21650.12%

Petersburg Population by Age

Petersburg Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,0792.2358.541.5
Married4472.858317
Non Family3841.0646.153.9
Female2302.9328.371.7
Male182.561000
showing: 5 rows

2.78

Average Family Size

2.23

Average Household Size

58.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Petersburg Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Petersburg Educational Attainment by Sex (over 25)

Petersburg Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among black people with a rate of 100%.

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

Petersburg Educational Attainment by Race

All

Male

Female

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$45,833

Average Earnings

$49,643

Average Male

$40,781

Average Female

Petersburg Earnings by Educational Attainment

Petersburg Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Petersburg Language

99.39% of Petersburg residents speak only English, while 0.61% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 0.35% of the population.

Petersburg Language

Petersburg Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White2,29738516.76%
Multiple882831.82%
showing: 2 rows

17.23%

Overall Poverty Rate

21.95%

Male Poverty Rate

12.48%

Female Poverty Rate

Poverty in Petersburg

The race most likely to be in poverty in Petersburg is Multiple, with 31.82% below the poverty level.

The race least likely to be in poverty in Petersburg is White, with 16.76% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.31%. Among those working part-time, it was 28.07%, and for those that did not work, the poverty rate was 20.19%.

Petersburg Poverty

rate

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Rate
Poverty
Less Than 9th Grade36.05%
Some College19.36%
High School18.13%
Bachelors or Greater0.81%
showing: 4 rows

Petersburg Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed100%
Female Unemployed72%
Male Employed16.35%
Female Employed7.28%
showing: 4 rows

Petersburg Poverty Rate by Employment Status and Sex

Petersburg Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Petersburg Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

47.0%

Overall Marriage Rate

49.0%

Male Marriage Rate

45.1%

Female Marriage Rate

Petersburg Married by Age and Sex

male

female

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 20-34.

Petersburg Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Petersburg Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

190

Number of Veterans

173

Male Veterans

17

Female Veterans

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Petersburg Veterans by War

count

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Petersburg Veterans by Age

count

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Petersburg Veterans by Race

Petersburg Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

27.89%

Veteran Poverty Rate

49.47%

Veteran Disability Rate

Petersburg Veterans by Education

LaborForceParticipation

65%

Labor Force Participation

62.8%

Employment Rate

3.4%

Unemployment Rate

Petersburg Employment by Age

LaborForceParticipation

Petersburg Employment by Race

LaborForceParticipation

Petersburg Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

81.7%

Born in Petersburg

99.38%

Native Born

0.62%

Foreign Born

Non Citizen

0.62%

Naturalized

Place of Birth

99.38% of Petersburg residents were born in the United States, with 81.7% having been born in Illinois. of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Petersburg Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20292,137-13-0.6%
20282,150-13-0.6%
20272,163-13-0.6%
20262,176-13-0.59%
20252,189-13-0.59%
20242,202-13-0.59%
20232,215-13-0.58%
20222,228-13-0.58%
20212,241-21-0.93%
20202,262331.48%
20192,229-16-0.71%
20182,24510.04%
20172,244-25-1.1%
20162,26990.4%
20152,260-31-1.35%
20142,291-17-0.74%
20132,308-25-1.07%
20122,333-11-0.47%
20112,34420.09%
20102,342
showing: 20 rows

Petersburg Population by Year