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Petersburg, Illinois Population 2021

2,184

Petersburg is a city located in Menard County Illinois. It is also the county seat of Menard County. With a 2020 population of 2,184, it is the 463rd largest city in Illinois and the 7296th largest city in the United States . Petersburg is currently declining at a rate of -0.68% annually and its population has decreased by -3.36% since the most recent census, which recorded a population of 2,260 in 2010. Petersburg reached it's highest population of 2,332 in 2011. Spanning over 2 miles, Petersburg has a population density of 1,398 people per square mile.

The average household income in Petersburg is $66,023 with a poverty rate of 20.30%. The median rental costs in recent years comes to $681 per month, and the median house value is $98,000. 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 Petersburg was:

White: 93.71%
Two or more races: 4.97%
Black or African American: 0.72%
Asian: 0.36%
Other race: 0.24%
Native American: 0.00%
Native Hawaiian or Pacific Islander: 0.00%

The current population of Petersburg, Illinois is 2,184 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 2,229.The last official US Census in 2010 recorded the population at 2,260.

Petersburg, Illinois Population 2021

Population by Race

Race	Population	Percentage
White	2,355	93.71%
Two or More Races	125	4.97%
Black or African American	18	0.72%
Asian	9	0.36%
Some Other Race	6	0.24%

Petersburg Population by Race

Petersburg Population Pyramid $2021

Petersburg Population by Age

Petersburg Renter vs Owner Occupied by Household Type

Petersburg Household Types

Type	Owner	Renter
Male	84.6%	15.4%
Married	79.8%	20.2%
All	58.6%	41.4%
Non Family	47.6%	52.4%
Female	29.1%	70.9%

58.6%

Rate of Home Ownership

Petersburg Households and Families

Type	Count	Average Size	Owned
All	1,116	2.23	58.6
Married	450	2.87	79.8
Non Family	431	1.17	47.6
Female	196	3.02	29.1
Male	39	2.59	84.6

2.77

Average Family Size

2.23

Average Household Size

Petersburg Households by Type

Education Attained	Count	Percentage
Less Than 9th Grade	21	1.23%
9th to 12th Grade	161	9.45%
High School Graduate	581	34.10%
Some College	404	23.71%
Associates Degree	147	8.63%
Bachelors Degree	263	15.43%
Graduate Degree	127	7.45%

Petersburg Educational Attainment by Sex (over 25)

Petersburg Educational Attainment by Race

Race	Total	High School	Bachelors
White	1,575	1,432	384
2+ Races	79	40
Hispanic	29	29
Black	12	12
Asian	9	9	6

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

Name	Average	Male	Female
Overall	$35,000	$40,463	$32,976
Less Than 9th Grade	$16,693	$17,121	$15,750
High School Graduate	$39,766	$43,750	$32,750
Some College	$31,274	$32,181	$27,386
Bachelors Degree	$47,679	$52,813	$47,500
Graduate Degree	$63,438	$73,047	$53,750

$35,000

Average Earnings

$40,463

Average Male

$32,976

Average Female

Petersburg Earnings by Educational Attainment

Petersburg Language by Age

Petersburg Language

99.06% of Petersburg residents speak only English, while 0.94% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 0.26% of the population.

Petersburg Language

Petersburg Poverty by Race

Name	Total	In Poverty	Poverty Rate
White	2,284	482	21.10%
Multiple	125	10	8.00%
Other	6	6	100.00%

20.30%

Overall Poverty Rate

18.02%

Male Poverty Rate

22.32%

Female Poverty Rate

Poverty in Petersburg

The race most likely to be in poverty in Petersburg is Other, with 100.00% below the poverty level.

The race least likely to be in poverty in Petersburg is Multiple, with 8.00% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.85%. Among those working part-time, it was 24.53%, and for those that did not work, the poverty rate was 28.25%.

Petersburg Poverty

Name	Poverty
Less Than 9th Grade	34.07%
High School	15.83%
Some College	13.46%
Bachelors or Greater	0.77%

Petersburg Poverty Rate by Education

Rate	Poverty
Female Unemployed	84.21%
Male Unemployed	38.24%
Female Employed	12.50%
Male Employed	6.74%

Petersburg Poverty Rate by Employment Status and Sex

Petersburg Income by Household Type

Name	Median	Mean
Households	$54,833	$66,023
Families	$65,944	$70,408
Married Families	$79,063	-
Non Families	$36,488	$54,106

Income by Household Type

Petersburg Marital Status

Marriage Rates

46.6%

Overall Marriage Rate

51.9%

Male Marriage Rate

42.1%

Female Marriage Rate

Petersburg Married by Age and Sex

Petersburg Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Petersburg Marital Status by Race

Petersburg Marital Status

225

Number of Veterans

215

Male Veterans

Female Veterans

War	Veterans
Vietnam	41
World War II	25
First Gulf War	22
Second Gulf War	17
Korea	12

Petersburg Veterans by War

Age Group	Veterans
75+	83
55 to 64	69
65 to 74	32
35 to 54	24
18 to 34	17

Petersburg Veterans by Age

Name	Veterans	% of Total
White	219	11.98%
2+ Races	6	6.06%

Petersburg Veterans by Race

Petersburg Veterans by Education

8.00%

Veteran Poverty Rate

45.78%

Veteran Disability Rate

Petersburg Veterans by Education

69.7%

Labor Force Participation

64.4%

Employment Rate

7.6%

Unemployment Rate

Petersburg Employment by Age

Petersburg Employment by Race

Petersburg Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

87.54%

Born in Petersburg

99.24%

Native Born

0.76%

Foreign Born

0.00%

Non Citizen

0.76%

Naturalized

Place of Birth

99.24% of Petersburg residents were born in the United States, with 87.54% 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

Year	Population	Growth	Annual Growth Rate
2021	2,184	-15	-0.68%
2020	2,199	-15	-0.68%
2019	2,214	-15	-0.67%
2018	2,229	1	0.04%
2017	2,228	-22	-0.98%
2016	2,250	3	0.13%
2015	2,247	-30	-1.32%
2014	2,277	-17	-0.74%
2013	2,294	-27	-1.16%
2012	2,321	-11	-0.47%
2011	2,332	4	0.17%
2010	2,328		0.00%

Petersburg, Illinois Population 2021

Petersburg Demographics

Petersburg, Illinois Population 2021

Population by Race

Petersburg Population by Race

Petersburg Population Pyramid $2021

Petersburg Median Age

Petersburg Adults

Petersburg Age Dependency

Petersburg Sex Ratio

Petersburg Population by Age

Petersburg Renter vs Owner Occupied by Household Type

Petersburg Household Types

Petersburg Households and Families

Petersburg Households by Type

Petersburg Educational Attainment by Sex (over 25)

Petersburg Educational Attainment by Race

Petersburg Educational Attainment by Race

Petersburg Earnings by Educational Attainment

Petersburg Language by Age

Petersburg Language

Petersburg Language

Petersburg Poverty by Race

Poverty in Petersburg

Petersburg Poverty

Petersburg Poverty Rate by Education

Petersburg Poverty Rate by Employment Status and Sex

Petersburg Income by Household Type

Income by Household Type

Petersburg Marital Status

Marriage Rates

Petersburg Married by Age and Sex

Petersburg Marriage

Petersburg Marital Status by Race

Petersburg Marital Status

Petersburg Veterans by War

Petersburg Veterans by Age

Petersburg Veterans by Race

Petersburg Veterans by Education

Petersburg Veterans by Education

Petersburg Employment by Age

Petersburg Employment by Race

Petersburg Employment by Education

Origin of Non-Citizens

Origin of Naturalized Citizens

Place of Birth

Petersburg Place of Birth

Petersburg Population by Year