St. Peter, Illinois Population 2024

315

St. Peter Demographics

According to the most recent ACS, the racial composition of St. Peter was:

  • White: 98.05%
  • Two or more races: 1.95%
  • Black or African American: 0%
  • Native American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
Land Area (mi²)
0.5 sq mi
Density (mi²)
605.10/sq mi
Growth Since 2020
-2.17% (-7)
The current population of St. Peter, Illinois is 315 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 322.

Population by Race

Race
Population
Percentage (of total)
White25198.05%
Two or more races51.95%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

St. Peter Population by Race

St. Peter Population Pyramid 2024

St. Peter Median Age

41.2

Total

39.2

Male

45.5

Female

St. Peter Adults

There are 192 adults, (60 of whom are seniors) in St. Peter.

St. Peter Age Dependency

93.9

Age Dependency Ratio

45.5

Old Age Dependency Ratio

48.5

Child Dependency Ratio

St. Peter Sex Ratio

Female11946.48%
Male13753.52%

St. Peter Population by Age

St. Peter Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1042.4688.511.5
Married493.2791.88.2
Non Family421.1790.59.5
Female123.566.733.3
Male151000

3.27

Average Family Size

2.46

Average Household Size

88.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

St. Peter Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade63.41%
Associates Degree3218.18%
Bachelors Degree179.66%
Graduate Degree95.11%
High School Graduate7140.34%
Less Than 9th Grade52.84%
Some College3620.45%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

St. Peter Educational Attainment by Sex (over 25)

St. Peter Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White17116223
2+ Races533

The highest rate of high school graduation is among white people with a rate of 94.74%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 60%.

St. Peter Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$47,083$53,750$36,250
Graduate Degree$58,333$0$0
High School Graduate$45,000$58,125$15,000
Less Than 9th Grade$0$0$0
Overall$46,750$59,219$35,500
Some College$39,750$85,000$36,875

$46,750

Average Earnings

$59,219

Average Male

$35,500

Average Female

St. Peter Earnings by Educational Attainment

St. Peter Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

St. Peter Language

99.16% of St. Peter residents speak only English, while 0.84% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 0.84% of the population.

St. Peter Language

St. Peter Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White2512911.55%

11.33%

Overall Poverty Rate

5.84%

Male Poverty Rate

17.65%

Female Poverty Rate

Poverty in St. Peter

The race most likely to be in poverty in St. Peter is White, with 11.55% below the poverty level.

The race least likely to be in poverty in St. Peter is White, with 11.55% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 23.68%, and for those that did not work, the poverty rate was 13.95%.

St. Peter Poverty

rate

Rate
Poverty
Less Than 9th Grade36.36%
Some College8.82%
High School8.45%
Bachelors or Greater0%

St. Peter Poverty Rate by Education

rate

Rate
Poverty
Male Employed1.64%
Male Unemployed0%
Female Employed10%
Female Unemployed0%

St. Peter Poverty Rate by Employment Status and Sex

St. Peter Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$72,000$85,942
Households$55,000$70,749
Married Families$81,250$-999,999,999
Non Families$25,833$45,562

mean

median

Income by Household Type

St. Peter Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

51.0%

Overall Marriage Rate

49.5%

Male Marriage Rate

52.6%

Female Marriage Rate

St. Peter Married by Age and Sex

male

female

St. Peter 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 55-64.

St. Peter Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

St. Peter Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

20

Number of Veterans

20

Male Veterans

0

Female Veterans

War
Veterans
Vietnam11
Second Gulf War4
First Gulf War0
Korea0
World War II0

St. Peter Veterans by War

count

Age Group
Veterans
65 to 748
75+8
18 to 344
35 to 540
55 to 640

St. Peter Veterans by Age

count

Name
Veterans
% of Total
White189.63%
2+ Races240%

St. Peter Veterans by Race

St. Peter Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

15%

Veteran Disability Rate

St. Peter Veterans by Education

LaborForceParticipation

54.1%

Labor Force Participation

54.1%

Employment Rate

0%

Unemployment Rate

St. Peter Employment by Age

LaborForceParticipation

St. Peter Employment by Race

LaborForceParticipation

St. Peter 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

89.06%

Born in St. Peter

100%

Native Born

0%

Foreign Born

0%

Non Citizen

0%

Naturalized

Place of Birth

100% of St. Peter residents were born in the United States, with 89.06% having been born in Illinois. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

St. Peter Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
2029306-2-0.65%
2028308-2-0.65%
2027310-1-0.32%
2026311-2-0.64%
2025313-2-0.63%
2024315-2-0.63%
2023317-1-0.31%
2022318-3-0.93%
2021321-1-0.31%
2020322-17-5.01%
2019339-1-0.29%
2018340-2-0.58%
2017342-3-0.87%
2016345-4-1.15%
2015349-1-0.29%
2014350-2-0.57%
201335210.28%
2012351-2-0.57%
201135300%
201035300%

St. Peter Population by Year