St. Peters, Missouri Population 2023

59,042

St. Peters is a city located in St. Charles County Missouri. St. Peters has a 2023 population of 59,042. St. Peters is currently growing at a rate of 0.78% annually and its population has increased by 2.36% since the most recent census, which recorded a population of 57,678 in 2020.

The average household income in St. Peters is $98,290 with a poverty rate of 3.69%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in St. Peters is 40 years, 38.8 years for males, and 41.4 years for females.

St. Peters Demographics

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

  • White: 87.3%
  • Black or African American: 5.84%
  • Two or more races: 3.8%
  • Asian: 2.54%
  • Other race: 0.36%
  • Native American: 0.15%
  • Native Hawaiian or Pacific Islander: 0.01%
Land Area (mi²)
22.4 sq mi
Density (mi²)
2,635.30/sq mi
Growth Rate
0.78% (458)
Growth Since 2020
2.36% (1,364)
The current population of St. Peters, Missouri is 59,042 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 57,678.

St. Peters, Missouri Population 2023

Population by Race

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Race
Population
Percentage (of total)
White50,01287.3%
Black or African American3,3465.84%
Two or more races2,1783.8%
Asian1,4582.54%
Other race2040.36%
Native American840.15%
Native Hawaiian or Pacific Islander70.01%
showing: 7 rows

White

Black or African American

Two or more races

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

St. Peters Population by Race

St. Peters Population Pyramid 2023

St. Peters Median Age

40

Total

38.8

Male

41.4

Female

St. Peters Adults

There are 44,423 adults, (9,533 of whom are seniors) in St. Peters.

St. Peters Age Dependency

64.2

Age Dependency Ratio

27.3

Old Age Dependency Ratio

36.9

Child Dependency Ratio

St. Peters Sex Ratio

Female30,05352.46%
Male27,23647.54%

St. Peters Population by Age

St. Peters Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All23,0512.4882.417.6
Married12,3473.1993.76.3
Non Family7,9511.1967.432.6
Female1,9652.9777.322.7
Male7883.0971.728.3
showing: 5 rows

3.09

Average Family Size

2.48

Average Household Size

82.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

St. Peters 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

St. Peters Educational Attainment by Sex (over 25)

St. Peters Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 85.15%.

The highest rate of bachelors degrees is among asian people with a rate of 49.1%.

St. Peters Educational Attainment by Race

All

Male

Female

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$52,392

Average Earnings

$62,169

Average Male

$42,659

Average Female

St. Peters Earnings by Educational Attainment

St. Peters Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

St. Peters Language

95.13% of St. Peters residents speak only English, while 4.87% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 2.27% of the population.

St. Peters Language

St. Peters Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White48,8981,6193.31%
Black3,3001695.12%
Hispanic1,28016612.97%
Multiple2,1501456.74%
Asian1,458745.08%
Islander77100%
showing: 6 rows

3.69%

Overall Poverty Rate

3.34%

Male Poverty Rate

3.99%

Female Poverty Rate

Poverty in St. Peters

The race most likely to be in poverty in St. Peters is Islander, with 100% below the poverty level.

The race least likely to be in poverty in St. Peters is White, with 3.31% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.17%. Among those working part-time, it was 4.49%, and for those that did not work, the poverty rate was 6.76%.

St. Peters Poverty

rate

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Rate
Poverty
High School6.86%
Less Than 9th Grade5.9%
Some College3.21%
Bachelors or Greater1.12%
showing: 4 rows

St. Peters Poverty Rate by Education

rate

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Rate
Poverty
Female Unemployed10.2%
Male Unemployed3.08%
Female Employed2.04%
Male Employed1.65%
showing: 4 rows

St. Peters Poverty Rate by Employment Status and Sex

St. Peters Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

St. Peters Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

55.7%

Overall Marriage Rate

59.3%

Male Marriage Rate

52.4%

Female Marriage Rate

St. Peters Married by Age and Sex

male

female

St. Peters 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 35-44.

St. Peters Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

St. Peters Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

3,594

Number of Veterans

3,314

Male Veterans

280

Female Veterans

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St. Peters Veterans by War

count

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St. Peters Veterans by Age

count

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St. Peters Veterans by Race

St. Peters Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

1.56%

Veteran Poverty Rate

24.23%

Veteran Disability Rate

St. Peters Veterans by Education

LaborForceParticipation

70.3%

Labor Force Participation

67.8%

Employment Rate

3.4%

Unemployment Rate

St. Peters Employment by Age

LaborForceParticipation

St. Peters Employment by Race

LaborForceParticipation

St. Peters 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

73.29%

Born in St. Peters

97.54%

Native Born

3.29%

Foreign Born

1.75%

Non Citizen

1.54%

Naturalized

Place of Birth

97.54% of St. Peters residents were born in the United States, with 73.29% having been born in Missouri. 1.75% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

St. Peters Place of Birth

Note: data after 2021 is projected based on recent change

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Year
Population
Growth
Growth Rate
1940300-61,5676.17%
19604001001.45%
19705001002.26%
198015,70015,20041.15%
199045,77930,07911.3%
200051,3815,6021.16%
201052,575
201153,0915160.98%
201253,6075160.97%
201354,1235160.96%
201454,6395160.95%
201555,1555160.94%
201655,6715160.94%
201756,1875160.93%
201856,7035160.92%
201957,2195160.91%
202057,6784590.8%
202158,1294510.78%
202258,5844550.78%
202359,0424580.78%
202459,5044620.78%
202559,9694650.78%
202660,4384690.78%
202760,9114730.78%
202861,3874760.78%
202961,8674800.78%
showing: 26 rows

St. Peters Population by Year