St. Peters, Missouri Population 2024

59,981

St. Peters Demographics

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

  • White: 85.79%
  • Two or more races: 5.46%
  • Black or African American: 5.36%
  • Asian: 2.41%
  • Other race: 0.81%
  • Native American: 0.13%
  • Native Hawaiian or Pacific Islander: 0.04%
Land Area (mi²)
22.5 sq mi
Density (mi²)
2,668.30/sq mi
Growth Since 2020
3.94% (2,273)
The current population of St. Peters, Missouri is 59,981 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 57,708.

Population by Race

Race
Population
Percentage (of total)
White49,92985.79%
Two or more races3,1765.46%
Black or African American3,1205.36%
Asian1,4032.41%
Other race4740.81%
Native American770.13%
Native Hawaiian or Pacific Islander210.04%

White

Two or more races

Black or African American

Asian

Other race

Native American

Native Hawaiian or Pacific Islander

St. Peters Population by Race

St. Peters Population Pyramid 2024

St. Peters Median Age

41.1

Total

39.4

Male

42.5

Female

St. Peters Adults

There are 45,782 adults, (10,901 of whom are seniors) in St. Peters.

St. Peters Age Dependency

66.9

Age Dependency Ratio

31.3

Old Age Dependency Ratio

35.6

Child Dependency Ratio

St. Peters Sex Ratio

Female30,80952.94%
Male27,39147.06%

St. Peters Population by Age

St. Peters Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All24,0092.4180.919.1
Married12,5073.1193.26.8
Non Family8,7941.2264.235.8
Female1,7572.980.219.8
Male9513.2175.224.8

3.02

Average Family Size

2.41

Average Household Size

80.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

St. Peters Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,0602.56%
Associates Degree3,8799.37%
Bachelors Degree10,44625.23%
Graduate Degree5,97914.44%
High School Graduate9,17722.17%
Less Than 9th Grade5311.28%
Some College10,32324.94%

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

Race
Total
High School
Bachelors
White36,15934,94914,028
Black2,1092,0001,050
2+ Races1,2021,172440
Hispanic1,0931,051475
Asian1,083883450
Other Race324302199
Native American777532

The highest rate of high school graduation is among 2+ races people with a rate of 97.5%.

The highest rate of bachelors degrees is among other race people with a rate of 61.42%.

St. Peters Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$68,430$84,568$52,764
Graduate Degree$79,991$101,222$72,191
High School Graduate$44,035$50,943$37,083
Less Than 9th Grade$35,761$37,011$24,783
Overall$57,856$69,140$46,849
Some College$46,857$56,220$41,747

$57,856

Average Earnings

$69,140

Average Male

$46,849

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

95.47% of St. Peters residents speak only English, while 4.53% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 1.65% of the population.

St. Peters Language

St. Peters Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White48,9642,3294.76%
Hispanic1,58627417.28%
Multiple3,1502337.4%
Black3,0701344.36%
Asian1,403906.41%
Other4745210.97%
Islander211047.62%

5.06%

Overall Poverty Rate

4.67%

Male Poverty Rate

5.41%

Female Poverty Rate

Poverty in St. Peters

The race most likely to be in poverty in St. Peters is Islander, with 47.62% below the poverty level.

The race least likely to be in poverty in St. Peters is Black, with 4.36% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.34%. Among those working part-time, it was 6.58%, and for those that did not work, the poverty rate was 10.25%.

St. Peters Poverty

rate

Rate
Poverty
Less Than 9th Grade13.12%
High School8.55%
Some College4.94%
Bachelors or Greater1.97%

St. Peters Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed10.56%
Female Employed3.24%
Male Employed2.19%
Male Unemployed2.02%

St. Peters Poverty Rate by Employment Status and Sex

St. Peters Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$110,861$125,808
Households$89,827$105,677
Married Families$124,399$-999,999,999
Non Families$49,723$66,259

mean

median

Income by Household Type

St. Peters Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

55.2%

Overall Marriage Rate

60.2%

Male Marriage Rate

50.8%

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 55-64, 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

3,628

Number of Veterans

3,348

Male Veterans

280

Female Veterans

War
Veterans
Vietnam1,335
Second Gulf War924
First Gulf War781
Korea123
World War II42

St. Peters Veterans by War

count

Age Group
Veterans
65 to 741,118
35 to 54821
55 to 64813
75+684
18 to 34192

St. Peters Veterans by Age

count

Name
Veterans
% of Total
White3,2017.98%
Black2239.13%
Hispanic13711.67%
2+ Races1066.44%
Asian363.19%
Other Race3610.81%
Native American2633.77%

St. Peters Veterans by Race

St. Peters Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

2.43%

Veteran Poverty Rate

26.98%

Veteran Disability Rate

St. Peters Veterans by Education

LaborForceParticipation

68.3%

Labor Force Participation

66.7%

Employment Rate

2.3%

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

72.2%

Born in St. Peters

96.81%

Native Born

3.19%

Foreign Born

1.32%

Non Citizen

1.87%

Naturalized

Place of Birth

96.81% of St. Peters residents were born in the United States, with 72.2% having been born in Missouri. 1.32% 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 2022 is projected based on recent change
Year
Population
Growth
Change
202962,8235690.91%
202862,2545680.92%
202761,6865680.93%
202661,1185690.94%
202560,5495680.95%
202459,9815680.96%
202359,4138901.52%
202258,5233140.54%
202158,2095010.87%
202057,708-450-0.77%
201958,1581,0541.85%
201857,104-77-0.13%
201757,181-4-0.01%
201657,1854250.75%
201556,7607301.3%
201456,0301,1902.17%
201354,8407671.42%
201254,0736531.22%
201153,4206221.18%
201052,79800%
200051,3815,60212.24%
199045,77930,079191.59%
198015,70015,2003040%
197050010025%
196040010033.33%
1940300-62,523-99.52%

St. Peters Population by Year