St. Peters, MO
Demographics And Statistics

Demographics | Crime | Cost Of Living
Updated: 2025-10-25

Living In St. Peters, Missouri Summary

Life in St. Peters research summary. HomeSnacks has been using Saturday Night Science to research the quality of life in St. Peters over the past nine years using Census, FBI, Zillow, and other primary data sources. Based on the most recently available data, we found the following about life in St. Peters:

  • The population in St. Peters is 58,200.

  • The median home value in St. Peters is $308,917.

  • The median income in St. Peters is $89,827.

  • The cost of living in St. Peters is 96 which is 1.0x lower than the national average.

  • The median rent in St. Peters is $1,291.

  • The unemployment rate in St. Peters is 2.3%.

  • The poverty rate in St. Peters is 5.1%.

  • The average high in St. Peters is 65.7° and the average low is 45.4°.

St. Peters SnackAbility

8.5
Overall SnackAbility
Jobs
8.5/10
Housing
8
Affordability
8.5
Diversity
6
Safety
6
Amenities
9
Education
8.5
Commute
8

St. Peters, MO Crime Report

Crime in St. Peters summary. We use data from the FBI to determine the crime rates in St. Peters. Key points include:

  • There were 759 total crimes in St. Peters in the last reporting year.

  • The overall crime rate per 100,000 people in St. Peters is 1,265.1 / 100k people.

  • The violent crime rate per 100,000 people in St. Peters is 206.7 / 100k people.

  • The property crime rate per 100,000 people in St. Peters is 1,058.5 / 100k people.

  • Overall, crime in St. Peters is -40.30% below the national average.

759
Total Crimes
-40.30%
Below National Average

Crime In St. Peters Comparison Table

Statistic Count
Raw
St. Peters
/ 100k People
Missouri
/ 100k People
National
/ 100k People
Total Crimes Per 100K 759 1,265.1 2,403.3 2,119.2
Violent Crime 124 206.7 462.0 359.0
Murder 1 1.7 7.8 5.0
Robbery 8 13.3 51.5 61.0
Aggravated Assault 99 165.0 357.5 256.0
Property Crime 635 1,058.5 1,941.2 1,760.0
Burglary 37 61.7 236.3 229.0
Larceny 541 901.8 1,306.5 1,272.0
Car Theft 57 95.0 398.4 259.0

St. Peters, MO Cost Of Living

Cost of living in St. Peters summary. We use data on the cost of living to determine how expensive it is to live in St. Peters. Real estate prices drive most of the variance in cost of living around Missouri. Key points include:

  • The cost of living in St. Peters is 96 with 100 being average.

  • The cost of living in St. Peters is 1.0x lower than the national average.

  • The median home value in St. Peters is $308,917.

  • The median income in St. Peters is $89,827.

96
St. Peters's Overall Cost Of Living
1.0x
Lower Than The National Average

Cost Of Living In St. Peters Comparison Table

Living Expense St. Peters Missouri National Average
Overall 96 88 100
Services 93 93 100
Groceries 97 96 100
Health 87 91 100
Housing 104 78 100
Transportation 92 90 100
Utilities 102 99 100

St. Peters, MO Weather

  • The average high in St. Peters is 65.7° and the average low is 45.4°.

  • There are 66.8 days of precipitation each year.

  • Expect an average of 42.3 inches of precipitation each year with 14.5 inches of snow.

StatSt. Peters
Average Annual High65.7
Average Annual Low45.4
Annual Precipitation Days66.8
Average Annual Precipitation42.3
Average Annual Snowfall14.5
65.7°
Average High
66.8
Days of Rain

St. Peters, MO Photos

St
Source: Wikipedia User Shane52sk at English Wiki | GFDL
St
Source: Wikipedia
Greaterstl
Source: Public Domain

Rankings for St. Peters in Missouri

Locations Around St. Peters

Map Of St. Peters, MO

Best Places Around St. Peters

1

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Population 35,168

2

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Population 30,835

3

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Population 49,591

4

O'Fallon, MO
Population 92,697

5

Dardenne Prairie, MO
Population 13,137

6

Town and Country, MO
Population 11,605

7

Kirkwood, MO
Population 29,302

8

Glendale, MO
Population 6,111

9

Weldon Spring, MO
Population 5,291

10

Old Jamestown, MO
Population 21,121

St. Peters Demographics And Statistics

Population over time in St. Peters

The current population in St. Peters is 58,200. The population has increased 10.1% from 2010.

Year Population % Change
2023 58,200 0.9%
2022 57,692 0.7%
2021 57,289 -0.4%
2020 57,536 0.5%
2019 57,273 0.8%
2018 56,838 0.8%
2017 56,375 1.0%
2016 55,820 1.2%
2015 55,135 1.7%
2014 54,236 1.2%
2013 53,589 0.8%
2012 53,190 0.5%
2011 52,946 0.2%
2010 52,850 -

Race / Ethnicity in St. Peters

White
84.9% (49,385)
African American
5.3% (3,069)
American Indian
0.0% (17)
Asian
2.4% (1,403)
Hawaiian
0.0% (21)
Other
0.1% (33)
Two Or More
4.6% (2,660)
Hispanic
2.8% (1,612)

St. Peters is:

  • 84.9% White with 49,385 White residents.

  • 5.3% African American with 3,069 African American residents.

  • 0.0% American Indian with 17 American Indian residents.

  • 2.4% Asian with 1,403 Asian residents.

  • 0.0% Hawaiian with 21 Hawaiian residents.

  • 0.1% Other with 33 Other residents.

  • 4.6% Two Or More with 2,660 Two Or More residents.

  • 2.8% Hispanic with 1,612 Hispanic residents.

Race St. Peters MO USA
White 84.9% 76.8% 58.2%
African American 5.3% 11.0% 12.0%
American Indian 0.0% 0.2% 0.5%
Asian 2.4% 2.1% 5.7%
Hawaiian 0.0% 0.1% 0.2%
Other 0.1% 0.4% 0.5%
Two Or More 4.6% 4.4% 3.9%
Hispanic 2.8% 5.1% 19.0%

Gender in St. Peters

Female
52.9% (30,809)
Male
47.1% (27,391)
  • St. Peters is 52.9% female with 30,809 female residents.

  • St. Peters is 47.1% male with 27,391 male residents.

Gender St. Peters MO USA
Female 52.9% 50.7% 50.5%
Male 47.1% 49.3% 49.5%

Highest level of educational attainment in St. Peters for adults over 25

  • 2.0% of adults in St. Peters completed < 9th grade.

  • 3.0% of adults in St. Peters completed 9-12th grade.

  • 22.0% of adults in St. Peters completed high school / ged.

  • 25.0% of adults in St. Peters completed some college.

  • 9.0% of adults in St. Peters completed associate's degree.

  • 25.0% of adults in St. Peters completed bachelor's degree.

  • 12.0% of adults in St. Peters completed master's degree.

  • 1.0% of adults in St. Peters completed professional degree.

  • 1.0% of adults in St. Peters completed doctorate degree.

< 9th Grade
2.0% (1,164)
9-12th Grade
3.0% (1,746)
High School / GED
22.0% (12,804)
Some College
25.0% (14,550)
Associate's Degree
9.0% (5,238)
Bachelor's Degree
25.0% (14,550)
Master's Degree
12.0% (6,984)
Professional Degree
1.0% (582)
Doctorate Degree
1.0% (582)
Education St. Peters MO USA
< 9th Grade 2.0% 3.0% 5.0%
9-12th Grade 3.0% 6.0% 6.0%
High School / GED 22.0% 30.0% 26.0%
Some College 25.0% 21.0% 19.0%
Associate's Degree 9.0% 8.0% 9.0%
Bachelor's Degree 25.0% 20.0% 21.0%
Master's Degree 12.0% 9.0% 10.0%
Professional Degree 1.0% 2.0% 2.0%
Doctorate Degree 1.0% 1.0% 2.0%

Household Income For St. Peters, Missouri

  • 2.4% of households in St. Peters earn Less than $10,000.

  • 1.2% of households in St. Peters earn $10,000 to $14,999.

  • 5.3% of households in St. Peters earn $15,000 to $24,999.

  • 4.5% of households in St. Peters earn $25,000 to $34,999.

  • 12.1% of households in St. Peters earn $35,000 to $49,999.

  • 16.5% of households in St. Peters earn $50,000 to $74,999.

  • 14.2% of households in St. Peters earn $75,000 to $99,999.

  • 22.1% of households in St. Peters earn $100,000 to $149,999.

  • 12.9% of households in St. Peters earn $150,000 to $199,999.

  • 8.9% of households in St. Peters earn $200,000 or more.

Less than $10,000
2.4% (139,870)
$10,000 to $14,999
1.2% (67,874)
$15,000 to $24,999
5.3% (305,920)
$25,000 to $34,999
4.5% (264,468)
$35,000 to $49,999
12.1% (704,925)
$50,000 to $74,999
16.5% (960,667)
$75,000 to $99,999
14.2% (825,160)
$100,000 to $149,999
22.1% (1,286,949)
$150,000 to $199,999
12.9% (748,559)
$200,000 or more
8.9% (515,604)
Income St. Peters MO USA
Less than $10,000 2.4% 4.8% 4.9%
$10,000 to $14,999 1.2% 4.0% 3.6%
$15,000 to $24,999 5.3% 7.6% 6.6%
$25,000 to $34,999 4.5% 7.9% 6.8%
$35,000 to $49,999 12.1% 12.2% 10.4%
$50,000 to $74,999 16.5% 17.5% 15.7%
$75,000 to $99,999 14.2% 13.3% 12.7%
$100,000 to $149,999 22.1% 16.9% 17.4%
$150,000 to $199,999 12.9% 7.7% 9.3%
$200,000 or more 8.9% 8.1% 12.6%

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