Saint Peters, MO demographics:
population, income, and more

Total population
74,942
0.1% year-over-year change
Median household income
$96,393/yr
1.6% year-over-year change
Housing units
31,160
1.5% year-over-year change

Saint Peters population

How many people live in Saint Peters

Saint Peters is home to 74,942 residents, according to the most recent Census data. Gender-wise, 48.1% of Saint Peters locals are male, and 51.9% are female.

Total population
74,942
0.1% year-over-year change
Gender ratio
Male
48.1%
36,066
Female
51.9%
38,877
Value Percent YoY change
Male 36,066 48.1% 0.2%
Female 38,877 51.9% 0.1%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Saint Peters is 41, with the population distributed as follows: about 18.3% are children under 15, then 10.9% are in the 15 to 24 age group. Adults between 25 and 44 make up 26.5% of the population, while another 25.8% fall into the 45 to 64 bracket. Finally, around 18.4% are 65 or older.

Median age
40.9
Age breakdown
Under 15
18.3%
15 to 24
10.9%
25 to 44
26.5%
45 to 64
25.8%
Over 65
18.4%
Value Percent YoY change
Under 15 13,737 18.3% 0.2%
15 to 24 8,182 10.9% -3.5%
25 to 44 19,864 26.5% 2.1%
45 to 64 19,353 25.8% -2.4%
Over 65 13,806 18.4% 3.1%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

In Saint Peters, 96.2% of the population are US-born citizens, while 2.6% have gained naturalized citizenship. At the same time, 1.2% of residents are non-citizens. As for race, 85.9% of locals are Caucasian, 4.5% are African American and 2.1% have Asian roots. There’s also a share of 6.5% that includes residents with two or more races.

Citizenship
U.S.-born citizens
96.2%
Non-U.S.-born citizens
2.6%
Non-citizens
1.2%
Value Percent YoY change
U.S.-born citizens 72,102 96.2% -0.1%
Non-U.S.-born citizens 1,923 2.6% 4.6%
Non-citizens 917 1.2% 11.0%
Racial breakdown
White
85.9%
Black or African American
4.5%
American Indian and Alaska Native
0%
Asian
2.1%
Native Hawaiian and other Pacific Islander
0.1%
Two or more races
6.5%
Other
0.9%
Value Percent
White 64,373 85.9%
Black or African American 3,377 4.5%
American Indian and Alaska Native 41 0%
Asian 1,569 2.1%
Native Hawaiian and other Pacific Islander 45 0.1%
Two or more races 4,868 6.5%
Other 670 0.9%

Households in Saint Peters

A peek inside Saint Peters households

Saint Peters has 30,026 households, with an average of 2 members in each. Of these, 66% are families, while the remaining 34% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
30,026
0.9% year-over-year change
Average people per household
2
Non-family households
10,213
Family households
19,813
Value Percent YoY change
Non-family households 10,213 34% 3.6%
Family households 19,813 66% -0.4%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Saint Peters

The housing landscape of Saint Peters

Saint Peters's housing consists of 31,160 units, with 74.6% being detached single-family homes ideal for those wanting space. Attached options, including duplexes and townhouses, make up 7.3% and offer a more compact, shared living style. Then there are the multifamily buildings in the area, and for those seeking flexibility, non-traditional options like mobile homes account for 1.8% of the housing landscape.

Housing units
31,160
1.5% year-over-year change
Housing types
Value Percent
1 unit, detached 23,260 74.6%
1 unit, attached 2,268 7.3%
2 units 233 0.8%
3 or 4 units 1,701 5.5%
5 to 9 units 958 3.1%
10 to 19 units 1,021 3.3%
20 to 49 units 525 1.7%
50 or more units 620 2%
Mobile home 575 1.8%
Homes built since 2020
406
28.5% year-over-year change

The age of buildings in Saint Peters

In Saint Peters, the median construction year is 1987. About 0.8% of homes were built before the 1940s, with another 0.6% going up by 1949. Most development happened in the second half of the 20th century. Then, 14.5% of homes were added from 2000 to 2009, 9.6% between 2010 and 2019, and 1.3% are part of the newest wave of development.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 242 0.8% -3.2%
Built between 1940 and 1949 191 0.6% 40.4%
Built between 1950 and 1959 555 1.8% 1.8%
Built between 1960 and 1969 1,302 4.2% -0.2%
Built between 1970 and 1979 7,020 22.5% 1.1%
Built between 1980 and 1989 8,711 28% 1.1%
Built between 1990 and 1999 5,223 16.8% -2.5%
Built between 2000 and 2009 4,522 14.5% 2.4%
Built between 2010 and 2019 2,989 9.6% 5.6%
Built in 2020 or later 406 1.3% 28.5%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Saint Peters occupancy rates

Out of the 30,026 occupied housing units in Saint Peters, 81.3% are owner-occupied, while 18.7% are lived in by tenants. Meanwhile, 3.6% of all homes on the local market sit vacant.

Occupied housing units
30,026
0.9% year-over-year change
Occupancy breakdown
Renter occupied
5,625
Owner occupied
24,402
Value Percent YoY
change
Renter occupied 5,625 18.7% 8.7%
Owner occupied 24,402 81.3% -0.7%
Unoccupied housing units
3.6%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Saint Peters housing costs

Housing costs in Saint Peters come to a median of $1,391 per month, while tenants specifically pay a median gross rent of $1,349.

Median housing costs per month
$1,391/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Saint Peters
$1,349/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Saint Peters

Saint Peters education at a glance

About 28.5% of the population in Saint Peters went to high school, while 23.7% pursued college studies. Another 10.2% earned an associate degree and 23% hold a bachelor’s. Meanwhile, 13.3% went even further, earning a master’s or doctorate.

Education level
Value Percent YoY change
No high school 775 1.3% 2.4%
High school diploma 16,775 28.5% -0.3%
College diploma 13,928 23.7% -2.1%
Associate degree 5,966 10.2% 9.8%
Bachelor's degree 13,525 23% -0.2%
Graduate degree 7,812 13.3% 0.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Saint Peters

How much people earn in Saint Peters

The average annual household income in Saint Peters was $113,473 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a +1.7% change from the previous year. At the same time, the median income stood at $96,393, reflecting a +1.6% shift over the same period.

Average household income in Saint Peters
$113,473/year
1.7% year-over-year change
Median household income in Saint Peters
$96,393/year
1.6% year-over-year change

Saint Peters income by age

In Saint Peters, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $113,382. Those with someone between 45 and 64 in charge, often well established professionally, earn $117,853 overall. Younger households, where the main provider is under 25 and just starting out, report a median income of $71,125, while those led by someone over 65, many of whom may be retired, have about $58,343 in earnings. Overall, 95.2% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
Under 25 $71,125 4.5%
25 - 44 $113,382 3.6%
45 - 64 $117,853 2.1%
Over 65 $58,343 0.2%
Above poverty level
70,042
Below poverty level
3,521
Value Percent YoY
change
Above poverty level 70,042 95.2% -0.1%
Below poverty level 3,521 4.8% 4.1%

Employment in Saint Peters

Workforce and job types in Saint Peters

79% of the working population are employed in professional or administrative positions, while 21% are in hands-on or service-based jobs. Also, 6.1% run their own businesses, 73.2% are employed by private companies, and 11.2% work in the public sector.

Workforce demographics

White collar
32,064
Blue collar
8,504
Value Percent YoY change
White collar 32,064 79% 0.1%
Blue collar 8,504 21% -0.5%
Employer type
Self employees
6.1%
Private companies
73.2%
Governmental workers
11.2%
Not for profit companies
9.4%
Value Percent YoY change
Self employees 2,480 6.1% 2.3%
Private companies 29,698 73.2% 0.0%
Governmental workers 4,565 11.2% -2.3%
Not for profit companies 3,824 9.4% 1.0%

Transportation in Saint Peters

How people get around in Saint Peters

Commuting methods vary: 98.6% of residents travel by personal vehicle and 0.8% prefer to walk, while the remaining share relies on public transit or on two wheelers to get from A to B.

Means of transportation
Value Percent YoY change
Car 31,998 98.6% -2.9%
Taxicab 42 0.1% 320.0%
Bus or trolleybus 7 0% -50.0%
Motorcycle 92 0.3% 15.0%
Bicycle 46 0.1% 228.6%
Walk 256 0.8% 15.8%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Saint Peters by zipcode?

Zipcode Population Number of households Median income Average income
63376 74,962 30,034 $96,393 $113,490

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FAQs about Saint Peters demographics 

What is the total population of Saint Peters?

Saint Peters has a total population of 74,942 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by +0.1% compared to a year ago.

What is the gender ratio in Saint Peters?

The gender ratio in Saint Peters is as follows:
  • 48.1% males (36,066 residents)
  • 51.9% females (38,877 residents)

What is the median age in Saint Peters?

The median age in Saint Peters is 40.9.

What is the age distribution of the population in Saint Peters?

The age distribution in Saint Peters is as follows:
  • Under 15: 18.3% (13,737 residents)
  • Ages 15-24: 10.9% (8,182 residents)
  • Ages 25-44: 26.5% (19,864 residents)
  • Ages 45-64: 25.8% (19,353 residents)
  • Over 65: 18.4% (13,806 residents)

What is the racial and ethnic makeup of Saint Peters?

The racial and ethnic makeup of Saint Peters is as follows:
  • White: 85.9% (64,373 residents)
  • Black or African American: 4.5% (3,377 residents)
  • American Indian and Alaska Native: 0% (41 residents)
  • Asian: 2.1% (1,569 residents)
  • Native Hawaiian and Other Pacific Islander: 0.1% (45 residents)
  • Two or More Races: 6.5% (4,868 residents)
  • Other: 0.9% (670 residents)

What percentage of the population in Saint Peters are U.S.-born citizens?

U.S.-born citizens represent 96.2% of the population in Saint Peters.

How many housing units are there in Saint Peters?

There are 31,160 housing units in Saint Peters, reflecting a +1.5% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Saint Peters and what is the average household size?

Saint Peters has a total of 30,026 households, with an average of 2 people in each.

What is the median household income in Saint Peters?

Saint Peters has a median household income of $96,393, representing a +1.6% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Saint Peters?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 79% (32,064 residents)
  • Blue-collar workers: 21% (8,504 residents)

Places of employment:
  • Self-employed: 6.1% (2,480 residents)
  • Private companies: 73.2% (29,698 residents)
  • Governmental workers: 11.2% (4,565 residents)
  • Not-for-profit companies: 9.4% (3,824 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025