St. Peters Flag

St. Peters

County Seat:
No
Area (mi²):
22.479
State:
Missouri

St. Peters is a city located in St. Charles County, Missouri. St. Peters has a 2026 population of 63,243. St. Peters is currently growing at a rate of 1.48% annually and its population has increased by 9.59% since the most recent census, which recorded a population of 57,707 in 2020.

The median household income in St. Peters is $91,637 with a poverty rate of 5.65%. The median age in St. Peters is 41 years: 39.5 years for males, and 42.4 years for females. For every 100 females there are 89.2 males.

63.2K
Total Population
2,813
Density (mi²)
923 1.48%
Growth

St. Peters Population

St. Peters Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202663,2439231.48%
202562,3209221.5%
202461,3981,7983.02%
202359,6001,0401.78%
202258,5603440.59%
202158,2164870.84%
202057,707-451-0.78%
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%
201052,7982230.42%
200051,3815,60212.24%
199045,77930,079191.59%
198015,70015,2003040%
197050010025%
196040010033.33%
194030000%

Median Age

Overall: 41 years
Female: 42.4 years
Male: 39.5 years

St. Peters Adults

There are 46,748 adults, (11,461 of whom are seniors) in St. Peters.

Sex Ratio

Female: 31,235 (52.9%)
Male: 27,857 (47.1%)

Demographics

The racial composition of St. Peters includes 85.94% White, 4.82% Black or African American, and smaller percentages for Asian, other race, Native Hawaiian or Pacific Islander, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White50,78485.94%
Two or more races3,3035.59%
Black or African American2,8484.82%
Asian1,5132.56%
Other race5710.97%
Native Hawaiian or Pacific Islander450.08%
Native American280.05%
Race
Population ↓
Percentage (of total)
Two or more races5620.95%
White5480.93%
Other race4730.8%
Black or African American1060.18%
Native American240.04%
Race
Population ↓
Percentage (of total)
White50,23685.01%
Black or African American2,7424.64%
Two or more races2,7414.64%
Asian1,5132.56%
Other race980.17%
Native Hawaiian or Pacific Islander450.08%
Native American40.01%

St. Peters Marital Status

Economics and Income Statistics

St. Peters ' average per capita income is $59,890. Household income levels show a median of $91,637. The poverty rate stands at 5.65%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$124,000-
Families$112,081$128,096
Households$91,637$107,714
Non Families$52,808$68,449

$59,890

Average Income

$91,637

Median Household Income

5.65%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)