St. Peters Flag

St. Peters

County Seat:
No
Area (mi²):
4.335
State:
Missouri

St. Peters is located in St. Charles County, Missouri. St. Peters has a 2025 population of 19,137 . St. Peters is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in St. Peters is $105,815 with a poverty rate of 5.18%. The median age in St. Peters is 38.7 years: 36.5 years for males, and 41.3 years for females. For every 100 females there are 96.4 males.

19.1K
Total Population
4,415
Density (mi²)

St. Peters Population

St. Peters Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of St. Peters includes 83.29% White, 5.74% Black or African American, and smaller percentages for Asian, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White (83.29%)

Two or more races (7.8%)

Black or African American (5.74%)

Asian (2.1%)

Other race (0.77%)

Native American (0.25%)

Native Hawaiian or Pacific Islander (0.06%)

Race
Population
Percentage (of total)
White15,94083.29%
Two or more races1,4937.8%
Black or African American1,0985.74%
Asian4012.1%
Other race1470.77%
Native American470.25%
Native Hawaiian or Pacific Islander110.06%

St. Peters Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

St. Peters' average per capita income is $52,782. Household income levels show a median of $93,730. The poverty rate stands at 5.18%.

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$115,214-
Families$107,077$120,867
Households$93,730$105,815
Non Families$56,200$68,842

$52,782

Average Income

$93,730

Median Household Income

5.18%

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)