Demographics in St. Peters, MO

Population, age, race, ethnicity, and household statistics — 2023 ACS Data

Where is St. Peters?

Loading map…

Population

Source: U.S. Census Bureau ACS (2023)

Total Population

58,200

Male

27,391

47.1%

Female

30,809

52.9%

Median Age

41.1

Race & Ethnicity

Source: U.S. Census Bureau ACS (2023)
White
85.8%
Black
5.4%
Hispanic
2.8%
Asian
2.4%
Two or More
5.5%
Other
0.8%

Education & Household

Source: U.S. Census Bureau ACS (2023)

Bachelor's or Higher

28.2%

High School or Higher

44.0%

Foreign Born

3.2%

Veterans

6.2%

Married

46.1%

Avg Household Size

2.4

Marital Status by Age

Source: U.S. Census Bureau ACS (2023)

St. Peters, MO has a population of 58,200 with a median age of 41.1. The racial makeup is 85.8% White, 2.8% Hispanic, 5.4% Black, 2.4% Asian. About 28.2% of residents hold a bachelor's degree or higher. The foreign-born population is 3.2%.