Population & Demographics
St. Charles, MO
St. Charles is home to 71,508 people. Explore its demographics, housing, and economy — plus how its 37,693 resident workers commute each day.
71,508 residents
Median age 38.6 · U.S. Census Bureau, ACS 5-Year (2024).
St. Charles population & demographics
Who lives in St. Charles — population, age, housing, and income, from the U.S. Census Bureau.
Source: U.S. Census Bureau, American Community Survey (ACS) 2024 5-Year Estimates. Values shown as “—” are suppressed or unavailable for this place.
Race & ethnicity in St. Charles
How St. Charles breaks down by race and ethnicity — each bar is that group’s share of the population, from the U.S. Census Bureau ACS 5-Year (2024).
Race across St. Charles
Each dot is a group of people, placed in their 2020 Census block and colored by race or ethnicity — the pattern shows where groups live across St. Charles.
These figures are for St. Charles proper — the Census place within its city limits — not the surrounding metro area. Metro-wide totals you’ll see elsewhere are larger because they bundle in neighboring cities and suburbs.
How St. Charles commutes
Every dot is a worker moving between home and job. Trace where the area pulls people in from — and where its residents head each day.
68 / 100
How short the typical commute is here, on an absolute 0–100 scale (higher is shorter). How it’s calculated.
St. Charles
37,693 commutes, one dot at a time
St. Charles
Where 37,693 workers commute
Where residents work
Top destinations for people who live in St. Charles, by worker count.
Who commutes in
Top origin places for workers who travel into St. Charles.
Top industries
The sectors that employ St. Charles’s workforce. Each bar is scaled to that sector’s share of all local jobs — the top sectors shown don’t add up to 100%.
Internet options for St. Charles
Researching a move to St. Charles? Compare home internet plans and providers for the area.
FindBetterInternet is a CensusFlow partner site — we link out so you can compare local plans, and CensusFlow’s Census data stays independent.