Chesterfield Flag

Chesterfield

County Seat:
No
Area (mi²):
31.811
State:
Missouri

Chesterfield is a city located in St. Louis County, Missouri. Chesterfield has a 2026 population of 49,223. Chesterfield is currently declining at a rate of -0.25% annually and its population has decreased by -1.45% since the most recent census, which recorded a population of 49,949 in 2020.

The median household income in Chesterfield is $133,037 with a poverty rate of 3.92%. The median age in Chesterfield is 47.2 years: 44.3 years for males, and 49.5 years for females. For every 100 females there are 94.3 males.

49.2K
Total Population
1,547
Density (mi²)
-121 -0.25%
Growth

Chesterfield Population

Demographics

Economics and Income Statistics

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)