Old Jamestown Flag

Old Jamestown

County Seat:
No
Area (mi²):
14.946
State:
Missouri

Old Jamestown is a CDP located in St. Louis County, Missouri. Old Jamestown has a 2025 population of 20,688. Old Jamestown is currently growing at a rate of 0.49% annually and its population has increased by 5.54% since the most recent census, which recorded a population of 19,602 in 2020.

The average household income in Old Jamestown is $119,151 with a poverty rate of 6.13%.The median age in Old Jamestown is 39.7 years: 37.5 years for males, and 41.6 years for females.

20.7K
Total Population
1,384
Density (mi²)
100 0.49%
Growth

Old Jamestown 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)