Weldon Spring Flag

Weldon Spring

County Seat:
No
Area (mi²):
7.647
State:
Missouri

Weldon Spring is a city located in St. Charles County, Missouri. Weldon Spring has a 2025 population of 5,296 . Weldon Spring is currently declining at a rate of -0.15% annually and its population has decreased by -0.69% since the most recent census, which recorded a population of 5,333 in 2020.

The average household income in Weldon Spring is $202,410 with a poverty rate of 0.34%. The median age in Weldon Spring is 53.5 years: 52.3 years for males, and 55.2 years for females. For every 100 females there are 95.5 males.

5.3K
Total Population
693
Density (mi²)
-8 -0.15%
Growth

Weldon Spring Population

Weldon Spring Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Weldon Spring includes 92.38% White, 4.91% Asian, and smaller percentages for Two or more races, Black or African American and multiracial populations.

Population by Race

White (92.38%)

Asian (4.91%)

Two or more races (1.51%)

Black or African American (1.19%)

Race
Population
Percentage (of total)
White4,88892.38%
Asian2604.91%
Two or more races801.51%
Black or African American631.19%

Weldon Spring Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Weldon Spring's average per capita income is $108,090. Household income levels show a median of $155,081. The poverty rate stands at 0.34%.

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$194,531-
Families$190,486$237,485
Households$155,081$202,410
Non Families$56,250$72,617

$108,090

Average Income

$155,081

Median Household Income

0.34%

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)