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 2026 population of 5,289. Weldon Spring is currently declining at a rate of -0.13% annually and its population has decreased by -0.83% since the most recent census, which recorded a population of 5,333 in 2020.

The median household income in Weldon Spring is $158,548 with a poverty rate of 0.74%. The median age in Weldon Spring is 52.2 years: 51.6 years for males, and 52.6 years for females. For every 100 females there are 98.7 males.

5.3K
Total Population
692
Density (mi²)
-7 -0.13%
Growth

Weldon Spring Population

Weldon Spring Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20265,289-7-0.13%
20255,296-8-0.15%
20245,304220.42%
20235,28230.06%
20225,279-32-0.6%
20215,311-22-0.41%
20205,33350.09%
20195,527-17-0.31%
20185,54410.02%
20175,543-1-0.02%
20165,544210.38%
20155,52370.13%
20145,516350.64%
20135,481320.59%
20125,449250.46%
20115,424-19-0.35%
20105,42290.17%
20005,27000%

Median Age

Overall: 52.2 years
Female: 52.6 years
Male: 51.6 years

Weldon Spring Adults

There are 4,249 adults, (1,512 of whom are seniors) in Weldon Spring.

Sex Ratio

Female: 2,673 (50.3%)
Male: 2,637 (49.7%)

Demographics

The racial composition of Weldon Spring includes 93.86% White, 3.84% Asian, and smaller percentages for Two or more races, Black or African American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White4,98493.86%
Asian2043.84%
Two or more races541.02%
Black or African American400.75%
Other race280.53%
Race
Population ↓
Percentage (of total)
White4,98493.86%
Asian2043.84%
Two or more races541.02%
Black or African American400.75%
Other race280.53%

Weldon Spring Marital Status

Economics and Income Statistics

Weldon Spring 's average per capita income is $107,000. Household income levels show a median of $158,548. The poverty rate stands at 0.74%.

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$200,446-
Families$184,792$244,348
Households$158,548$210,904
Non Families$65,463$73,097

$107,000

Average Income

$158,548

Median Household Income

0.74%

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)