Marlborough Flag

Marlborough

County Seat:
No
Area (mi²):
0.227
State:
Missouri

Marlborough is a village located in St. Louis County, Missouri. Marlborough has a 2026 population of 2,178. Marlborough is currently declining at a rate of -0.27% annually and its population has decreased by -1.76% since the most recent census, which recorded a population of 2,217 in 2020.

The median household income in Marlborough is $50,300 with a poverty rate of 4.64%. The median age in Marlborough is 32.3 years: 31.8 years for males, and 34.4 years for females. For every 100 females there are 78.0 males.

2.2K
Total Population
9,590
Density (mi²)
-6 -0.27%
Growth

Marlborough Population

Marlborough Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,178-6-0.27%
20252,184-7-0.32%
20242,19150.23%
20232,186-3-0.14%
20222,189-17-0.77%
20212,206-11-0.5%
20202,217-1-0.05%
20192,146-1-0.05%
20182,147-2-0.09%
20172,149-2-0.09%
20162,151-8-0.37%
20152,15910.05%
20142,15810.05%
20132,157-1-0.05%
20122,15820.09%
20112,156-23-1.06%
20102,15200%

Median Age

Overall: 32.3 years
Female: 34.4 years
Male: 31.8 years

Marlborough Adults

There are 1,986 adults, (321 of whom are seniors) in Marlborough.

Sex Ratio

Female: 1,212 (56.2%)
Male: 945 (43.8%)

Demographics

The racial composition of Marlborough includes 72.93% White, 12.47% Black or African American, 3.43% Asian, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White1,57372.93%
Black or African American26912.47%
Two or more races24111.17%
Asian743.43%
Race
Population ↓
Percentage (of total)
Two or more races1697.83%
Black or African American281.3%
Race
Population ↓
Percentage (of total)
White1,57372.93%
Black or African American24111.17%
Asian743.43%
Two or more races723.34%

Marlborough Marital Status

Economics and Income Statistics

Marlborough 's average per capita income is $42,143. Household income levels show a median of $50,300. The poverty rate stands at 4.64%.

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$111,772-
Families$110,980$105,958
Households$50,300$65,698
Non Families$32,210$40,087

$42,143

Average Income

$50,300

Median Household Income

4.64%

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)