Lafayette Flag

Lafayette

County Seat:
No
Area (mi²):
11.527
State:
Missouri

Lafayette is located in St. Louis County, Missouri. Lafayette has a 2025 population of 33,577 . Lafayette is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Lafayette is $167,886 with a poverty rate of 5.03%. The median age in Lafayette is 45.6 years: 43.6 years for males, and 47.5 years for females. For every 100 females there are 98.2 males.

33.6K
Total Population
2,913
Density (mi²)

Lafayette Population

Lafayette Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Lafayette includes 76.24% White, 10.78% Asian, 3.43% Black or African American, and smaller percentages for other race, Native American and multiracial populations.

Population by Race

White (76.24%)

Asian (10.78%)

Two or more races (8.17%)

Black or African American (3.43%)

Other race (1.31%)

Native American (0.07%)

Race
Population
Percentage (of total)
White25,60076.24%
Asian3,62110.78%
Two or more races2,7428.17%
Black or African American1,1523.43%
Other race4401.31%
Native American220.07%

Lafayette Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Lafayette's average per capita income is $80,309. Household income levels show a median of $132,342. The poverty rate stands at 5.03%.

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$169,276-
Families$163,453$202,005
Households$132,342$167,886
Non Families$57,522$72,307

$80,309

Average Income

$132,342

Median Household Income

5.03%

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)