Byrnes Mill Flag

Byrnes Mill

County Seat:
No
Area (mi²):
5.141
State:
Missouri

Byrnes Mill is a city located in Jefferson County, Missouri. Byrnes Mill has a 2025 population of 3,191 . Byrnes Mill is currently growing at a rate of 0.06% annually and its population has increased by 0.38% since the most recent census, which recorded a population of 3,179 in 2020.

The average household income in Byrnes Mill is $99,181 with a poverty rate of 20.14%. The median age in Byrnes Mill is 39.2 years: 40.6 years for males, and 37.5 years for females. For every 100 females there are 110.1 males.

3.2K
Total Population
621
Density (mi²)
2 0.06%
Growth

Byrnes Mill Population

Byrnes Mill Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Byrnes Mill includes 87.47% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

White (87.47%)

Two or more races (10.95%)

Black or African American (1.58%)

Race
Population
Percentage (of total)
White2,77187.47%
Two or more races34710.95%
Black or African American501.58%

Byrnes Mill Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Byrnes Mill's average per capita income is $58,393. Household income levels show a median of $87,663. The poverty rate stands at 20.14%.

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$126,369-
Families$115,144$114,540
Households$87,663$99,181
Non Families$37,227$61,280

$58,393

Average Income

$87,663

Median Household Income

20.14%

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)