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 2026 population of 3,194. Byrnes Mill is currently growing at a rate of 0.09% annually and its population has increased by 0.47% since the most recent census, which recorded a population of 3,179 in 2020.

The median household income in Byrnes Mill is $98,576 with a poverty rate of 21.14%. The median age in Byrnes Mill is 37.9 years: 37.5 years for males, and 38 years for females. For every 100 females there are 113.0 males.

3.2K
Total Population
621
Density (mi²)
3 0.09%
Growth

Byrnes Mill Population

Byrnes Mill Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20263,19430.09%
20253,19120.06%
20243,189-8-0.25%
20233,197180.57%
20223,17900%
20213,17900%
20203,17950.16%
20193,00690.3%
20182,997140.47%
20172,983321.08%
20162,951481.65%
20152,903572%
20142,846381.35%
20132,808180.65%
20122,79070.25%
20112,78320.07%
20102,78110.04%

Median Age

Overall: 37.9 years
Female: 38 years
Male: 37.5 years

Byrnes Mill Adults

There are 2,390 adults, (497 of whom are seniors) in Byrnes Mill.

Sex Ratio

Female: 1,497 (46.9%)
Male: 1,692 (53.1%)

Demographics

The racial composition of Byrnes Mill includes 85.45% White, and smaller percentages for Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,72585.45%
Two or more races40412.67%
Black or African American601.88%
Race
Population ↓
Percentage (of total)
Two or more races140.44%
Race
Population ↓
Percentage (of total)
White2,72585.45%
Two or more races39012.23%
Black or African American601.88%

Byrnes Mill Marital Status

Economics and Income Statistics

Byrnes Mill 's average per capita income is $61,939. Household income levels show a median of $98,576. The poverty rate stands at 21.14%.

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$133,770-
Families$126,574$118,657
Households$98,576$107,382
Non Families$43,598$65,442

$61,939

Average Income

$98,576

Median Household Income

21.14%

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)