Union Mill Flag

Union Mill

County:
Fairfax County
County Seat:
No
Area (mi²):
9.985
State:
Virginia

Union Mill is a CDP located in Fairfax County, Virginia. Union Mill has a 2026 population of 5,355. Union Mill is currently growing at a rate of 6.67% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Union Mill is $250,001 with a poverty rate of 4.44%. The median age in Union Mill is 47.3 years: 47.6 years for males, and 46.8 years for females. For every 100 females there are 92.4 males.

5.4K
Total Population
536
Density (mi²)
335 6.67%
Growth

Union Mill Population

Union Mill Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20265,3553356.67%
20255,0203347.13%

Median Age

Overall: 47.3 years
Female: 46.8 years
Male: 47.6 years

Union Mill Adults

There are 3,463 adults, (1,054 of whom are seniors) in Union Mill.

Sex Ratio

Female: 2,330 (52%)
Male: 2,154 (48%)

Demographics

The racial composition of Union Mill includes 45.56% White, 39.01% Asian, and smaller percentages for other race, Black or African American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,04345.56%
Asian1,74939.01%
Two or more races48810.88%
Other race1152.56%
Black or African American891.98%
Race
Population ↓
Percentage (of total)
Two or more races1804.01%
Other race711.58%
White260.58%
Race
Population ↓
Percentage (of total)
White2,01744.98%
Asian1,74939.01%
Two or more races3086.87%
Black or African American891.98%
Other race440.98%

Union Mill Marital Status

Economics and Income Statistics

Union Mill 's average per capita income is $113,542. Household income levels show a median of $250,001. The poverty rate stands at 4.44%.

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
Households$250,001$311,043
Families$250,001$338,543
Married Families$250,001-
Non Families-$84,043

$113,542

Average Income

$250,001

Median Household Income

4.44%

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)