Union Mill is a city located in Fairfax County and Fairfax city Virginia. Union Mill has a 2024 population of 4,242. Union Mill is currently declining at a rate of -0.7% annually and its population has decreased by -2.75% since the most recent census, which recorded a population of 4,362 in 2020.
The average household income in Union Mill is $300,620 with a poverty rate of 3.32%. The median age in Union Mill is 43.2 years: 41.8 years for males, and 44.3 years for females.
According to the most recent ACS, the racial composition of Union Mill was:
White
Asian
Two or more races
Other race
Black or African American
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 1,328 | 3.24 | 91.9 | 8.1 |
| Married | 1,043 | 3.71 | 98.9 | 1.1 |
| Non Family | 230 | 1.24 | 58.3 | 41.7 |
| Female | 55 | 2.62 | 100 | 0 |
| Male | 0 | 0 | 0 | 0 |
3.63
Average Family Size
3.24
Average Household Size
91.9%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among black people with a rate of 100%.
The highest rate of bachelors degrees is among 2+ races people with a rate of 88.3%.
All
Male
Female
$109,986
Average Earnings
$139,946
Average Male
$101,016
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
63.56% of Union Mill residents speak only English, while 36.44% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 17.49% of the population.
rate
3.32%
Overall Poverty Rate
2.2%
Male Poverty Rate
4.34%
Female Poverty Rate
The race most likely to be in poverty in Union Mill is Other, with 72.22% below the poverty level.
The race least likely to be in poverty in Union Mill is White, with 2.17% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.93%. Among those working part-time, it was 7.55%, and for those that did not work, the poverty rate was 6.69%.
Married
Widowed
Divorced
Separated
NeverMarried
67.4%
Overall Marriage Rate
71.2%
Male Marriage Rate
64.1%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
11.47%
Veteran Disability Rate
LaborForceParticipation
66.4%
Labor Force Participation
65.3%
Employment Rate
0.4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
33.8%
Born in Union Mill
67.88%
Native Born
32.12%
Foreign Born
7.37%
Non Citizen
24.76%
Naturalized
67.88% of Union Mill residents were born in the United States, with 33.8% having been born in Virginia. 7.37% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.