Union Mill Virginia Map

About Union Mill, Virginia

Union Mill is a locality in Fairfax County, Virginia, United States. It has a population of approximately 4,484. The population density is 168.2 people per km². Union Mill is located at 38.7978°N, 77.3815°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 22039.

Union Mill rests in a landscape where the gently rolling terrain, softened by centuries of cultivation and woodland, hints at the patient hand of nature. It lies 3.9 miles south-east of Centreville, VA (from Centreville, VA: bearing 139°T), and is situated 8.8 miles north-north-west of Lake Ridge. Dense stands of oak and hickory, their leaves rustling with a sound like whispered secrets, give way to open meadows where wildflowers bloom in fleeting bursts of color. The air here, especially in the late afternoon, carries a clean, earthy scent, a blend of damp soil and the faint sweetness of pine needles. Small streams, their waters clear and cool, meander through the land, carving shallow valleys and reflecting the shifting patterns of the sky above. The history of Union Mill is interwoven with the very mills that once harnessed the power of these waterways, transforming raw timber into lumber for a growing region. Its economy, once anchored by these industrial endeavors, has since broadened, embracing a more diversified approach that includes local businesses and a connection to the broader agricultural heritage of Fairfax County. The echoes of its past can still be felt in the sturdy, old buildings that stand as quiet witnesses to its industrious spirit, a stark contrast to the more modern developments that have sprung up around it.

About This Union Mill Map Page

This page provides an embedded street and satellite map of Union Mill, Virginia — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 38.7978, -77.3815. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Union Mill and Fairfax County.

Detailed location data for Union Mill includes the ZIP code (20124), telephone area code (571, 703), county seat of Fairfax County (Fairfax), and school district assignment (Fairfax County Public Schools). These are among the most commonly searched location details for any US city or town.

Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Union Mill is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.