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Welcome to Loudoun County ...

Time Zone: Loudoun County lies in the Eastern Time Zone (EST/EDT) and observes daylight saving time.

The community of Leesburg is the Seat for Loudoun County.

Loudoun County was founded in 1757.

From the Census Estimates for 2019, <1> Loudoun had a population of 413,538 people. This is an increase of 31.08% since the last Census (which gave a population of 315,478 people in 2010).

At the time of the 2010 Census, Loudoun represented 3.94% of the total population of Virginia.

Below are some of the communities located in Loudoun County:

  • Hamilton
    (7 miles [11.3 km] to the northwest)
    • Note: We haven't been able to verify our GPS coordinates for Hamilton. Although the coordinates have been estimated, they should be in the vicinity.<2>
    • Jump to our Gazetteer entry for Hamilton
    • Hamilton is located in Loudoun County (VA)
    • Population from the 2020 Census: 630 people
    • Jump to TripAdvisor's Tourism page for Hamilton <3>
  • Hillsboro
    (12 miles [19.3 km] to the northwest)
    • Note: The GPS coordinates that we are using for Hillsboro have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Hillsboro
    • Hillsboro is located in Loudoun County (VA)
    • Population from the 2020 Census: 169 people
    • Jump to TripAdvisor's Tourism page for Hillsboro <3>
  • Leesburg
    (2 miles [3.2 km] to the north)
    • Note: The GPS coordinates that we are using for Leesburg have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Leesburg
    • Leesburg is located in Loudoun County (VA)
    • Population from the 2020 Census: 54,488 people
    • Jump to TripAdvisor's Tourism page for Leesburg <3>
  • Lovettsville
    (14 miles [22.5 km] to the north)
  • Middleburg
    (11 miles [17.7 km] to the southwest)
  • Purcellville
    (9 miles [14.5 km] to the northwest)
  • Round Hill
    (11 miles [17.7 km] to the northwest)
    • Note: The GPS coordinates that we are using for Round Hill have been provided by the GNIS.<4> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Round Hill
    • Round Hill is located in Loudoun County (VA)
    • Population from the 2020 Census: 657 people
    • Jump to TripAdvisor's Tourism page for Round Hill <3>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>An 'estimated' location is one where we have been given GPS coordinates, but are unable to verify the accuracy of those coordinates. That said, we have some confidence that we have placed the marker near the actual location. A typical reason for being unable to verify a location is that it might be on private property or maybe historic and gone without an obvious trace.
<3>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<4>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
 

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This page was last modified/updated: 17 Jul 2025