Loudoun County, Virginia
Loudoun County: county in Virginia, United States.
About
Loudoun County is a county located in the U.S. state of Virginia. As of the 2010 census, the population was 312,311 and a population density of 231 people per km². After 10 years in 2020 county had an estimated population of 422,784 inhabitants. Its county seat is Leesburg. The county was created 269 years ago in 1756.
County Snapshot
Loudoun County at a glance
Loudoun County currently has 3 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
3
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Virginia counties
133
Open related pagesLargest city
LeesburgPopulation 54,488
Top linked places
Quick Facts about Loudoun County
| Population | 422,784 (2020) |
| Country | United States of America |
| State | Virginia (United States) |
| Twitter username | loudouncogovt |
| Area | 1350 km2 |
| Water as percent of area | 1.1% |
| Land as percent of area | 98.9% |
| Latitude & Longitude | 39.0907,-77.6357 |
| Legislative body | Loudoun County Board of Supervisors |
| Named for | John Campbell, 4th Earl of Loudoun |
| Altitude | 715 feet / 218 meters |
| Capital | Leesburg |
| Establishment | January 01, 1757 |
| Time Zone | America/New_York |
| Local time | 10:44:14 (23rd September 2026) |
| Density | 313 Pop. per km² as of 2020 |
| Population growth | 35.37% (2010-2020) |
| Weather | 62℉ Rain 7-days weather |
Geography
Loudoun County is located at 39°5'26"N 77°38'9"W (39.0906800, -77.6357200). It has 8 neighbors: Frederick County, Montgomery County, Washington County, Clarke County, Fairfax County, Fauquier County, Prince William County and Jefferson County.
Loudoun County map
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The largest city of Loudoun County is Leesburg with a population of 54,488. Other cities include, Purcellville population 10,285 and Lovettsville population 2,267. See all Loudoun County cities & populated places.
Loudoun County Populated Places
Cities, towns, neighborhoods & other populated places in Loudoun County.
| City Name | Population | Title |
|---|---|---|
| Leesburg | 54,488 | Historic town within and the county seat of Loudoun County, Virginia, United States |
| Purcellville | 10,285 | Town in Virginia |
| Lovettsville | 2,267 | Town of the United States |
Weather
Rain. Cloudy, with a high near 62. Northeast wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
7-Day Forecast- Leesburg
Demographics
The population of Loudoun County increased by 35.37% in 10 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 312,311 | - | census |
| 2011 | 326,327 | 4.49% | estimation process |
| 2012 | 337,847 | 3.53% | estimation process |
| 2013 | 349,915 | 3.57% | estimation process |
| 2014 | 362,206 | 3.51% | estimation process |
| 2015 | 374,014 | 3.26% | estimation process |
| 2016 | 385,546 | 3.08% | estimation process |
| 2017 | 397,049 | 2.98% | estimation process |
| 2018 | 405,522 | 2.13% | estimation process |
| 2019 | 413,538 | 1.98% | estimation process |
| 2020 | 422,784 | 2.24% | estimation process |
People born in Loudoun County (28)
People born in Loudoun County, including politician Alfred H. Powell, Union United States Army officer George Washington Emery Dorsey, politician Christopher Greenup, .
More notable people
- Eli H. Janney (American mechanical engineer) he was born in 12/11/1831
- Robert Ludwell Yates Peyton (Confederate Army officer and politician (1822-1863)) he was born in 08/02/1822
- Robert H. Chilton (Confederate Army general) he was born in 25/02/1815
- John Long (American politician (1785-1857)) he was born in 26/02/1785
- John Thomson Mason (American lawyer and politician) he was born in 08/01/1787
- Ben Montgomery ((1819-1877) American businessman) he was born in 01/01/1819
- George Rust (United States general) he was born in 04/01/1788
- Russell Baker (American writer and satirist (1925-2019)) he was born in 14/08/1925
- John F. Ryan (American politician) he was born in 09/11/1848
- John Mobberly (Confederate American Civil War guerrilla) he was born in 01/06/1844
- Joseph R. Cockerill (American politician) he was born in 02/01/1818
- R. Preston Chew (Horse artillery commander in the Confederate States Army) he was born in 09/04/1843
- Richard Henry Dulany (Army colonel and horseman) he was born in 10/08/1820
- Stephen Bradley (equestrian) he was born in 01/01/1962
- Wilton Lackaye (American actor (1862-1932)) he was born in 30/09/1862
- Henry S. Taylor (American poet) he was born in 21/06/1942
- James Megeath (American pioneer) he was born in 18/11/1824
- Isaiah L. Potts he was born in 01/01/1784
Virginia Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Fairfax County | 1,150,847 | County in Virginia, United States |
| Prince William County | 475,533 | County in Virginia, United States |
| Virginia Beach | 451,231 | The most populous city in Virginia, Virginia Beach is a major center for tourism, military, and business. |
| Chesterfield County | 358,245 | County in South Carolina, United States |
| Henrico County | 333,766 | County in Virginia, United States |
| Chesapeake | 247,011 | The second most populous city in Virginia. |
| Norfolk | 242,803 | The most populous city in Virginia. |
| Arlington County | 240,119 | County in Virginia, United States; suburb of Washington, D. |
| Richmond | 232,226 | The capital of Virginia. |
| Arlington | 229,164 | A county in Virginia. |
| City of Portsmouth | 215,133 | Administrative division in Virginia, United States |
| Newport News | 179,062 | The second most populous city in Virginia. |
| Alexandria | 158,726 | A city in Virginia. |
| Stafford County | 156,748 | County in Virginia, United States |
| East Hampton | 147,993 | Town in New York |
| Spotsylvania County | 138,449 | County in Virginia, United States |