Editing Loudoun County, Virginia (section)

===2000 to 2019===
As of the [[census]] of 2010,<ref name="GR8">{{cite web |url=https://www.census.gov |publisher=[[United States Census Bureau]] |access-date=May 14, 2011 |title=U.S. Census website}}</ref> there were 312,311 people, 104,583 households, and 80,494 families residing in the county. The population density was {{convert|606|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 109,442 housing units at an average density of {{convert|212|/sqmi|/km2|sp=us|adj=off}}. The racial makeup of the county was:
* 68.7% [[White American|White]]
* 14.7% [[Asian American|Asian]] (7.90% [[Indian Americans|Indian]], 1.74% [[Filipino Americans|Filipino]], 1.61% [[Chinese Americans|Chinese]], 1.34% [[Korean Americans|Korean]], 1.22% [[Vietnamese Americans|Vietnamese]], 1.09% [[Pakistani Americans|Pakistani]])
* 7.3% [[African American]]
* 0.3% [[Native Americans in the United States|Native American]]
* 0.1% [[Pacific Islands American|Pacific Islander]]
* 4.9% of some other race
* 4.0% [[Multiracial American|of two or more races]]
* 12.4% of the population were [[Race (United States Census)|Hispanic]] or [[Race (United States Census)|Latino]] of any race (3.4% [[Salvadoran Americans|Salvadoran]], 1.8% [[Mexican Americans|Mexican]], 1.3% [[Peruvian Americans|Peruvian]], 0.9% [[Stateside Puerto Ricans|Puerto Rican]], 0.6% [[Honduran Americans|Honduran]], 0.6% [[Bolivian Americans|Bolivian]], 0.5% [[Guatemalan Americans|Guatemalan]], 0.5% [[Colombian Americans|Colombian]])

According to the [[2010 United States Census|2010 census]], 10.5% of residents reported being of [[German American|German]] ancestry, while 9.1% reported [[Irish American|Irish]], 7.7% [[English American|English]], 5.4% [[Italian American|Italian]] and 5.2% [[American ethnicity|American]] ancestry.

The most spoken languages other than English in Loudoun County as of 2018 were [[Spanish language|Spanish]], spoken by 10.8% of the population, and [[Telugu language|Telugu]], spoken by 2.8% of the population.<ref>{{Cite web |title=Loudoun County, VA {{!}} Data USA |url=https://datausa.io/profile/geo/loudoun-county-va#:~:text=The%20most%20common%20foreign%20languages,and%20Hindi%20(8,491%20speakers). |access-date=April 4, 2021 |website=datausa.io |language=en}}</ref>{{Citation needed|reason=''This information is not verifiable using the source provided''|date=March 2025}} Almost 25% of Loudoun County residents were born outside of the United States, with the largest number of foreign-born residents being from [[El Salvador]], [[India]], and [[Mexico]].<ref>{{Cite web |title=Loudoun County, VA {{!}} Data USA |url=https://datausa.io/profile/geo/loudoun-county-va#:~:text=The%20most%20common%20foreign%20languages,and%20Hindi%20(8,491%20speakers). |access-date=March 27, 2025 |website=datausa.io |language=en}}</ref>

As of 2000, there were 59,900 households, out of which 43.10% had children under the age of 18 living with them, 64.30% were [[Marriage|married couples]] living together, 7.80% had a female householder with no husband present, and 24.80% were non-families. 18.40% of all households were made up of individuals, and 3.70% had someone living alone who was 65 years of age or older. The average household size was 2.82, and the average family size was 3.24.

In the county, 29.80% of the population was under the age of 18, 5.70% was from 18 to 24, 38.90% from 25 to 44, 20.00% from 45 to 64, and 5.60% was 65 years of age or older. The median age was 34 years. For every 100 females, there were 97.80 males. For every 100 females age 18 and over, there were 95.50 males.

In 2011, census survey data concluded that Loudoun County had the highest median income in the country at $119,134.<ref name=acs2011>{{cite web |title=LOUDOUN COUNTY INCOME HIGHLIGHTS, AMERICAN COMMUNITY SURVEY, 2011 ACS UPDATE |url=http://www.loudoun.gov/DocumentCenter/Home/View/9701 |publisher=Loudoun County Department of Planning |access-date=March 26, 2014}}</ref>

From 1980 to 2014, deaths from [[cancer]] in Loudoun County decreased by 46 percent, the largest such decrease of any county in the United States.<ref>Barry-Jester, Anna Maria. "[https://fivethirtyeight.com/features/how-americans-die-may-depend-on-where-they-live/?ex_cid=story-twitter How Americans Die May Depend On Where They Live]". ''[[FiveThirtyEight]]''. December 13, 2016.</ref>

From 2017 to 2018, Loudoun County saw an increase of 18.5% of households experiencing homelessness, a 21% increase for single adults, and a 36% increase for families. Homelessness for veterans in the county decreased by 16% from 2017 to 2018.<ref>{{Cite news |url=https://www.loudountimes.com/news/on-the-brink-homelessness-on-the-rise-in-loudoun-county/article_cf8bb372-5f80-11e8-81ff-2ba9d1196016.html |title=On the brink: Homelessness on the rise in Loudoun County |last=Baratko |first=Trevor |date=May 25, 2018 |work=LoudounTimes.com |access-date=May 25, 2018 |language=en}}</ref>