2025 Compare Cities People:
Herndon, VA vs Fairfax, VA

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Highlights
- Fairfax is 0% more densely populated than Herndon.
- People are 1.3% more likely to be married in Fairfax.
- The Median Age is 2.0 years older in Fairfax.
 Herndon, VAFairfax, VAUnited States
 Population  Unlock23,980329,725,481
 Female Population48.4%  Unlock50.5%
 Male Population51.6%  Unlock49.5%
 Median Age  Unlock37.738.4
 space3
 Population - 201023,400  Unlock309,327,143
 Population - 2000  Unlock21,498285,036,114
 Population - 199016,139  Unlock251,960,433
 Pop. 2000 to Now  Unlock9.0%15.6%
 Pop. 1990 to Now52.3%  Unlock30.8%
 space4
 Population Density  Unlock3,843.093.4
 Land Area4.3  Unlock3,531,905.4
 Water Area  Unlock0.0264,836.8
 space
 Est. Total Population By Age
 Herndon, VAFairfax, VAUnited States
 Age 0 to 46.9%  Unlock5.9%
 Age 5 to 9  Unlock5.5%6.1%
 Age 10 to 145.7%  Unlock6.6%
 Age 15 to 17  Unlock3.5%3.9%
 Age 18 to 203.1%  Unlock4.0%
 Age 21 to 24  Unlock6.0%5.2%
 Age 25 to 3415.9%  Unlock13.8%
 Age 35 to 44  Unlock13.8%12.9%
 Age 45 to 5412.8%  Unlock12.6%
 Age 55 to 59  Unlock7.9%6.7%
 Age 60 to 645.4%  Unlock6.3%
 Age 65 to 74  Unlock8.6%9.6%
 Age 75 to 842.9%  Unlock4.5%
 Age 85 and over  Unlock2.0%1.9%
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 Race
 Herndon, VAFairfax, VAUnited States
 White35.4%  Unlock59.4%
 Black  Unlock5.4%12.2%
 Asian16.1%  Unlock5.6%
 Native American  Unlock0.0%0.6%
 Hawaiian, Pacific Islander0.0%  Unlock0.2%
 Other  Unlock0.3%0.4%
 Two or More Races3.3%  Unlock3.2%
 Hispanic  Unlock17.7%18.4%
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 Marriage & Family
 Herndon, VAFairfax, VAUnited States
 Married Population55.6%  Unlock49.8%
     Currently Married  Unlock55.1%48.0%
 Married but Separated1.5%  Unlock1.8%
 Single Population  Unlock43.7%50.2%
 Never Married34.8%  Unlock33.8%
 Divorced  Unlock7.3%10.8%
 Widowed2.3%  Unlock5.6%
 space5
 Household Size  Unlock2.582.60
 Households7,914  Unlock124,010,992
 Family Households  Unlock5,84980,755,759
     Married couple, w/children40.3%  Unlock30.5%
     Married couple, no children  Unlock42.7%42.9%
 Non Family Households2,167  Unlock43,255,233
     Single householder, w/children  Unlock6.1%15.8%
     Single householder, no children8.1%  Unlock10.8%
Reviews for Herndon    12 Reviews

Over 10 years ago

Seasons tend to be relatively mild. The warmer seasons are extended by 3-4 weeks as compared to the New York Metropolitan Area.  More

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Over 16 years ago

Traffic has gotten out of control the last couple of  More

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Over 16 years ago

We actually live south of Herndon in Oak Hill (Zip Code 20171). The Town of Herndon is incorporated, Oak Hill is not. Herndon is a nice enough city with an historic area  More

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Reviews for Fairfax    28 Reviews

I lived in the area for 17 years through high school until I eventually became a truck driver. Having now seen most states extensively, I wanted to fairly review what  More

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Living in Fairfax, or any of the Northern Virginia suburbs of DC, means dealing with highways that are a Gordian knot of converging lanes and overpasses, making long  More

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Over 10 years ago

The Cost of living here is high. Though the standard of living is also high, unless you're making over 50,000/year, it's difficult to both live and build any sort of  More

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