Herndon, Virginia

Herndon population, 2020 to 2024

Herndon added 592 residents from July 2020 to July 2024, a change of +2.4%. In the latest year it moved by +138. Among 63 Virginia places of 5,000 or more, that growth ranks 25th; the median place changed by +1.7%. The median place of 5,000+ in Virginia has 16,562 people, so Herndon is 1.5 times that size.

Herndon covers 4.29 square miles of land, for 5,869 people per square mile of land. The median Virginia place of 5,000+ has 1,784, so Herndon is denser than the typical town.

What county Herndon is in

All of Herndon's residents live in Fairfax County, which had 1,160,925 residents in 2024. Herndon holds 2.2% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Herndon

1 ZIP Code Tabulation Area (ZCTA) overlaps Herndon by at least 10% of the ZCTA's or the town's land: 20170. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a town that annexed land after 2020 may reach into ZIP codes not listed here.

Where Herndon is

The Census internal point of Herndon is at 38.970400, -77.387100. Richmond, the capital, is 98.9 miles S in a straight line. The nearest larger place is Fairfax, VA (26,340 people), 9.4 miles away. The nearest city of 100,000 or more is Alexandria, VA, 19.4 miles away.

Daylight in Herndon

At 38.97° N, Herndon gets about 14 h 54 min of daylight around the June solstice and 9 h 26 min around the December solstice, a swing of 5 h 28 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Herndon

The eight nearest incorporated places of 1,000+ in Virginia, measured between internal points. The closest is Vienna, 8.5 miles away, with 16,562 people.