Herndon, VA Profile: Facts, Map & Data


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Herndon, Virginia - Basic Facts

The Town of Herndon had a population of 23,993 as of July 1, 2017. Herndon ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Virginia. See peer rankings below.

The primary coordinate point for Herndon is located at latitude 38.9704 and longitude -77.3871 in Fairfax County. The formal boundaries for the Town of Herndon (see map below) encompass a land area of 4.28 sq. miles and a water area of 0.01 sq. miles. Fairfax County is in the Eastern time zone (GMT -5). The elevation is 361 feet.

The Town of Herndon (GNIS ID: 2390244) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Beneath the boundary map are tables with Herndon population, income and housing data, five-year growth projections and peer comparisons for key demographic data. The estimates are for July 1, 2017.

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Town of Herndon, VA Boundary Map

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Herndon, VA Data & Demographics (As of July 1, 2017)


Total Population 23,993
Daytime Population: Workers 24,601
Daytime Population: Residents 9,773
Total Daytime Population (TDP) 34,374
Ratio TDP/Total Population1 1.43
Population in Households 23,989
Population in Familes 18,970
Population in Group Qrtrs 4
Population Density2 5,610
Diversity Index3 85


Median Household Income $89,061
Average Household Income $108,804
Per Capita Income $34,787


Total Housing Units 8,043 (100%)
Owner Occupied HU 4,406 (54.8%)
Renter Occupied HU 3,264 (40.6%)
Vacant Housing Units 373 ( 4.6%)
Median Home Value $394,348
Average Home Value $434,234


Total Households 7,670
Average Household Size 3.13
Family Households 5,460
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.41% 0.52%
Households 0.36% 0.49%
Families 0.26% 0.42%
Median Household Income   1.77%
Per Capita Income   2.51%

Herndon, VA - Peer Comparisons by Rank and Percentile

The table below compares Herndon to the other 593 incorporated cities, towns and CDPs in Virginia by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 46 92nd
Population Density # 25 96th
Diversity Index # 11 98th
Median Household Income # 105 82nd
Per Capita Income # 150 75th

Additional comparisons and rankings can be made with a VERY EASY TO USE Virginia Census Data Comparison Tool.

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