Merrifield, VA Profile: Facts, Map & Data


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Merrifield, Virginia - Basic Facts

The Merrifield Census Designated Place had a population of 19,498 as of July 1, 2017. Merrifield 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 Merrifield is located at latitude 38.872 and longitude -77.2397 in Fairfax County. The formal boundaries for the Merrifield Census Designated Place (see map below) encompass a land area of 2.7 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 Merrifield Census Designated Place (GNIS ID: 2389475) has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

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

Alternate Unofficial Names for Merrifield: Mills Cross Roads, Slabtown.

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Merrifield Census Designated Place, VA Boundary Map

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


Total Population 19,498
Daytime Population: Workers 24,646
Daytime Population: Residents 6,914
Total Daytime Population (TDP) 31,560
Ratio TDP/Total Population1 1.62
Population in Households 19,497
Population in Familes 13,579
Population in Group Qrtrs 1
Population Density2 7,229
Diversity Index3 74


Median Household Income $99,932
Average Household Income $119,924
Per Capita Income $51,082


Total Housing Units 8,700 (100%)
Owner Occupied HU 3,772 (43.4%)
Renter Occupied HU 4,533 (52.1%)
Vacant Housing Units 395 ( 4.5%)
Median Home Value $443,276
Average Home Value $495,453


Total Households 8,305
Average Household Size 2.35
Family Households 4,646
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 3.48% 1.88%
Households 4.35% 2.11%
Families 3.63% 1.82%
Median Household Income   1.49%
Per Capita Income   3.03%

Merrifield, VA - Peer Comparisons by Rank and Percentile

The table below compares Merrifield 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 # 61 90th
Population Density # 11 98th
Diversity Index # 53 91st
Median Household Income # 91 85th
Per Capita Income # 55 91st

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

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