Data Last Updated: January 1, 2025

Fairfax County, VA ZIP Codes

ZIP Codes: Shows how many general ZIP Codes, PO Boxes, Unique (Business), and Multi County ZIP Codes are associated with Fairfax, VA.	81 ZIP Codes (47 General, 12 PO Box, 16 Unique, & 6 Multi County) [More Details]
Area Codes: The Telephone Area Codes that are associated with Fairfax, VA. Area Codes are used in the North American Numbering Plan (NANP) to facilitate phone routing. There are approximately 350 area codes in use in the United States.	571, 703
Timezone: Time zone designation within the U.S. Please note that not all areas in the U.S. observe daylight saving time which can affect actual local time for this city. There are 7 standard time zones which are, from west to east: Hawaii-Aleutian, Alaska, Pacific, Mountain, Central, Eastern, Atlantic. Also included in U.S. Territories are Samoa, Guam and Palau.	Eastern
Local Time: The current local time for each timezone. If more than 1 time zone for this area, all local times will be shown. Counties can cross timezones, so more than 1 may be shown.	12:00:00 AM
Population: The population of Fairfax, VA from the U.S. Census 2020. Included are U.S. Citizens, permanent residents, temporary migrants, and undocumented individuals. The total population represents people who live in the city, not just those present while the Census was being completed.	1,150,309 [More Details]
FIPS: FIPS stands for Federal Information Processing Standards, which are a set of publicly announced standards for computer systems. A county FIPS code is a unique numeric identifier for a county in the United States, assigned by the National Institute of Standards and Technology (NIST). County FIPS codes have five digits, with the first two digits identifying the state and the last 3 indicating the county.	51059
CBSA: A Core Based Statistical Area (CBSA) is the recognized term for a region that functions around an urban core with a population of at least 10,000 people, according to the standards set by the Office of Management and Budget (OMB) in 2000. A CBSA is divided into two subsets: Metro and Micro, and these classifications are determined by population density. A Micro area is identified by a population ranging between 10,000 to 50,000, while a Metro area is defined as having a population that exceeds 50,000.	Washington-Arlington-Alexandria, DC-VA-MD-WV
Land Area: The approximate amount of land area covered by Fairfax, VA in square miles. The Land Area provided by the Census Bureau is based on geographic boundaries that include the mainland, islands, inland, coastal, Great Lakes, and territorial waters associated with each city.	391 square miles
Water Area: The approximate amount of water area covered by Fairfax, VA in square miles. Calculations by the Census Bureau for Water Area take into account inland bodies of water, coastal regions, Great Lakes, and territorial sea waters. This encompasses features such as lakes, reservoirs, rivers, and coastal water bodies.	15 square miles
Coordinates: The latitude/longitude centroid coordinates for Fairfax County, VA.	-77.276988, 38.836840
Quick Link: Copy the direct link to the Fairfax, VACounty page and use anywhere you like!	https://www.zip-codes.com/county/va-fairfax.asp

Fairfax, VA ZIP Code Boundaries

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Fairfax County, VA Covers 81 ZIP Codes

ZIP Code	Classification	City	Population	% of Population
ZIP Code 20120	General	Centreville	42,697	3.71%
ZIP Code 20121	General	Centreville	28,901	2.51%
ZIP Code 20122	P.O. Box	Centreville	0	0.00%
ZIP Code 20124	General	Clifton	14,999	1.30%
ZIP Code 20151	General	Chantilly	22,653	1.97%
ZIP Code 20153	P.O. Box	Chantilly	0	0.00%
ZIP Code 20170	General	Herndon	42,756	3.72%
ZIP Code 20171	General	Herndon	51,759	4.50%
ZIP Code 20172	P.O. Box	Herndon	0	0.00%
ZIP Code 20190	General	Reston	20,957	1.82%
ZIP Code 20191	General	Reston	29,948	2.60%
ZIP Code 20192	Unique	Herndon	0	0.00%
ZIP Code 20194	General	Reston	13,171	1.14%
ZIP Code 20195	P.O. Box	Reston	0	0.00%
ZIP Code 20196	Unique	Reston	0	0.00%
ZIP Code 22003	General	Annandale	59,372	5.16%
ZIP Code 22009	P.O. Box	Burke	0	0.00%
ZIP Code 22015	General	Burke	43,941	3.82%
ZIP Code 22027	General	Dunn Loring	2,330	0.20%
ZIP Code 22030 *	General	Fairfax	60,431	--
ZIP Code 22031	General	Fairfax	35,256	3.06%
ZIP Code 22032	General	Fairfax	29,909	2.60%
ZIP Code 22033	General	Fairfax	40,692	3.54%
ZIP Code 22035	General	Fairfax	22	0.00%
ZIP Code 22037	Unique	Fairfax	0	0.00%
ZIP Code 22039	General	Fairfax Station	18,278	1.59%
ZIP Code 22041	General	Falls Church	28,039	2.44%
ZIP Code 22042	General	Falls Church	34,638	3.01%
ZIP Code 22043	General	Falls Church	25,850	2.25%
ZIP Code 22044	General	Falls Church	13,847	1.20%
ZIP Code 22046 *	General	Falls Church	18,576	--
ZIP Code 22060	General	Fort Belvoir	9,677	0.84%
ZIP Code 22066	General	Great Falls	18,165	1.58%
ZIP Code 22067	General	Greenway	0	0.00%
ZIP Code 22079	General	Lorton	35,225	3.06%
ZIP Code 22081	General	Merrifield	0	0.00%
ZIP Code 22082	Unique	Merrifield	0	0.00%
ZIP Code 22101	General	Mc Lean	31,414	2.73%
ZIP Code 22102	General	Mc Lean	27,743	2.41%
ZIP Code 22103	P.O. Box	West Mclean	0	0.00%
ZIP Code 22106	P.O. Box	Mc Lean	0	0.00%
ZIP Code 22107	Unique	Mc Lean	0	0.00%
ZIP Code 22108	Unique	Mc Lean	0	0.00%
ZIP Code 22109	Unique	Mc Lean	0	0.00%
ZIP Code 22116	P.O. Box	Merrifield	0	0.00%
ZIP Code 22118	Unique	Merrifield	0	0.00%
ZIP Code 22119	Unique	Merrifield	0	0.00%
ZIP Code 22121	P.O. Box	Mount Vernon	0	0.00%
ZIP Code 22122	P.O. Box	Newington	0	0.00%
ZIP Code 22124	General	Oakton	18,488	1.61%
ZIP Code 22150	General	Springfield	27,955	2.43%
ZIP Code 22151	General	Springfield	18,026	1.57%
ZIP Code 22152	General	Springfield	29,843	2.59%
ZIP Code 22153	General	Springfield	32,697	2.84%
ZIP Code 22158	Unique	Springfield	0	0.00%
ZIP Code 22159	General	Springfield	0	0.00%
ZIP Code 22160	Unique	Springfield	0	0.00%
ZIP Code 22161	Unique	Springfield	0	0.00%
ZIP Code 22180	General	Vienna	26,666	2.32%
ZIP Code 22181	General	Vienna	15,555	1.35%
ZIP Code 22182	General	Vienna	27,778	2.41%
ZIP Code 22183	P.O. Box	Vienna	0	0.00%
ZIP Code 22185	Unique	Vienna	0	0.00%
ZIP Code 22199	P.O. Box	Lorton	0	0.00%
ZIP Code 22207 *	General	Arlington	33,734	--
ZIP Code 22302 *	General	Alexandria	17,972	--
ZIP Code 22303	General	Alexandria	16,109	1.40%
ZIP Code 22304 *	General	Alexandria	49,237	--
ZIP Code 22306	General	Alexandria	33,330	2.90%
ZIP Code 22307	General	Alexandria	10,271	0.89%
ZIP Code 22308	General	Alexandria	13,935	1.21%
ZIP Code 22309	General	Alexandria	33,773	2.94%
ZIP Code 22310	General	Alexandria	29,611	2.57%
ZIP Code 22311 *	General	Alexandria	19,934	--
ZIP Code 22312	General	Alexandria	30,447	2.65%
ZIP Code 22315	General	Alexandria	28,184	2.45%

* Indicates a Multi County ZIP Code. These ZIP Codes partially cross over into Fairfax, VA, but will mostly cover area in a different County. Not included in % of Population calculations.

Important Fairfax, VA Information

Fairfax County, VA Covers 81 ZIP Codes. This includes 47 General ZIP Codes, 12 PO Box ZIP Codes, and 16 Unique (reserved for Business and Volume Mail Receivers). There are also 6 Multi County ZIP Codes. These records are assigned a different primary county, but they partially cover area in Fairfax County.

The population for Fairfax County is 1,150,309, according to the U.S. Census. Population Density is 2,941.97 persons per square mile. With 427,149 Housing Units, the Average Household Size is 2.77 persons. There are 411,055 Family Households with an Average Family Size of 2.85 persons. 6.83% of the population is without Health Insurance. The 68.18% Employment Rate is 8.38% above the national average of 59.8%.781,797 people aged 25+ have some educational achievement, with 63.53% (or 496,667 people) having attained a Bachelor's Degree or higher.More Demographics are available below.

There are 2 area codes serving this area including571 and 703. Fairfax is also located in the Eastern timezone and the current local time is shown above.

Fairfax is part of the Washington-Arlington-Alexandria, DC-VA-MD-WV Core Based Statistical Area (CBSA). Its CBSA Code is 47900.It is classified as a metro area, which means the combined population is 50,000 or more (at its core).

CBSAs are defined by the OMB as geographic areas that have at least one core with a population of 10,000 or more (for a micro area) and adjacent territory with a high degree of social and economic integration. CBSA codes are commonly used to accurately file Medicare claims and to verify applicable incentives using a patient's ZIP Code.

ZIP Codes in Fairfax, VA have 423,063 Residential mailboxes and 24,796 Business mailboxes.There are 31,260 businesses with a total of 658,268 employees. That is an average of 21.1 employees per business. Annual payroll for these businesses is $64,149,717,000. Other Demographics

Fairfax County Demographic Profile

Population & People

Total Population

1,150,309

Income

Median Household Income

$133,974

Housing

Total Housing Units

427,149

Health

Without Healthcare Coverage

6.83%

Business & Economy

Total Businesses

31,260

Families

Total Households

411,055

Employment

Employment Rate

68.18%

Education

Bachelor's Degree or Higher

63.53%

Total Population: Total number of people from the 2020 U.S. Census for Fairfax, VA. This reflects the exact count of this area at that point in time, not future estimates, regardless of citizenship or immigration status. It is intended to count all persons living within the geographic area, not just those present on the day of the census.	1,150,309
Current Population Estimate: This field gives the estimated household population for All ZIP Codes in Fairfax, VA. This is derived from known delivery information, household occupancy rates, household size, and more to come up with an accurate estimation for the current population. IMPORTANT: This does not include population totals for persons in nursing homes, correctional facilities, or other institutions. This is an estimation of the household population based on US Postal Service delivery information.	1,169,274
Total Households: Total number of Households from the 2020 U.S. Census for Fairfax, VA. A Household includes everyone living in a residential housing unit. This includes families, roommates in a single residence, or a person living alone.	411,055
Total Housing Units: The total number of Housing Units is the number of occupied units + the number of vacant units. Ownership is defined by whether the unit is occupied by an owner or by a tenant. Owner occupancy means that the owner lives in the unit. This value comes from the 2020 U.S. Census and is not a projection or estimate.	427,149
Average Household Size: The Average Household Size, is obtained by dividing the number of people in Households (excluding those in group quarters, nursing home, prisons, and dorm rooms) by the number of Households. A Household includes everyone living in a residential unit. Those who do not live in a household are classified as living in group accommodation. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.77
Average Family Size: Average Family Size is calculated by dividing the number of people in a Family Household by the number of Family Households. The U.S. Census Bureau defines family households as households consisting of two or more individuals who are related by birth, marriage, or adoption. They also may include other unrelated people. Non-family households consist of people who live alone or who share their residence with unrelated individuals. The Average Family Size only looks at the households classified as Family Households. This value is an estimate from the U.S. Census ACS (American Community Survey) and is updated yearly.	2.85

Other Fairfax Demographics

# Residential Mailboxes: The number of active residential delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	423,063
# Business Mailboxes: The number of active business delivery mailboxes and centralized units. This excludes PO Boxes and all other contract box types.	24,796
Total Delivery Receptacles: The total number of delivery receptacles. This includes curb side mailboxes, centralized units, PO Boxes, NDCBU, and contract boxes. This count is for Residential and Business combined.	564,047
Single Family Delivery Units: Total count of single family mail delivery receptacles; generally analogous to homes.	205,425
Multi Family Delivery Units: Total count of multifamily mail delivery receptacles; generally analogous to apartments.	115,885

# of Businesses: The total number of Business Establishments. Data taken from Business Census 2023.	31,260
1st Quarter Payroll: The total payroll for the first quarter. Data taken from Business Census 2023.	$16,196,722,000
Annual Payroll: The total annual payroll . Data taken from Business Census 2023.	$64,149,717,000
# of Employees: The total number of employees for all ZIP Codes in this City. Data taken from Business Census 2023.	658,268

Sum of all ZIP Codes assigned Fairfax, VA as their primary County.

References

U.S. Postal Service [Last Updated: 1/1/2025], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 1/1/2025], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2020 [Decennial] [Last Updated: 5/25/2023], https://www.census.gov