Which ZIP code in Fairfax County has the fastest population growth?

22303 (Alexandria), at 16.2%, among 44 ZIP codes with at least 1,000 residents.

Why are some ZIP codes missing?

ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

Fastest-growing ZIP codes in Fairfax County, VA

These are the 25 ZIP codes in Fairfax County with the fastest population growth, out of 44 with at least 1,000 residents. 22303 (Alexandria, 16.2%), 22102 (Mc Lean, 13.9%) and 22060 (Fort Belvoir, 12.1%) lead the list. There is no single "best" ZIP code in Fairfax County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Fastest-growing ZIP codes in Fairfax County

Rank	ZIP	Mailing city	Population change	Residents	Households	Residential mailboxes
1	22303	Alexandria	16.2%	16,922	8,273	9,221
2	22102	Mc Lean	13.9%	29,184	13,541	16,433
3	22060	Fort Belvoir	12.1%	10,641	2,893	3,094
4	22031	Fairfax	11.7%	37,276	14,825	—
5	22039	Fairfax Station	11.5%	19,626	5,927	6,134
6	20190	Reston	10.3%	22,012	11,206	12,588
7	22180	Vienna	9.0%	26,568	9,831	10,206
8	22182	Vienna	6.4%	27,783	9,903	10,189
9	22153	Springfield	4.7%	32,664	10,971	10,814
10	22307	Alexandria	4.5%	10,343	4,560	4,688
11	20120	Centreville	3.8%	42,896	14,578	14,831
12	22043	Falls Church	3.8%	25,750	9,927	9,699
13	22101	Mc Lean	3.5%	30,953	11,014	11,457
14	22308	Alexandria	3.5%	14,090	4,835	4,897
15	22030	Fairfax	3.4%	61,332	21,143	23,212
16	22315	Alexandria	3.2%	30,404	11,539	11,486
17	20170	Herndon	2.8%	43,866	13,583	14,183
18	20191	Reston	2.8%	31,011	12,163	13,326
19	22044	Falls Church	2.8%	13,996	5,442	5,624
20	22041	Falls Church	2.7%	29,183	11,132	11,895
21	22181	Vienna	2.7%	15,760	5,499	5,531
22	22311	Alexandria	1.8%	19,337	8,429	9,948
23	22042	Falls Church	0.9%	35,483	12,287	12,774
24	20171	Herndon	0.4%	51,286	18,923	22,344
25	22015	Burke	0.3%	44,647	14,615	14,889

How we ranked them

Ranked by the change in ACS population estimates between the 2015–2019 and 2020–2024 releases. Both are 5-year averages, and ZIP code areas were redrawn for 2020, so a large change can partly reflect a boundary change. Both periods must have at least 1,000 residents. ZIP codes need at least 1,000 residents to be ranked; 44 of 45 qualify.

Which of these to mail, and why

Growing ZIP codes add households every year, which means new homes, new routes and customers without a go-to provider yet. Check the route map: new subdivisions can appear as new carrier routes.

The top five ZIP codes on this list hold 45,459 households. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 22303 on the EDDM route map

More rankings

Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Fairfax County has the fastest population growth?: 22303 (Alexandria), at 16.2%, among 44 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by the change in ACS population estimates between the 2015–2019 and 2020–2024 releases. Both are 5-year averages, and ZIP code areas were redrawn for 2020, so a large change can partly reflect a boundary change. Both periods must have at least 1,000 residents.
Why are some ZIP codes missing?: ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.