Which ZIP code in Prince William County has the highest median age?

20137 (Broad Run), at 46.1 (±5.2), among 17 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.

Oldest ZIP codes in Prince William County, VA

These are the 17 ZIP codes in Prince William County with the highest median age, out of 17 with at least 1,000 residents. 20137 (Broad Run, 46.1), 20169 (Haymarket, 42.0) and 20112 (Manassas, 40.8) lead the list. There is no single "best" ZIP code in Prince William County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.

Oldest ZIP codes in Prince William County

Rank	ZIP	Mailing city	Median age	Residents	Households	Residential mailboxes
1	20137	Broad Run	46.1 ±5.2	1,938	660	795
2	20169	Haymarket	42.0 ±1.5	28,089	9,372	10,457
3	20112	Manassas	40.8 ±1.7	30,500	9,470	9,671
4	20155	Gainesville	40.4 ±1.0	37,486	12,660	13,111
5	20181	Nokesville	39.5 ±3.4	10,774	3,310	3,547
6	22025	Dumfries	38.9 ±1.9	19,356	6,474	6,581
7	22192	Woodbridge	37.8 ±0.8	59,794	20,811	21,899
8	20136	Bristow	37.6 ±2.0	32,325	9,405	9,550
9	20111	Manassas	35.7 ±1.0	38,124	11,816	12,518
10	22193	Woodbridge	35.5 ±0.8	81,588	24,383	25,468
11	22172	Triangle	35.4 ±2.0	11,490	3,662	4,174
12	20110	Manassas	34.9 ±0.5	49,890	15,920	16,123
13	22191	Woodbridge	34.6 ±0.6	73,623	25,284	27,001
14	20143	Catharpin	33.8 ±15.4	1,070	340	384
15	20109	Manassas	33.2 ±1.1	45,444	15,018	15,752
16	22026	Dumfries	32.9 ±1.9	22,897	6,760	7,981
17	22134	Quantico	23.4 ±0.4	8,310	1,469	1,448

How we ranked them

Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 17 of 18 qualify.

Which of these to mail, and why

Older ZIP codes respond to health care, hearing and vision, Medicare plans, home safety, estate planning and services that come to the door.

The top five ZIP codes on this list hold 35,472 households, on 69 carrier routes with 37,581 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.

Open 20137 on the EDDM route map

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Businesses that mail these ZIP codes

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Frequently asked questions

Which ZIP code in Prince William County has the highest median age?: 20137 (Broad Run), at 46.1 (±5.2), among 17 ZIP codes with at least 1,000 residents.
How is this ranking calculated?: Ranked by median age of all residents, highest first (ACS 5-year estimates, 2020–2024).
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.