King William County, VA ZIP codes
King William County, VA has 4 ZIP codes, in 4 towns: 23009, 23181, 23086 and 23106. 1 more crosses into it from a neighbouring county: 23069.
The county seat is King William.
- ZIP codes
- 4
- Partly in it
- 1 more
- Towns
- 4
- County seat
- King William
- County FIPS
51101- State
- Virginia
- Population
- 18,593
- Median household income
- $86,056
- Land area
- 274 sq mi
- Metro area
- Richmond
King William County ZIP codes by town
- King William (county seat)
- 23086
Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.
ZIP codes partly in King William County
This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of King William County.
- 23069 Hanover · mostly in Hanover County
Map of King William County ZIP codes
The ZIP codes of King William County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
King William County in numbers
About 18,593 people live in King William County, in 7,352 households, the 81st most populous of Virginia's 123 counties. The median household income is $86,056 a year, 8% below the Virginia median of $93,170 (US: $80,734). The median owner-occupied home is valued at $315,700 (18% below the Virginia median), and median gross rent is $1,166 a month. The median age is 40.9; 23.0% of adults 25 and over hold a bachelor's degree or higher (42.2% across Virginia); the average commute takes 36 minutes.
| Population | 18,593 |
|---|---|
| Households | 7,352 |
| Median age | 40.9 |
| Median household income | $86,056 |
| Median home value | $315,700 |
| Median gross rent | $1,166 |
| Bachelor's degree or higher | 23.0% |
| Mean commute | 36.4 min |
| Population density | 68 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.
Largest towns in King William County
| Town | ZIP codes | Population |
|---|---|---|
| Aylett | 1 | 8,270 |
| West Point | 1 | 3,480 |
| Manquin | 1 | 917 |
| King William | 1 | 85 |
Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.
Neighbouring counties
Counties that share a ZIP code with King William County.
Not sure you are in King William County? What county am I in? answers from your location, near a county line included.
Every ZIP code in King William County, with figures
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
23009 | Aylett , VA | Standard | 8,270 | $98,581 | $319,100 |
23086 | King William , VA | Standard | 3,777 | $89,583 | $323,400 |
23106 | Manquin , VA | Standard | 917 | $59,028 | $321,300 |
23181 | West Point , VA | Standard | 5,565 | $95,699 | $290,600 |
Cite this page
zipcodes.pro. “King William County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/va/county/king-william
Underlying data is public domain or openly licensed — sources, vintages and licences.