Lancaster County, Virginia
County seat: Lancaster · Population 10,995 (2025) · 133 sq mi
Lancaster County is the 112th most populous of Virginia's 133 counties, with 10,995 people (2025 estimate). Its county seat is Lancaster. It is part of the Northern Neck Planning District Commission (PD 17) region, one of the 21 Planning District Commissions of Virginia. The map shows its 3 cities and towns and the 5 neighboring counties.

Lancaster County facts
- County seat
- Lancaster
- Population (2025 estimate)
- 10,995 +0.7% since 2020
- Land area
- 133 sq mi 94th largest of 133
- Water area
- 98 sq mi
- Population density
- 83 per sq mi
- Established
- 1651
- Same name
- One of 4 Lancaster Counties in the US
- Named after
- Lancaster county town of Lancashire, England
- Largest city
- Kilmarnock 1,381 in the county
- Median household income
- $69,713
- Cities and towns
- 3 plus 2 CDPs
- ZIP codes
- 6
- Time zone
- Eastern
- FIPS code
- 51103
Cities and towns in Lancaster County
Lancaster County has 3 incorporated cities, towns and villages. Populations count the people living inside Lancaster County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Kilmarnock | Town | 1,381 | Northumberland County |
| Irvington | Town | 470 | |
| White Stone | Town | 386 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Weems | 279 | |
| Lancaster | 20 |
ZIP codes in Lancaster County
6 ZIP codes reach into Lancaster County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 22473 also Northumberland County
- 22480
- 22482 also Northumberland County
- 22503 also Northumberland County
- 22576
- 22578
Population of Lancaster County, 2020–2025
Lancaster County grew by 77 people (+0.7%) between April 2020 and July 2025: 865 more deaths than births and a net gain of 954 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 10,899 |
| 2021 | 10,938 |
| 2022 | 10,835 |
| 2023 | 10,879 |
| 2024 | 10,971 |
| 2025 | 10,995 |
Neighboring counties
- Middlesex County southwest · 10,841 people
- Northumberland County north · 12,557 people
- Richmond County northwest · 9,294 people
- Accomack County east · 33,859 people
- Essex County northwest · 10,654 people
Printable Lancaster County map
The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.
- PDF (Letter) (101 KB)
- PNG (2400 px) (94 KB)
Paste this code to embed the map on your site:
Sources
- Boundaries: U.S. Census Bureau, 2025 Cartographic Boundary Files (1:500,000).
- Population: Census Bureau county and city estimates, Vintage 2025. CDP populations: American Community Survey 2020–2024.
- Places and ZIP codes: Census Bureau 2026 Gazetteer and 2020 ZIP Code Tabulation Area relationship files.
- County seat, founding year and name origin: Wikidata (CC0), checked against state sources.
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