Louisa County, Virginia
County seat: Louisa · Population 42,924 (2025) · 495 sq mi
Louisa County is the 42nd most populous of Virginia's 133 counties, with 42,924 people (2025 estimate). Its county seat is Louisa. It is part of the Thomas Jefferson Planning District Commission (PD 10) region, one of the 21 Planning District Commissions of Virginia. The map shows its 2 cities and towns and the 6 neighboring counties.
Louisa County facts
- County seat
- Louisa
- Population (2025 estimate)
- 42,924 +14.2% since 2020
- Land area
- 495 sq mi 25th largest of 133
- Water area
- 15 sq mi
- Population density
- 87 per sq mi
- Established
- 1742
- Named after
- Louise of Great Britain daughter of George II of Great Britain; Queen consort of Denmark and Norway
- Largest city
- Louisa 2,244
- Median household income
- $86,689
- Cities and towns
- 2 plus 1 CDPs
- ZIP codes
- 12
- Time zone
- Eastern
- FIPS code
- 51109
Cities and towns in Louisa County
Louisa County has 2 incorporated cities, towns and villages. Populations count the people living inside Louisa County; cities that cross a county line also list the other counties.
| Name | Type | Population 2025 | Also in |
|---|---|---|---|
| Louisa (county seat) | Town | 2,244 | |
| Mineral | Town | 532 |
Unincorporated communities (CDPs)
Census-designated places are communities without their own city government; the county provides their services.
| Community | Population | Also in |
|---|---|---|
| Blue Ridge Shores | 918 |
ZIP codes in Louisa County
12 ZIP codes reach into Louisa County. ZIP codes ignore county lines, so some also cover a neighboring county.
- 22942 also Orange and Albemarle counties
- 22947 also Albemarle and Fluvanna counties
- 22974 also Fluvanna and Albemarle counties
- 23015 also Hanover, Spotsylvania and Caroline counties
- 23024 also Spotsylvania and Hanover counties
- 23065 also Goochland County
- 23084 also Fluvanna and Goochland counties
- 23093 also Goochland and Fluvanna counties
- 23102 also Goochland and Hanover counties
- 23117 also Spotsylvania and Goochland counties
- 23153 also Goochland County
- 23192 also Hanover County
Population of Louisa County, 2020–2025
Louisa County grew by 5,338 people (+14.2%) between April 2020 and July 2025: 103 more deaths than births and a net gain of 5,458 people from migration.
| Year (July 1) | Population |
|---|---|
| 2020 | 37,785 |
| 2021 | 39,028 |
| 2022 | 39,989 |
| 2023 | 41,036 |
| 2024 | 42,176 |
| 2025 | 42,924 |
Neighboring counties
- Goochland County south · 29,187 people
- Spotsylvania County northeast · 155,388 people
- Hanover County southeast · 116,423 people
- Orange County north · 40,083 people
- Fluvanna County southwest · 28,975 people
- Albemarle County west · 118,356 people
Printable Louisa 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) (116 KB)
- PNG (2400 px) (88 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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