• county
  • FIPS 51109
  • Largest town: Louisa

Louisa County, Virginia

Louisa County had 42,109 residents in the Census Vintage 2024 estimate, on 495.0 square miles of land. It ranks 43rd of 133 in Virginia by population and 25th by land area.

Population
42,109
#43 of 133 in Virginia · #1,148 in US
Area
495.0 sq mi
#25 of 133 in Virginia · #2,102 in US
Density
85 / sq mi
#77 of 133 in Virginia · #1,030 in US
Median household income
$79,459
#42 of 133 in Virginia · #494 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Louisa County within Virginia. Pin: Richmond.

Measure from here

Tools and pages that start from Louisa County

Louisa County population, land area and income

Louisa County had 42,109 residents in the Census Vintage 2024 estimate, on 495.0 square miles of land. It ranks 43rd of 133 in Virginia by population and 25th by land area. That works out to 85.1 people per square mile, near the US average of 96.3, and above the national county median.

The median county-equivalent in Virginia has 27,800 residents; Louisa County is somewhat larger.

Its SAIPE 2023 median household income of $79,459 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

42,109

3144th1st

1148th of 3,144 (US)

Land area

495 sq mi

3144th1st

2102nd of 3,144 (US)

Density

85.1 / sq mi

3144th1st

1030th of 3,144 (US)

Median household income

$79,459

3143rd1st

494th of 3,143 (US)

Rank within Virginia (133)

Population

42,109

133rd1st

43rd of 133 (VA)

Land area

495 sq mi

133rd1st

25th of 133 (VA)

Density

85.1 / sq mi

133rd1st

77th of 133 (VA)

Median household income

$79,459

133rd1st

42nd of 133 (VA)

How Louisa County's population changed since 2020

Louisa County gained 4,325 residents between the July 2020 and July 2024 estimates, a rise of 11.4%. That ranks 3rd of 133 in Virginia for growth. The median Virginia county changed by +1.3%, and the state as a whole by +2.0%.

Since the April 2020 estimates base, Louisa County recorded 1,779 births and 2,009 deaths, a natural change of -230. Net international migration added +256 and net domestic migration, people moving to or from other US counties, came to +4,515. The largest single component was domestic migration, which added 4,515 people.

37.8k202039.0k202140.0k202241.0k202342.1k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
1,779
Deaths
2,009
Net international migration
+256
Net domestic migration
+4,515
Change, July 2023 to July 2024
+1,101

Where Louisa County is

The Census internal point of Louisa County is at 37.972700, -77.959800. It sits in UTM zone 18N. The map shades Virginia's 133 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Louisa County outlined. Dots are towns of 1,000+ people with residents in it.

Martinsville city: +2.7%Norton city: -5.5%Charlottesville city: -3.6%Winchester city: -0.7%Bristol city: -5.7%Manassas Park city: -3.2%Fluvanna County: +5.3%Clarke County: +5.3%Lunenburg County: +0.9%Colonial Heights city: +2.8%Franklin city: +2.8%Lexington city: +6.7%Petersburg city: +2.0%Suffolk city: +8.8%Emporia city: -5.1%Middlesex County: +3.2%Fairfax city: +8.9%Fredericksburg city: +7.1%Floyd County: +1.2%Radford city: +7.2%Waynesboro city: +5.5%Hopewell city: -0.2%Staunton city: +2.1%Buena Vista city: -0.6%Covington city: -1.4%Poquoson city: +3.1%Madison County: +2.8%Falls Church city: +2.4%Franklin County: +2.1%Mecklenburg County: +1.8%Smyth County: -2.2%Pittsylvania County: -1.6%Frederick County: +6.7%Russell County: -1.3%Nottoway County: -0.1%Scott County: -0.9%Mathews County: +1.0%Stafford County: +7.1%Goochland County: +13.5%Henrico County: +1.1%Caroline County: +8.2%Prince George County: +1.2%Prince William County: +2.9%Cumberland County: +4.0%Essex County: +0.8%Fairfax County: +1.1%Henry County: -2.9%Carroll County: +0.3%Grayson County: -0.1%Louisa County: +11.4%James City County: +5.5%Albemarle County: +4.2%Lynchburg city: +1.7%King William County: +7.3%Charles City County: -2.7%Northumberland County: +4.7%Alexandria city: -0.0%Salem city: +2.0%Galax city: +0.3%Isle of Wight County: +5.8%Newport News city: -1.6%Tazewell County: -3.8%Amherst County: +1.1%Manassas city: +2.2%Buckingham County: +1.7%Shenandoah County: +2.7%Richmond city: +3.0%Alleghany County: -3.7%Culpeper County: +6.4%Warren County: +4.1%Northampton County: -1.7%Southampton County: -0.1%Portsmouth city: -1.5%Rockingham County: +4.6%Orange County: +7.1%Sussex County: -0.4%Bland County: -1.1%Chesapeake city: +2.1%Harrisonburg city: -1.0%Powhatan County: +6.4%Virginia Beach city: -1.1%Dinwiddie County: +2.5%Campbell County: -0.5%Gloucester County: +3.7%Greene County: +5.5%Page County: -0.0%Halifax County: -1.4%Hanover County: +4.6%Buchanan County: -8.0%Highland County: +4.8%Surry County: +0.4%Westmoreland County: +3.9%Wythe County: -0.8%Greensville County: -2.2%Roanoke city: -2.0%Loudoun County: +4.9%Spotsylvania County: +8.1%Brunswick County: -0.5%King George County: +7.4%Bedford County: +3.3%Patrick County: -1.6%Lancaster County: +1.4%Nelson County: +0.2%Montgomery County: -0.6%Amelia County: +3.4%York County: +1.7%Norfolk city: -2.8%Williamsburg city: +3.6%Bath County: -2.8%Accomack County: +0.0%Washington County: +0.4%Pulaski County: -0.7%Rockbridge County: -1.3%Roanoke County: +0.4%Wise County: -3.0%Fauquier County: +3.9%Craig County: -1.0%Charlotte County: -2.4%Richmond County: +3.3%Lee County: -1.5%Chesterfield County: +6.7%Danville city: -1.4%King and Queen County: +2.4%Prince Edward County: +1.7%Hampton city: +0.2%Appomattox County: +4.9%Botetourt County: +1.5%Arlington County: +0.4%Rappahannock County: +2.1%New Kent County: +17.7%Augusta County: +1.3%Giles County: -1.5%Dickenson County: -4.7%
Change 2020 to 2024
  1. < -1.4%
  2. < +0.3%
  3. < +2.1%
  4. < +4.7%
  5. ≥ +4.7%
no data

Orange pin: Louisa County internal point. Dark pin: Richmond.

Internal point

Decimal
37.972700, -77.959800
DMS
37°58'21.72"N 77°57'35.28"W
UTM
18N 240012.8E 4206919.9N
Geohash
dqb81bxrh
Plus code
8794X2FR+33

Towns in Louisa County

One incorporated place of 1,000+ people has residents in Louisa County, 2,201 people together, or 5% of the county. Each figure counts only the part of the town inside Louisa County; towns marked "part" extend into another county. The largest is Louisa with 2,201.

  1. 01Louisa2,201
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Louisa County

The Census 2024 county adjacency file lists 6 neighbors for Louisa County. The most populous is Spotsylvania County, VA, with 152,021 residents. Distances run between Census internal points in a straight line.

Distance to Richmond and the nearest big city

Richmond is 41.5 miles SE of Louisa County's internal point in a straight line. The nearest place of 100,000 or more is Richmond, VA (population 233,655), 40.3 miles away. The nearest place of 10,000 or more is Charlottesville, VA (population 44,767), 29.0 miles away.

Louisa County FIPS code

The FIPS code of Louisa County is 51109: state code 51 for Virginia plus county code 109. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $79,459.

Questions people ask

What is the population of Louisa County, Virginia?

The Census Vintage 2024 estimate for July 1, 2024 is 42,109. That is up 4,325 people (11.4%) from the July 2020 estimate of 37,784.

What is the FIPS code of Louisa County?

51109. The first two digits (51) are Virginia; the last three (109) identify the county.

What is the largest town in Louisa County?

Louisa, with 2,201 residents inside Louisa County in 2024.

Which counties border Louisa County?

6 county-equivalents border it in the Census 2024 adjacency file: Spotsylvania County, VA; Albemarle County, VA; Hanover County, VA; Orange County, VA; Fluvanna County, VA; Goochland County, VA.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.