ZIP Codes of Louisa County, VA

Population & People
Population & People
Total Population
36,360
Household Income
Household Income
Median Income
$87,667
Housing
Housing
Total Housing Units
17,105
Business & Economy
Business & Economy
Total Businesses
578
Employment
Employment
Employment Rate
58.49%
Education
Education
Bachelor's Degree+
28.86%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:4 ZIP Codes (3 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:540 / 826
Timezone:Eastern (GMT -05:00)
Local Time:11:55:30 PM
Population:36,360 [See All]
FIPS:51109
Land Area:475 sq mi
Water Area:20 sq mi
Coordinates:37.9859, -77.9390
Quick Link:
https://www.zip-codes.com/county/va-louisa.asp
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Virginia's #51 most populous county
36,360 residents across 4 ZIPs — #51 of 134 Virginia counties.

Standout ZIPs in this County


Most Populous
Louisa · 14,647 people
40.3% of county total
Highest Income
Bumpass · $100,962 median
1.2× county average
Largest Land Area
Louisa · 209.3 sq mi
Spans the most ground
Fastest Growth
Bumpass · 27.8% (10-yr)
8,787 → 11,233 residents
Most Educated
Bumpass · 33.0% bachelor's+
2,743 of 8,301 adults 25+

Things worth knowing about Louisa County


36,360 residents live across 4 ZIPs covering 475 sq mi, served by 4 distinct USPS-recognized cities.

Population moved from 30,830 to 36,360 from 2014 to 2024 — a +17.9% change. 3 ZIPs gained residents, 0 lost.

The county's wealthiest ZIP 23024 (Bumpass, $100,962 median) and poorest ZIP 23093 (Louisa, $72,798) are 16.1 miles apart — a 1.4× income gap across local geography.

Median home values vary 1.3× across this county — from $292,800 in 23093 (Louisa) to $371,300 in 23024 (Bumpass).

Density varies across the county — from 70 people/sq mi in 23093 (Louisa) to 96 in 23024 (Bumpass).

Educational attainment ranges from 24.9% bachelor's+ in 23093 (Louisa) to 33.0% in 23024 (Bumpass) — the breadth of educational profiles across the area.

Within Virginia, this is the #51 most populous of 134 counties and ranks #39 for median household income with the #8 fastest decade growth .

Weighted by population, the typical household earns about $86,238 across the county — reflecting what a typical resident sees, not a simple ZIP average.

28.9% of adults age 25+ hold a bachelor's degree or higher (7,755 of 26,869 reporting).

3 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

All ZIP Codes in Louisa County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
23093LouisaStandard14,647$72,798209.317.5%
23024BumpassStandard11,233$100,962117.027.8%
23117MineralStandard10,480$89,241149.09.4%
23170TreviliansPO Box0.0

Adjacent & Nearby Counties