ZIP Codes of Anderson County, KY

Population & People
Population & People
Total Population
23,963
Household Income
Household Income
Median Income
$74,408
Housing
Housing
Total Housing Units
10,118
Business & Economy
Business & Economy
Total Businesses
342
Employment
Employment
Employment Rate
59.01%
Education
Education
Bachelor's Degree+
26.33%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 1 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:1 ZIP Codes (1 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:502
Timezone:Eastern (GMT -05:00)
Local Time:2:12:16 PM
Population:23,963 [See All]
FIPS:21005
CBSA:Frankfort, KY
Land Area:189 sq mi
Water Area:2 sq mi
Coordinates:37.9986, -84.9563
Quick Link:
https://www.zip-codes.com/county/ky-anderson.asp
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Kentucky's #47 most populous county
23,963 residents across 1 ZIPs — #47 of 120 Kentucky counties.

Standout ZIPs in this County


Most Populous
Lawrenceburg · 23,963 people
100.0% of county total
Highest Income
Lawrenceburg · $74,408 median
1.0× county average
Largest Land Area
Lawrenceburg · 189.2 sq mi
Spans the most ground
Fastest Growth
Lawrenceburg · 11.8% (10-yr)
21,426 → 23,963 residents
Most Educated
Lawrenceburg · 26.3% bachelor's+
4,390 of 16,670 adults 25+

Things worth knowing about Anderson County


23,963 residents live across 1 ZIPs covering 189 sq mi, served by 1 distinct USPS-recognized cities.

Population moved from 21,426 to 23,963 from 2014 to 2024 — a +11.8% change. 1 ZIPs gained residents, 0 lost.

The county's wealthiest ZIP 40342 (Lawrenceburg, $74,408 median) and poorest ZIP 40342 (Lawrenceburg, $74,408) are 0.0 miles apart — a 1.0× income gap across local geography.

Within Kentucky, this is the #47 most populous of 120 counties and ranks #16 for median household income with the #10 fastest decade growth .

Weighted by population, the typical household earns about $74,408 across the county — reflecting what a typical resident sees, not a simple ZIP average.

26.3% of adults age 25+ hold a bachelor's degree or higher (4,390 of 16,670 reporting).

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

All ZIP Codes in Anderson County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
40342LawrenceburgStandard23,963$74,408189.211.8%

Adjacent & Nearby Counties