ZIP Codes of Wayne County, KY

Population & People
Population & People
Total Population
18,606
Household Income
Household Income
Median Income
$46,040
Housing
Housing
Total Housing Units
9,270
Business & Economy
Business & Economy
Total Businesses
280
Employment
Employment
Employment Rate
45.49%
Education
Education
Bachelor's Degree+
13.62%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 1 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:1 ZIP Codes (1 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:606
Timezone:Eastern (GMT -05:00)
Local Time:11:53:41 PM
Population:18,606 [See All]
FIPS:21231
Land Area:455 sq mi
Water Area:24 sq mi
Coordinates:36.7933, -84.8117
Quick Link:
https://www.zip-codes.com/county/ky-wayne.asp
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Kentucky's #63 most populous county
18,606 residents across 1 ZIPs — #63 of 120 Kentucky counties.

Standout ZIPs in this County


Most Populous
Monticello · 18,606 people
100.0% of county total
Highest Income
Monticello · $46,040 median
1.0× county average
Largest Land Area
Monticello · 455.4 sq mi
Spans the most ground
Fastest Growth
Monticello · -7.0% (10-yr)
20,001 → 18,606 residents
Most Educated
Monticello · 13.6% bachelor's+
1,832 of 13,452 adults 25+

Things worth knowing about Wayne County


18,606 residents live across 1 ZIPs covering 455 sq mi, served by 1 distinct USPS-recognized cities.

Population moved from 20,001 to 18,606 from 2014 to 2024 — a -7.0% change. 0 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 42633 (Monticello, $46,040 median) and poorest ZIP 42633 (Monticello, $46,040) are 0.0 miles apart — a 1.0× income gap across local geography.

Within Kentucky, this is the #63 most populous of 120 counties and ranks #93 for median household income .

Weighted by population, the typical household earns about $46,040 across the county — reflecting what a typical resident sees, not a simple ZIP average.

13.6% of adults age 25+ hold a bachelor's degree or higher (1,832 of 13,452 reporting).

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

Stories about Wayne County


Population decline

Wayne County lost 7.0% of residents between 2014 and 2024.

All ZIP Codes in Wayne County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
42633MonticelloStandard18,606$46,040455.4-7.0%

Adjacent & Nearby Counties