ZIP Codes of Bourbon County, KY

Population & People
Population & People
Total Population
19,067
Household Income
Household Income
Median Income
$39,021
Housing
Housing
Total Housing Units
8,582
Business & Economy
Business & Economy
Total Businesses
361
Employment
Employment
Employment Rate
56.46%
Education
Education
Bachelor's Degree+
26.07%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 4 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:4 ZIP Codes (1 Standard, 3 PO Box, 0 Unique) [See All]
Area Code:859
Timezone:Eastern (GMT -05:00)
Local Time:2:12:16 PM
Population:19,067 [See All]
FIPS:21017
CBSA:Lexington-Fayette, KY
Land Area:261 sq mi
Water Area:2 sq mi
Coordinates:38.2179, -84.1876
Quick Link:
https://www.zip-codes.com/county/ky-bourbon.asp
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Kentucky's #60 most populous county
19,067 residents across 4 ZIPs — #60 of 120 Kentucky counties.

Standout ZIPs in this County


Most Populous
Paris · 18,361 people
96.3% of county total
Highest Income
Paris · $63,333 median
1.6× county average
Largest Land Area
Paris · 260.4 sq mi
Spans the most ground
Fastest Growth
Paris · 1.4% (10-yr)
18,110 → 18,361 residents
Most Educated
Paris · 26.6% bachelor's+
3,294 of 12,384 adults 25+

Things worth knowing about Bourbon County


19,067 residents live across 4 ZIPs covering 261 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 18,845 to 18,986 from 2014 to 2024 — a +0.7% change. 1 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 40361 (Paris, $63,333 median) and poorest ZIP 40348 (Millersburg, $41,979) are 8.0 miles apart — a 1.5× income gap across local geography.

Median home values vary 2.2× across this county — from $104,700 in 40348 (Millersburg) to $233,000 in 40361 (Paris).

Density varies 30× across the county — from 71 people/sq mi in 40361 (Paris) to 2,096 in 40348 (Millersburg).

Educational attainment ranges from 17.0% bachelor's+ in 40348 (Millersburg) to 26.6% in 40361 (Paris) — the breadth of educational profiles across the area.

Within Kentucky, this is the #60 most populous of 120 counties and ranks #112 for median household income .

Weighted by population, the typical household earns about $62,414 across the county — reflecting what a typical resident sees, not a simple ZIP average.

26.1% of adults age 25+ hold a bachelor's degree or higher (3,376 of 12,948 reporting).

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

Stories about Bourbon County


Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Paris

All ZIP Codes in Bourbon County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
40361ParisStandard18,361$63,333260.41.4%
40348MillersburgPO Box625$41,9790.3-15.0%
40357North MiddletownPO Box81$11,7500.0
40362ParisPO Box0.0

Adjacent & Nearby Counties