ZIP Codes of Clinton County, KY

Population & People
Population & People
Total Population
9,642
Household Income
Household Income
Median Income
$48,802
Housing
Housing
Total Housing Units
5,299
Business & Economy
Business & Economy
Total Businesses
0
Employment
Employment
Employment Rate
54.72%
Education
Education
Bachelor's Degree+
17.43%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 2 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:2 ZIP Codes (2 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:606
Timezone:Central (GMT -06:00)
Local Time:2:12:17 PM
Population:9,642 [See All]
FIPS:21053
Land Area:216 sq mi
Water Area:0 sq mi
Coordinates:36.7676, -85.0745
Quick Link:
https://www.zip-codes.com/county/ky-clinton.asp
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Kentucky's #97 most populous county
9,642 residents across 2 ZIPs — #97 of 120 Kentucky counties.

Standout ZIPs in this County


Most Populous
Albany · 8,948 people
92.8% of county total
Highest Income
Alpha · $53,229 median
1.1× county average
Largest Land Area
Albany · 204.5 sq mi
Spans the most ground
Fastest Growth
Albany · -12.7% (10-yr)
10,251 → 8,948 residents
Most Educated
Albany · 18.1% bachelor's+
1,166 of 6,437 adults 25+

Things worth knowing about Clinton County


9,642 residents live across 2 ZIPs covering 216 sq mi, served by 2 distinct USPS-recognized cities.

Population moved from 10,318 to 9,642 from 2014 to 2024 — a -6.6% change. 1 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 42603 (Alpha, $53,229 median) and poorest ZIP 42602 (Albany, $44,375) are 7.1 miles apart — a 1.2× income gap across local geography.

Median home values vary 1.7× across this county — from $73,000 in 42603 (Alpha) to $124,100 in 42602 (Albany).

Density varies across the county — from 44 people/sq mi in 42602 (Albany) to 62 in 42603 (Alpha).

Educational attainment ranges from 7.4% bachelor's+ in 42603 (Alpha) to 18.1% in 42602 (Albany) — the breadth of educational profiles across the area.

Within Kentucky, this is the #97 most populous of 120 counties and ranks #87 for median household income .

Weighted by population, the typical household earns about $45,012 across the county — reflecting what a typical resident sees, not a simple ZIP average.

17.4% of adults age 25+ hold a bachelor's degree or higher (1,198 of 6,872 reporting).

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

Stories about Clinton 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.

Albany

Population decline

Clinton County lost 6.6% of residents between 2014 and 2024. ZIPs that shed the largest share:

Albany
-12.7%
10,251 → 8,948 residents

All ZIP Codes in Clinton County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
42602AlbanyStandard8,948$44,375204.5-12.7%
42603AlphaStandard694$53,22911.1935.8%

Adjacent & Nearby Counties