ZIP Codes of Lincoln County, KY

Population & People
Population & People
Total Population
27,388
Household Income
Household Income
Median Income
$54,742
Housing
Housing
Total Housing Units
12,010
Business & Economy
Business & Economy
Total Businesses
309
Employment
Employment
Employment Rate
49.89%
Education
Education
Bachelor's Degree+
16.72%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 6 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:6 ZIP Codes (5 Standard, 1 PO Box, 0 Unique) [See All]
Area Code:606
Timezone:Eastern (GMT -05:00)
Local Time:2:12:20 PM
Population:27,388 [See All]
FIPS:21137
CBSA:Danville, KY
Land Area:438 sq mi
Water Area:4 sq mi
Coordinates:37.4301, -84.6817
Quick Link:
https://www.zip-codes.com/county/ky-lincoln.asp
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Kentucky's #42 most populous county
27,388 residents across 6 ZIPs — #42 of 120 Kentucky counties.

Standout ZIPs in this County


Most Populous
Stanford · 12,331 people
45.0% of county total
Highest Income
Crab Orchard · $56,549 median
1.0× county average
Largest Land Area
Stanford · 144.2 sq mi
Spans the most ground
Fastest Growth
Waynesburg · 15.4% (10-yr)
3,933 → 4,538 residents
Most Educated
Hustonville · 20.7% bachelor's+
649 of 3,140 adults 25+

Things worth knowing about Lincoln County


27,388 residents live across 6 ZIPs covering 438 sq mi, served by 6 distinct USPS-recognized cities.

Population moved from 26,355 to 27,388 from 2014 to 2024 — a +3.9% change. 3 ZIPs gained residents, 2 lost (and 1 held flat).

The county's wealthiest ZIP 40419 (Crab Orchard, $56,549 median) and poorest ZIP 40484 (Stanford, $52,609) are 12.3 miles apart — a 1.1× income gap across local geography.

Median home values vary 1.8× across this county — from $91,200 in 40489 (Waynesburg) to $165,500 in 40484 (Stanford).

Density varies across the county — from 29 people/sq mi in 40442 (Kings Mountain) to 86 in 40484 (Stanford).

Educational attainment ranges from 7.6% bachelor's+ in 40489 (Waynesburg) to 20.7% in 40437 (Hustonville) — the breadth of educational profiles across the area.

Within Kentucky, this is the #42 most populous of 120 counties and ranks #72 for median household income .

Weighted by population, the typical household earns about $54,167 across the county — reflecting what a typical resident sees, not a simple ZIP average.

16.7% of adults age 25+ hold a bachelor's degree or higher (3,135 of 18,747 reporting).

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

All ZIP Codes in Lincoln County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
40484StanfordStandard12,331$52,609144.212.0%
40419Crab OrchardStandard5,250$56,54993.614.5%
40489WaynesburgStandard4,538$56,03466.715.4%
40437HustonvilleStandard4,488$53,775106.7-18.4%
40442Kings MountainStandard78126.8-41.1%
40448Mc KinneyPO Box00.0

Adjacent & Nearby Counties