ZIP Codes of Harlan County, KY

Population & People
Population & People
Total Population
25,822
Household Income
Household Income
Median Income
$45,417
Housing
Housing
Total Housing Units
13,101
Business & Economy
Business & Economy
Total Businesses
362
Employment
Employment
Employment Rate
37.78%
Education
Education
Bachelor's Degree+
13.02%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 26 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:26 ZIP Codes (18 Standard, 8 PO Box, 0 Unique) [See All]
Area Code:606
Timezone:Eastern (GMT -05:00)
Local Time:2:12:19 PM
Population:25,822 [See All]
FIPS:21095
Land Area:498 sq mi
Water Area:3 sq mi
Coordinates:36.8587, -83.2223
Quick Link:
https://www.zip-codes.com/county/ky-harlan.asp
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Notable population decline
Lost 10.6% of residents since 2014.
Notable income spread
Median income ranges $21,815 to $68,155 across ZIPs — a 3.1× gap.
Wide geographic spread
ZIPs range from 61.8 sq mi down to 0.52 — a 118× sprawl ratio.

Standout ZIPs in this County


Most Populous
Harlan · 4,789 people
18.5% of county total
Highest Income
Cawood · $68,155 median
1.5× county average
Largest Land Area
Bledsoe · 61.8 sq mi
Spans the most ground
Fastest Growth
Evarts · 19.0% (10-yr)
3,598 → 4,280 residents
Most Educated
Harlan · 20.2% bachelor's+
705 of 3,490 adults 25+

Things worth knowing about Harlan County


25,822 residents live across 26 ZIPs covering 498 sq mi, served by 26 distinct USPS-recognized cities.

Population moved from 28,898 to 25,822 from 2014 to 2024 — a -10.6% change. 8 ZIPs gained residents, 18 lost.

The county's wealthiest ZIP 40815 (Cawood, $68,155 median) and poorest ZIP 40830 (Gulston, $21,815) are 4.8 miles apart — a 3.1× income gap across local geography.

Median home values vary 3.0× across this county — from $44,000 in 40863 (Pathfork) to $132,000 in 40870 (Totz).

Density varies 1428× across the county — from 20 people/sq mi in 40927 (Closplint) to 28,265 in 40807 (Benham).

Educational attainment ranges from 5.9% bachelor's+ in 40873 (Wallins Creek) to 33.3% in 40815 (Cawood) — the breadth of educational profiles across the area.

Within Kentucky, this is the #44 most populous of 120 counties and ranks #95 for median household income .

Weighted by population, the typical household earns about $41,724 across the county — reflecting what a typical resident sees, not a simple ZIP average.

13.0% of adults age 25+ hold a bachelor's degree or higher (2,341 of 17,982 reporting).

18 Standard delivery, 8 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Harlan County


Two counties in one

Median household income spans 3.1× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.

Wealthiest ZIP
Cawood
Median income: $68,155
Population: 811
Bachelor's+: 33.3%
vs
Poorest ZIP (pop >= 500)
Gulston
Median income: $21,815
Population: 312
Bachelor's+: 0.0%
For every $1 of household income in 40830, the typical household in 40815 earns $3.12.

Population decline

Harlan County lost 10.6% of residents between 2014 and 2024. ZIPs that shed the largest share:

Ages Brookside
-100.0%
573 → 0 residents
Cawood
-43.6%
1,439 → 811 residents
Loyall
-34.4%
1,029 → 675 residents
Baxter
-30.5%
2,492 → 1,732 residents
Wallins Creek
-13.3%
2,499 → 2,167 residents

All ZIP Codes in Harlan County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
40831HarlanStandard4,789$35,40460.7-11.3%
40828EvartsStandard4,280$41,35445.519.0%
40823CumberlandStandard3,742$35,40256.6-7.5%
40873Wallins CreekStandard2,167$33,35926.1-13.3%
40806BaxterStandard1,732$59,83723.2-30.5%
40810BledsoeStandard1,323$40,06661.8-9.6%
40824DayhoitPO Box977$49,6674.256.6%
40815CawoodStandard811$68,15523.6-43.6%
40819ColdironStandard808$31,79917.728.1%
40855LynchPO Box744$29,89112.0-11.5%
40863PathforkStandard706$49,57825.424.5%
40854LoyallPO Box675$55,2502.4-34.4%
40807BenhamPO Box619$49,1180.065.5%
40927ClosplintStandard584$52,38129.5166.7%
40870TotzStandard564$51,45213.063.0%
40865PutneyStandard426$56,8203.8-5.8%
40830GulstonStandard312$21,8156.4-9.6%
40818CoalgoodStandard1485.3131.3%
40820CranksStandard12125.0-69.4%
40964Mary AliceStandard1010.5-52.4%
40829Grays KnobPO Box62$56,1545.1-79.5%
40843Holmes MillStandard4814.4-84.8%
40847KenvirPO Box410.0-84.2%
40849LejuniorPO Box340.0-90.9%
40808Big LaurelStandard835.4-80.0%
40801Ages BrooksidePO Box00.0-100.0%

Adjacent & Nearby Counties