ZIP Codes of Cumberland County, KY

Population & People
Population & People
Total Population
5,984
Household Income
Household Income
Median Income
$42,978
Housing
Housing
Total Housing Units
3,388
Business & Economy
Business & Economy
Total Businesses
103
Employment
Employment
Employment Rate
46.43%
Education
Education
Bachelor's Degree+
19.00%
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 (1 Standard, 1 PO Box, 0 Unique) [See All]
Area Codes:270 / 364
Timezone:Central (GMT -06:00)
Local Time:2:12:17 PM
Population:5,984 [See All]
FIPS:21057
Land Area:315 sq mi
Water Area:8 sq mi
Coordinates:36.8019, -85.4517
Quick Link:
https://www.zip-codes.com/county/ky-cumberland.asp
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Notable population decline
Lost 11.7% of residents since 2014.

Standout ZIPs in this County


Most Populous
Burkesville · 5,969 people
99.7% of county total
Highest Income
Burkesville · $42,978 median
1.0× county average
Largest Land Area
Burkesville · 315.2 sq mi
Spans the most ground
Fastest Growth
Burkesville · -11.9% (10-yr)
6,779 → 5,969 residents
Most Educated
Burkesville · 19.1% bachelor's+
821 of 4,306 adults 25+

Things worth knowing about Cumberland County


5,984 residents live across 2 ZIPs covering 315 sq mi, served by 2 distinct USPS-recognized cities.

Population moved from 6,779 to 5,969 from 2014 to 2024 — a -11.9% change. 0 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 42717 (Burkesville, $42,978 median) and poorest ZIP 42717 (Burkesville, $42,978) are 0.0 miles apart — a 1.0× income gap across local geography.

Within Kentucky, this is the #114 most populous of 120 counties and ranks #105 for median household income .

Weighted by population, the typical household earns about $42,978 across the county — reflecting what a typical resident sees, not a simple ZIP average.

19.0% of adults age 25+ hold a bachelor's degree or higher (821 of 4,321 reporting).

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

Stories about Cumberland 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.

Burkesville

Population decline

Cumberland County lost 11.7% of residents between 2014 and 2024. ZIPs that shed the largest share:

Burkesville
-11.9%
6,779 → 5,969 residents

All ZIP Codes in Cumberland County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
42717BurkesvilleStandard5,969$42,978315.2-11.9%
42759MarrowbonePO Box150.0

Adjacent & Nearby Counties