Zip Code 40843 — Holmes Mill, KY
40843 is a ZIP Code associated with Holmes Mill, KY, located within Harlan. 40843 ranks #22 out of 25 ZIP codes in Harlan County by population (and #742 out of 780 in KY). The area supports an estimated population of 48 residents across Data Pending housing units, with a population density of 1.2 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (36.888260, -82.936660)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 40843 |
| Primary City | Holmes Mill |
| State / Province | KY |
| County | Harlan |
| Total Population | 48 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 1.2 people/sq mi |
| Timezone | America/New_York |
How 40843 Compares
| Metric | ZIP 40843 | Harlan County | KY State Average |
|---|
| Population | 48 | 25,814 (Total) | 4,542,460 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 1.2 /sq mi | -- | -- |
| County Pop Rank | #22 of 25 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →