ZIP code · Helton · Kentucky · United States
ZIP code 40840 — Helton
ZIP code 40840 serves Helton, Kentucky.
- Postal code
- 40840Single source Value from one source, not cross-checked.
- City
- Helton
- County
- Leslie FIPS 21131
- State
- Kentucky
- Country
- United States
- Coordinates
- 36.9540, -83.3907 — precision precise (locality)
View on OpenStreetMap - Population
- 490 (ZCTA, ACS 5-year)
- Population density
- 12 / sq mi
- Land area
- 41.8 sq mi (108.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $54,330
- Per-capita income
- $28,413
- Median age
- 51.5
- Households
- 175
- Housing units
- 228
- Median home value
- $71,500
- Congressional district
- KY-5 (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
- Area code
- 606 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 40840 with another ZIP · ZIPs within 25 miles · distance from 40840
Map of ZIP code 40840
Climate — monthly normals
Warmest month Jul (avg high 85°F), coldest Jan (avg low 26°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 45 | 49 | 58 | 68 | 76 | 82 | 85 | 85 | 80 | 70 | 58 | 49 |
| Avg low °F | 26 | 29 | 34 | 42 | 52 | 61 | 65 | 64 | 57 | 45 | 34 | 29 |
| Precip in | 4.1 | 4.3 | 5.0 | 4.8 | 4.7 | 4.7 | 4.8 | 4.5 | 3.5 | 3.2 | 3.6 | 5.0 |
NOAA 1991–2020 climate normals from the nearest station: BAXTER (7.4 mi) · NOAA NCEI
Places in ZIP 40840
- 2 places of worship
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page