ZIP code · Clay City · Kentucky · United States
ZIP code 40312 — Clay City
ZIP code 40312 serves Clay City, Kentucky.
- Postal code
- 40312Single source Value from one source, not cross-checked.
- City
- Clay City
- County
- Powell FIPS 21197
- State
- Kentucky
- Country
- United States
- Coordinates
- 37.8524, -83.9309 — precision precise (locality)
View on OpenStreetMap - Population
- 6,156 (ZCTA, ACS 5-year)
- Population density
- 108 / sq mi
- Land area
- 56.9 sq mi (147.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $38,081
- Per-capita income
- $24,756
- Median age
- 39.6
- Households
- 2,278
- Housing units
- 2,748
- Median home value
- $148,300
- Median gross rent
- $710 / month
- Congressional district
- KY-6 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °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 40312 with another ZIP · ZIPs within 25 miles · distance from 40312
Map of ZIP code 40312
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 23°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 42 | 47 | 56 | 67 | 75 | 82 | 84 | 83 | 79 | 69 | 57 | 46 |
| Avg low °F | 23 | 26 | 33 | 42 | 52 | 61 | 64 | 63 | 56 | 43 | 34 | 28 |
| Precip in | 3.6 | 3.7 | 5.0 | 4.6 | 5.8 | 5.1 | 5.8 | 4.2 | 4.2 | 3.6 | 3.4 | 4.2 |
NOAA 1991–2020 climate normals from the nearest station: STANTON 2W (1.9 mi) · NOAA NCEI
Places in ZIP 40312
- 3 schools
- 2 restaurants & cafés
- 1 parks
- 1 post offices
- 7 places of worship
- 4 gas stations
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