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| City | Thornhill |
| State | Kentucky (KY) |
| County | Jefferson |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 38.288403 |
| Longitude | -85.625794 |
| Population | 192 |
| Density | 1208.0 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 40222 |
| Area Code | 502 |
| County Seat | Louisville |
| School District | Jefferson County School District |
Thornhill is a locality in Jefferson County, Kentucky, United States. It is a small community with a population of 192. The population density is 1208.0 people per km². Thornhill is located at 38.2884°N, 85.6258°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 40222.
Thornhill unfolds across a landscape gently sculpted by the passage of time and water. It lies 6.1 miles east of Jeffersonville, IN (from Jeffersonville, IN: bearing 83°T), and is situated 7.6 miles east-north-east of Louisville. Rolling hills, softened by the humid embrace of Kentucky summers, give way to fertile bottomlands where the earth, rich and dark, promises abundance. Ancient oaks, their branches reaching like gnarled fingers towards the vast, often cloud-streaked sky, stand as silent sentinels over fields of corn and soybeans that shimmer in the late afternoon sun. Creeks, their waters a low murmur after a spring rain, meander through the terrain, their banks lined with dogwood and redbud, offering fleeting bursts of color against the verdant backdrop. The air here, especially as dusk begins to descend, carries a peculiar stillness, a quiet invitation to pause and breathe in the scent of damp earth and ripening grain. The character of Thornhill is deeply rooted in its agricultural heritage, a legacy passed down through generations who worked this land with both grit and grace. For decades, the economy was tied to the soil, with tobacco farms and livestock providing the lifeblood of the community. Evidence of this past can still be seen in the weathered barns and sturdy farmhouses dotting the countryside, each whispering stories of hard work and simpler times. While farming remains a vital part of Thornhill's identity, newer industries have begun to weave their way into the local fabric, offering a blend of tradition and progress. The proximity to larger urban centers has also brought a subtle influx of new ideas and people, yet the fundamental spirit of Thornhill, one of neighborly connection and a deep appreciation for its rural setting, endures.
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This page provides an embedded street and satellite map of Thornhill, Kentucky — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 38.288403, -85.625794. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Thornhill and Jefferson County.
Detailed location data for Thornhill includes the ZIP code (40222), telephone area code (502), county seat of Jefferson County (Louisville), and school district assignment (Jefferson County School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Thornhill is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |