Dayton, LaSalle County
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| City | Dayton |
| State | Illinois (IL) |
| County | LaSalle |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 41.384755 |
| Longitude | -88.794242 |
| Population | 271 |
| Density | 76.2 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 61241, 61350 |
| Area Code | 847, 224, 815 |
| County Seat | Ottawa |
| School District | Ottawa Township High School District 140 |
Dayton is a locality in LaSalle County, Illinois, United States. It is a small community with a population of 271. The population density is 76.2 people per km². Dayton is located at 41.3848°N, 88.7942°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 61350.
Dayton rests in the embrace of a gently rolling landscape, where the earth exhales the scent of sun-warmed soil and distant rain. It lies 30.8 miles south-west of Oswego, IL (from Oswego, IL: bearing 228°T), and is situated 3.7 miles north-east of Ottawa. The sky here is a vast canvas, often brushed with the bruised purples and soft golds of a prairie sunset, casting long shadows that stretch across fields of corn and soybeans, their stalks whispering secrets to the wind. The air, especially in the hush of early morning, carries a crisp, clean quality, a testament to the open country that surrounds this small Illinois settlement. The terrain, smoothed by millennia of wind and water, offers a quietude that settles deep into the bones, a palpable stillness broken only by the drone of a far-off tractor or the occasional call of a hawk circling overhead. The history of Dayton is as deeply rooted as the ancient oaks that dot its periphery, a story woven into the agricultural fabric of LaSalle County. For generations, the land has yielded its bounty, supporting a local economy built on the enduring strength of farming, a tradition that continues to shape the rhythm of daily life. While the grander narratives of industry might have bypassed this particular corner of Illinois, Dayton possesses a distinct character, a quiet resilience forged in the shared experience of seasons and harvests. The modest buildings that line its main thoroughfare speak of a practical ingenuity, a straightforward approach to life that finds beauty in the enduring cycles of nature and the steadfastness of community.
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This page provides an embedded street and satellite map of Dayton, Illinois — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 41.384755, -88.794242. 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 Dayton and LaSalle County.
Detailed location data for Dayton includes the ZIP code (61241), telephone area code (847, 224, 815), county seat of LaSalle County (Ottawa), and school district assignment (Ottawa Township High School District 140). 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 Dayton 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. |