Rio, Illinois — interactive Google street map, satellite and terrain views, Street View, live National Weather Service conditions and 7-day forecasts, real-time local and world news, and an editorial description of Rio, Knox County.
| City | Rio |
| State | Illinois (IL) |
| County | Knox |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 41.109204 |
| Longitude | -90.399851 |
| Population | 205 |
| Density | 119.7 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 61472 |
| Area Code | 815 |
| County Seat | Galesburg |
| School District | ROWVA Community Unit School District 208 |
Rio is a locality in Knox County, Illinois, United States. It is a small community with a population of 205. The population density is 119.7 people per km². Rio is located at 41.1092°N, 90.3999°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 61472.
Rio, Illinois, unfolds across a landscape of gently rolling prairie, where fields of corn and soybeans stretch towards horizons softened by the hazy breath of summer. It lies 11.3 miles north of Galesburg, IL (from Galesburg, IL: bearing 352°T), and is situated 5.8 miles south of Alpha. The air, especially in the late afternoon, carries a scent of dry earth and the faint, sweet perfume of ripening grain, a testament to the fertile soil that defines this region. Here, the sky feels vast, an endless canvas where clouds drift in slow procession, their shadows painting ephemeral patterns on the land. The houses, often painted in sturdy, practical hues, stand with an unassuming grace, their porches inviting quiet contemplation as the day wanes. The history of Rio is tied to the agrarian heart of Knox County, a place where generations have understood the deep, enduring rhythms of the land. Its economy, like much of this territory, has long been rooted in agriculture, the cultivation of the earth providing sustenance and livelihood. While not a bustling metropolis, Rio possesses a quiet character, a sense of community built on shared experiences and the enduring strength of its founding principles. The local school, a central point of gathering, and the familiar spire of its church are anchors in the lives of its residents, places where traditions are kept alive and the continuity of life is felt in the everyday.
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This page provides an interactive Google map of Rio, Illinois with street, satellite and terrain views and integrated Street View imagery. 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 Rio and Knox County.
Detailed location data for Rio includes the ZIP code (61472), telephone area code (815), county seat of Knox County (Galesburg), and school district assignment (ROWVA Community Unit School District 208). 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 Rio is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | June 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. |