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| City | Washington |
| State | Illinois (IL) |
| County | Tazewell |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 40.703648 |
| Longitude | -89.407312 |
| Population | 15,919 |
| Density | 719.8 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 61571 |
| Area Code | 815 |
| County Seat | Pekin |
| School District | Washington Community High School District 308 |
Washington is a locality in Tazewell County, Illinois, United States. It has a population of 15,919. The population density is 719.8 people per km². Washington is located at 40.7036°N, 89.4073°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 61571.
Washington, Illinois, unfolds with a gentle character across the landscape, its streets meandering with a quiet grace. It lies 9.5 miles east of Peoria, IL (from Peoria, IL: bearing 86°T), and is situated 9.4 miles east-north-east of East Peoria. The terrain here is a subtle study in the rolling prairie, where fields of corn and soybeans stretch towards horizons punctuated by the occasional windbreak of oak and maple. Even in the heat of summer, a certain coolness seems to cling to the air, a whisper of the vast, open sky that presides over this land. Sunlight, particularly as it begins its descent, casts long, buttery shadows that deepen the greens of the cultivated fields and lend a golden luminescence to the clapboard houses and sturdy brick buildings that define Washington. It is a place that feels both grounded and airy, a comfortable interlude between the deep earth and the boundless heavens. The history of Washington is rooted in the rich agricultural soil that continues to define its economic pulse, a legacy of the pioneers who first tilled this fertile ground. For generations, farming has been the bedrock of its prosperity, a steady rhythm of planting and harvest that has shaped the town's identity. While agriculture remains a vital force, Washington has also embraced a diversified economy, with small businesses and light industry contributing to its vibrant present. The town bears the imprint of its past in the enduring architecture of its older buildings, testament to a community that has built and rebuilt, adapting to changing times while holding fast to its core values. Local traditions, often tied to the agricultural calendar and the changing seasons, are cherished, fostering a sense of continuity and shared experience among its residents.
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This page provides an embedded street and satellite map of Washington, Illinois — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 40.703648, -89.407312. 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 Washington and Tazewell County.
Detailed location data for Washington includes the ZIP code (61571), telephone area code (815), county seat of Tazewell County (Pekin), and school district assignment (Washington Community High School District 308). 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 Washington 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. |