Where is Decatur?
Decatur is a city in Illinois, United States. Its population is about 73,254 inhabitants. It is located near St. Louis (172 km) and Peoria (109 km).
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Map of Decatur
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The Where Is tool lets you pinpoint any city, country, mountain, island or other geographic feature on an interactive globe. Enter a name in the search box and you get an instant, visual answer: the globe rotates to the place, showing you its exact position on Earth.
Each place gets its own dedicated page with key facts — country, region, coordinates, population, timezone, elevation — plus a list of nearby cities and a link to the same-latitude tool.
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Start typing in the search box above. Suggestions appear as you type; select one to go to its page. On a place page the globe automatically rotates to the location and drops a pin. You can still drag the globe to explore, zoom with the scroll wheel, or double-click to reset the view.
Frequently Asked Questions
Where is Decatur located?
Decatur is a city in Illinois, United States, located at 39.8403°N, 88.9548°W.
Which country is Decatur in?
Decatur is in United States.
What is the population of Decatur?
The population of Decatur is approximately 73,254 inhabitants.
What region is Decatur in?
Decatur is located in the Illinois region of United States.
How far is Decatur from Washington?
Decatur is approximately 1029 km from Washington, the capital of United States.
What time zone is Decatur in?
Decatur is in the America/Chicago time zone.
What are the coordinates of Decatur?
The geographic coordinates of Decatur are 39.8403°N, 88.9548°W.
What cities are near Decatur?
Cities near Decatur include: St. Louis, Peoria, Springfield, North Peoria.
Geographic data from GeoNames, licensed under CC BY 4.0.