Troy
City in Madison County, Illinois

Troy is a city in Madison County, Illinois, with 10,960 residents (2020 Census). It sits at 538 ft (164 m) above sea level. The nearest town is Maryville, 3.8 miles W.
- 10,960residents (2020 Census)
- 538 ftelevation · 164 m
- 6.4 sq miland area · 16.5 km²
- 1,717 / sq mipopulation density
- 62294ZIP code
About Troy
Troy is a city in Madison County, Illinois, United States. The population was 10,960 at the 2020 census, up from 9,888 in 2010.
Troy is part of the St. Louis Metropolitan Statistical Area. Its namesake in Lincoln County, Missouri, is also part of this MSA, making it (along with the two O'Fallons in Illinois and Missouri) one of the few pairs of like-named municipalities to be part of the same MSA.
Text: Wikipedia · CC BY-SA 4.0
Troy weather: 7-day forecast
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Live webcams in Troy
Webcams: Windy.com
Living in Troy
- Median household income
- $112,434
- Median home value
- $268,000
- Median rent
- $1,116/mo
- Median age
- 35.2
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Map of Troy
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Open in Google Maps ›Troy, IL population
Troy had 10,960 residents in the 2020 Census.
| 2020 Census | 10,960 |
|---|---|
| Density | 1,717 per sq mi (663 per km²) |
Source: U.S. Census Bureau, Decennial Census.
Troy at a glance
| State | Illinois (IL) |
|---|---|
| County | Madison County |
| Type | City |
| Population | 10,960 (2020) |
| Land area | 6.38 sq mi (16.5 km²) |
| Water area | 0.05 sq mi (0.13 km²) |
| Elevation | 538 ft (164 m) |
| Coordinates | 38.7262° N, 89.8935° W |
| ZIP code | 62294 |
| Official website | ci.troy.il.us |
| Census code (GEOID) | 1776199 |
Sources: U.S. Census Bureau (Gazetteer, ZCTA), USGS GNIS, Wikidata.
Towns near Troy
- Maryville3.8 mi W
- Glen Carbon5.3 mi NW
- Edwardsville6.8 mi NW
- Collinsville6.9 mi SW
- St. Jacob7.0 mi E
- Marine7.5 mi NE
- Pontoon Beach8.5 mi W
- O'Fallon8.8 mi S
- Lebanon9.8 mi SE
- Caseyville10.1 mi SW
- Mitchell10.5 mi W
- Roxana10.6 mi NW
Straight-line distance between town centers.
Frequently asked questions about Troy
What county is Troy in?
Troy is in Madison County, Illinois.
What is the population of Troy, IL?
10,960 people lived in Troy at the 2020 Census.
What is the ZIP code of Troy, IL?
The ZIP code of Troy is 62294.
What is the elevation of Troy?
538 feet (164 m) above sea level.
What towns are near Troy?
Maryville (3.8 mi), Glen Carbon (5.3 mi), Edwardsville (6.8 mi), Collinsville (6.9 mi), St. Jacob (7.0 mi).
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