Troy, Madison County, Illinois
City in Madison County, Illinois · ZIP 62294
- Madison County
- Within Jarvis Township
- Census data · ACS 2019-2023
- 4 public schools
- 11,810 (2024 estimate)Population
- 4,246Households
- $97,825Median household income
- $240,800Median home value
- 4Public schools
- 1ZIP codes
About Troy
This page shows only what has been published about Troy: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.
Town intelligenceOfficial sources, refreshed yearly
| Census | Population |
|---|---|
| 2000 | 8,524 |
| 2010 | 9,888 |
| 2020 | 10,960 |
As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.
Sources: Census 2000 Summary File 1: total population, place level, state 17, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 17, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 17, retrieved November 14, 2026.
Median household income $97,825 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.
Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 17, retrieved November 14, 2026.
- Owner occupied
- 2,867 units
- Renter occupied
- 1,379 units
- Vacancy rate
- 7.5%
Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.
Source: American Community Survey 5-year data profile 2019–2023, place level, state 17, retrieved November 14, 2026.
| Measure | Troy | Madison County | Illinois |
|---|---|---|---|
| Population | 10,889 | 264,631 | 12,692,653 |
| Median household income | $97,825 | $74,800 | $81,702 |
| Median age | 35.8 | 40.2 | 38.9 |
| Median home value | $240,800 | $167,900 | $250,500 |
| Bachelor’s degree or higher | 45.5% | 30.8% | 37.2% |
| Foreign-born residents | 2.1% | 2.2% | 14.4% |
| Owner-occupied homes | 67.5% | 73.6% | 66.8% |
| Mean commute to work | 24.9 minutes | 25.2 minutes | 28.1 minutes |
Source: American Community Survey 5-year data profile 2019–2023, place level, state 17, retrieved November 14, 2026.
CommunityRules and moderation
Events in TroyAll events
No upcoming event is listed in Troy yet. Members and businesses add events from the Events page; each is screened before it shows.
Schools
| School | Type | Grades | District |
|---|---|---|---|
| C A Henning School | Public | Pre-K–5 | Triad CUSD 2 |
| Silver Creek Elementary | Public | Pre-K–5 | Triad CUSD 2 |
| Center for Educ Opp | Alternative | 6–12 | Madison ROE |
| Triad High School | Public | 9–12 | Triad CUSD 2 |
Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.
Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.
Frequently asked about TroyPromoted from questions people asked
No question about Troy has been asked often enough to publish an answer yet. Ask Troy and the answer, once a person checks it, appears here.
Nearby towns
- Jarvis TownshipTownship
- MaryvilleVillage
- Pin Oak TownshipTownship
- Collinsville TownshipTownship
- Glen CarbonVillage
- Edwardsville TownshipTownship
- EdwardsvilleCity
- CollinsvilleCity
- St. JacobVillage
- MarineVillage
Other towns in Madison County
- AlhambraVillage
- Alhambra TownshipTownship
- AltonCity
- BethaltoVillage
- Chouteau TownshipTownship
- Collinsville TownshipTownship
- CollinsvilleCity
- East AltonVillage
- Edwardsville TownshipTownship
- EdwardsvilleCity
Other places named Troy in Illinois
- Troy TownshipTownship