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Troy, IL
City in Madison County, Illinois. ZIP codes: 62294.
Population
11,647
Land area
6.2sq mi
People per sq mi
1,868
ZIP codes
1
Troy and its ZIP codes
Troy at a glance
- Troy is about 8.2 times as dense as Illinois as a whole.
- By population, it ranks 202nd among 1,445 cities and towns in Illinois.
- The median household income is $112,434, 35% above the Illinois median of $83,390.
- A typical owner-occupied home is valued at $268,000 and median rent is $1,116 a month.
Local data for Troy, IL
Counts from official public data
Housing and community stats
Troy, IL, American Community Survey 2020-2024
Median household income
$112,434
Poverty rate
2.0%
Median home value
$268,000
Median rent
$1,116/mo
Homeownership
73.6%
Bachelor's or higher
45.2%
Median age
35.2
Average commute
25.7 min
Largest reported origins and ancestries: German Americans (3,420), Irish Americans (1,771), Italian Americans (742).
Economy and federal money
Jobs, pay, income and spending are for Madison County. PPP loans are for Troy.
Unemployment rate
3.5%
Aug 2026, -0.9 pts in a year
Average annual pay
$59,911
107,517 jobs, 2025
Income per person
$62,684
BEA, 2024
Federal spending
$1.7B
FY 2026, $6,581 per person
How people get to work
Troy, IL, workers 16 and older. American Community Survey 5-year estimates
- Drove alone81.1%
- Carpooled5.7%
- Public transit0.2%
- Walked0.3%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.4%
- Worked from home12.3%
Average one-way commute: 25.7 minutes for people who do not work from home.
Environment and hazard risk
Troy, IL, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Moderate
Top: heat wave
Storm events since 1996
854
Countywide, mostly thunderstorm wind
Flood insurance policies
824
0.8% of homes, county
July high / Jan low
90° / 24°F
43.4 inches of rain a year
Hazards, floods and storm historyCheck a flood zone2 historic places
Health statistics
Share of adults in Troy, IL, CDC PLACES estimates
Obesity
35.4%
U.S. 33.3% +2.1 pts
Diabetes
8.3%
U.S. 12.1% -3.8 pts
Smoking
10.2%
U.S. 12.8% -2.6 pts
Uninsured (18-64)
5.1%
U.S. 11.1% -6.0 pts
ZIP codes in Troy
1 in or overlapping Troy. Population shown
Cities near Troy
| Name | Distance | Land area (sq mi) |
|---|---|---|
| St. JacobVillage | 4.6 mi | 0.8 |
| MarineVillage | 6.4 mi | 0.7 |
| MaryvilleVillage | 7.5 mi | 5.8 |
| CollinsvilleCity | 7.9 mi | 15.4 |
| Glen CarbonVillage | 8 mi | 10.3 |
| O'FallonCity | 8.6 mi | 15.8 |
| LebanonCity | 8.8 mi | 2.7 |
| EdwardsvilleCity | 9.3 mi | 20 |
| SummerfieldVillage | 9.9 mi | 0.5 |
| HighlandCity | 10 mi | 7.2 |
| TrentonCity | 12 mi | 1.9 |
| Pontoon BeachVillage | 12 mi | 10 |
| Fairview HeightsCity | 12 mi | 11.5 |
| CaseyvilleVillage | 12 mi | 7.3 |
| Scott AFBCensus-designated place | 12 mi | 4.3 |
| HamelVillage | 12 mi | 1.2 |
Frequently asked questions
- What county is Troy, IL in?
- Troy is in Madison County, Illinois.
- What ZIP codes are in Troy, IL?
- ZIP codes in or overlapping Troy include 62294.
- What is the population of Troy, IL?
- About 11,647 people live in Troy, based on American Community Survey 5-year estimates.
- What cities are near Troy?
- Nearby places include St. Jacob (4.6 mi), Marine (6.4 mi), Maryville (7.5 mi), Collinsville (7.9 mi), Glen Carbon (8 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023