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William W. Jarvis House

TroyIL

A town of 11,647. A typical home worth about $333K.

3 bordering townsMap →
Photo: Nyttend · Public domain
Population
11,647
+10.8% since 2010
Typical home
$333K
+4.4% in a year
Household income
$112K
median
Median age
35.2
years
Jobs based here
2,809
A commuter town

What makes Troy stand out

The 3 things Troy does most differently from other towns.

Picked automatically from the data
A growing town

Troy has grown 10.8% since 2010

9,888 people in 2010; 11,647 today.

9,8882010
10,9602020
11,647Today

U.S. Census 2010 & 2020 · ACS

Troy’s report card

See the data ↓

Now in Troy

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Troy is #1 of 635 in IL for “Highest graduation rate”. Fair?
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The data

Ordered by what stands out in Troy. Another town gets a different order.

Housing

A typical Troy home is worth about $333K

The typical Troy home is worth about $333,000, up 4.4% in a year, 12% above the Illinois typical home.

$333KZillow home value

Typical home value

Troy$333K
Illinois$298K
Market temperature
Seller’s marketA strong seller's marketBuyer’sSeller’s
121
days on market
98.6%
sale-to-list price
+4.4%
value change, 1 year
10
homes sold in May
Zillow Home Value Index · Redfin Data CenterHousing market →
Health

Healthier than 88% of U.S. towns

Troy beats the Illinois average on 14 of 32 CDC measures and trails it on 0.

AHealth Grade
32 measures vs. Illinois
14 better18 too close to call0 worse
What stands outTroyIL
Fewer uninsured adults5.1%9.9%
Fewer adults facing food insecurity8.6%15.9%
Anderson Hospital
3 mi away · emergency room
1 of 3
care shortages: mental health
88th
percentile among IL towns
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSAFull health report →
Outdoors

2.3% of Troy is conserved land

1.5 miles of trails across 2 parks and preserves.

2.3%conserved
2.3%
conserved · 91 of 4,001 acres
1.5 mi
of trails · 0.2 per sq mi
#257
most walkable in IL
Biggest places to walkTrailsAcres
1. Tri-Township Park1.1 mi87
2. Meadow Drive Park—1
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-USParks & trails →
Safety

Less crime per resident than 91% of U.S. towns

Troy reports less crime per resident than 91% of the U.S. towns and cities we grade.

ASafety Grade

Violent crime per 1,000 residents

Troy0.1
Illinois2.6
U.S.3.3

Property crime per 1,000 residents

Troy4.4
Illinois15.6
U.S.15.5
91st
percentile among U.S. towns we grade
83rd
percentile among IL towns
1
violent crimes reported in 2025
52
property crimes reported in 2025
FBI crime data, 2025 · crimes reported to policeFull safety report →
Work & commute

Most working residents commute out of Troy

Most working residents leave Troy for work: only 8% work in town. The top destinations are St. Louis (10%), Edwardsville (7%) and Belleville (5%). Half commute less than 15 miles.

8%work in town

Where working residents work

In Troy8%
St. Louis10%
Edwardsville7%
Belleville5%
Collinsville4%
15 mi
median commute distance
2,809
jobs based in Troy
A commuter town
jobs vs. working residents
Census LEHD 2023 · ACSCommute map →
Climate

Four seasons, pleasant summers

Troy has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 23°, and about 11 inches of snow falls in a normal winter.

11″snow a winter

Typical low → high °F

Winter26–42°
Spring45–66°
Summer66–87°
Fall47–68°
Oct 20
typical first frost
Apr 12
typical last frost
+1.0°
vs. the 20th-century average
NOAA U.S. Climate Normals, 1991–2020Full climate →
Natural hazards

Moderate risk, with inland flooding at the top

Expected storm and flood damage is higher than in 58% of U.S. communities.

58risk score of 100
FEMA risk score
58Moderate riskLowerHigher
Inland floodingEarthquakesTornadoes
1
paid flood claims since 2019
FEMA National Risk Index · OpenFEMANatural hazards →
A commuter town

92% of working residents leave Troy for work

Where Troy’s working residents go each day. Line width shows the share.

10% → St. Louis St. Louis 10% 7% → Edwardsville Edwardsville 7% 5% → Belleville Belleville 5% 4% → Collinsville Collinsville 4% 4% → Maryville Maryville 4% 3% → O'Fallon O'Fallon 3% Troy · 8% stay
2,809jobs based in Troy
8%of working residents work in town
15 mimedian commute distance

Census LEHD 2023

John Carney House
John Carney House · National Register of Historic Places
Troy’s story

Troy in pictures

2 places on the National Register of Historic Places.

Explore the history →

Landmarks

2 places in Troy on the National Register of Historic Places.

All landmarks →

About Troy

City in Illinois, United States

Official town website ↗

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.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Population
10,960
Area
5.3 sq mi
Elevation
538 ft
ZIP code
62294
Area code
618

Troy’s neighbors

3 towns share a border with Troy.

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Photo of Troy

Troy, IL · Photo: Nyttend · Public domain · Source ↗