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CITY · 2010 ACS

Troy

Illinois · 9,888 residents · 5.694 sq mi
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The short version

Troy is wealthier than most US places, with a median household income of $65,556. Population has grown 16% since 2000. Median home value has risen by half since 2000, reaching $172,500.

At a glance
Wealthier
above the US median
US median: $52,703
Younger
median age 35.1
US median: 37.2
Less educated
23% hold a bachelor's degree
US average: 28%
Less affordable
home values up 37%, inflation adjusted
US median home: $225,659
Section 01

Population & growth

Total population
9,888
+16%since 2000
from 8,524 in 2000
1990 – 2025
Population density
1,737 / sq mi
+16%since 2000
from 1,497 / sq mi in 2000
US average: 261
Median age
35.1
+7%since 2000
from 32.9 in 2000
US average: 37.2
Population, 1990 – 2024
5K7K9K11K12K1990201020202024Troy
202412K
1990201020202024
Section 02

Income & economy

Median household income
$65,556
−4%inflation adjusted, since 2000
from $53,720 in 2000
US average: $52,703
1990 – 2024
Per capita income
$27,458
+30%since 2000
from $21,174 in 2000
US average: $27,286
Households earning $100K+
42.8%
+2.3 ptssince 2009
from 40.4% in 2009
US average: 33.3%
Poverty rate
8.6%
+5.2 ptssince 2000
from 3.4% in 2000
US average: 13.8%
Income inequality (Gini)
0.402
US average: 0.461
Workforce by industry, 2010
Retail trade10.8%
US avg: 10.9%
Information9.4%
US avg: 11.5%
Finance & insurance7.4%
US avg: 5.1%
Other services7.4%
US avg: 7%
Wholesale trade6.5%
US avg: 7.2%
Professional, scientific, technical5%
US avg: 4.2%
Public administration5%
US avg: 4.9%
Arts, entertainment, food3.6%
US avg: 2.4%
Education & health services2.4%
US avg: 0.9%
Transportation & warehousing2.1%
US avg: 3.1%
Agriculture, forestry, fishing0%
US avg: 1.9%
Construction0%
US avg: 1.4%
Manufacturing0%
US avg: 0.5%
BARS: THIS PLACE · TICKS: US AVERAGE
Section 03

Housing

Median home value
$172,500
+37%inflation adjusted, since 2000
from $99,600 in 2000
US average: $225,659
1990 – 2024
Median gross rent
$662
−10%inflation adjusted, since 2000
from $578 in 2000
US average: $853
Owner-occupied
59.5%
−13.6 ptssince 2000
from 73.1% in 2000
28.2% rent
Vacancy rate
4.4%
−1.5 ptssince 2009
from 5.8% in 2009
US average: 12.1%
Owner cost-burdened
17.0%
−1.7 ptssince 2009
from 18.7% in 2009
US average: 30.9%
Renter cost-burdened
42.2%
+2.3 ptssince 2009
from 39.9% in 2009
US average: 46.8%
Afford Score
2.6
+42%since 2000
from 1.9 in 2000
1990 – 2024
RELATED:See current rent listings in Troy on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic94.6%(8,063)
Black1.5%(126)
Hispanic / Latino1.5%(127)
Asian0.7%(60)
Other0%
Diversity Score9.1%(776)
2010
White, non-Hispanic92.3%(9,126)
Black2%(196)
Hispanic / Latino2.6%(259)
Asian1%(98)
Other2.8%(279)
Diversity Score19.8%(1,955)
Diversity Score
20
+117%since 2000
from 9 in 2000
1990 – 2024
Section 05

Education

Bachelor's degree or higher
23.1%
−1.1 ptssince 2000
from 24.3% in 2000
US average: 27.9%
High school or higher
90.5%
+0.6 ptssince 2000
from 90.0% in 2000
US average: 84.9%
Graduate degree
7.8%
−0.5 ptssince 2000
from 8.4% in 2000
US average: 10.2%
Section 06

Commute & transportation

Average commute
26.3 min
+58%since 2000
from 16.6 min in 2000
US average: 25.2
Drive alone to work
86.6%
+1.2 ptssince 2009
from 85.5% in 2009
US average: 76.2%
Carpooled to work
9.1%
+0.6 ptssince 2009
from 8.6% in 2009
US average: 10.4%
Public transit
0.6%
−0.2 ptssince 2009
from 0.8% in 2009
US average: 4.7%
Worked from home
2.0%
−1.4 ptssince 2009
from 3.4% in 2009
US average: 4.1%
Walked to work
0.9%
Unchangedsince 2009
from 0.8% in 2009
US average: 2.8%
Biked to work
0.0%
Unchangedsince 2009
from 0.0% in 2009
US average: 0.5%
No vehicle available
1.0%
−0.3 ptssince 2009
from 1.3% in 2009
US average: 8.7%
Section 07

Work & employment

Self-employed
11.1%
+1.4 ptssince 2009
from 9.6% in 2009
US average: 12.9%
Management & professional
34.5%
−32.3 ptssince 2009
from 66.8% in 2009
US average: 35.2%
Section 08

People & community

Male
54.4%
+2.3 ptssince 2009
from 52.1% in 2009
Female
45.6%
−2.3 ptssince 2009
from 47.9% in 2009
Foreign born
3.0%
+1.2 ptssince 2009
from 1.8% in 2009
US average: 12.8%
Veterans
16.7%
−34.8 ptssince 2009
from 51.4% in 2009
US average: 9.9%
Drill deeper

Places similar to Troy

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Pop 12,102
Olympia Heights
Pop 12,399
Gateway
Pop 11,176
Pebble Creek
Pop 10,447
Places similar to Troy
Head to head

Compare Troy to nearby cities

TROY VS
Maryville
Income$100,670+54%
Home value$261,800+52%
Population8,413−29%
SEE FULL COMPARISON →
TROY VS
Glen Carbon
Income$97,168+48%
Home value$282,000+63%
Population13,898+17%
SEE FULL COMPARISON →
TROY VS
Edwardsville
Income$86,721+32%
Home value$299,800+74%
Population26,463+123%
SEE FULL COMPARISON →
TROY VS
Collinsville
Income$67,612+3%
Home value$163,600−5%
Population23,717+99%
SEE FULL COMPARISON →
Frequently asked

How many people live in Troy, Illinois?

Troy, Illinois has about 9,888 residents according to the 2010 American Community Survey.

What is the median household income in Troy, Illinois?

The typical household in Troy, Illinois earns about $65,556 a year. Half of households make more than that, and half make less.

Is Troy, Illinois expensive?

In Troy, Illinois, the median home is worth about $172,500, and the typical rent is about $662 a month.

How educated are people in Troy, Illinois?

About 23.1% of adults age 25 and over in Troy, Illinois hold a bachelor's degree or higher.

What is the poverty rate in Troy, Illinois?

About 8.6% of people in Troy, Illinois live below the federal poverty line.

Has Troy, Illinois grown since 1990?

Yes, Troy, Illinois has grown since 1990. The population has added about 3,842 residents, a change of about 64 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

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