Troy, Illinois

For the village in Troy Township, Will County, see Shorewood, Illinois.

Troy, Illinois
City
William W. Jarvis House
William W. Jarvis House
Location in Madison County, Illinois
Location in Madison County, Illinois
Coordinates: 38°43′05″N 89°52′35″W / 38.71806°N 89.87639°W / 38.71806; -89.87639
CountryUnited States
StateIllinois
CountyMadison
TownshipsJarvis, Pin Oak
Area
[1]
 • Total
5.67 sq mi (14.69 km2)
 • Land5.62 sq mi (14.56 km2)
 • Water0.054 sq mi (0.14 km2)
Elevation
[3]
558 ft (170 m)
Population
 (2020)[2]
 • Total
10,960
 • Density1,950.2/sq mi (752.96/km2)
Time zoneUTC-6 (CST)
 • Summer (DST)UTC-5 (CDT)
ZIP code
62294
Area code618
FIPS code17-76199
GNIS feature ID2397061[3]
Websitewww.troyil.us

Troy is a city in Madison County, Illinois, United States. The population was 10,960 at the 2020 census,[2] 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.

History

Troy was platted in 1819.[4] It was incorporated as a town on February 18, 1857, and as a city in 1892.[5]

Geography

Troy is located in south-central Madison County and is bordered to the west by Maryville and to the northwest by Glen Carbon.

Interstates 55 and 70 pass through the west side of Troy, with access from exits 17 and 18. The highways together lead southwest 20 miles (32 km) to St. Louis, while diverging just north of Troy: I-55 leads north 75 miles (121 km) to Springfield, the state capital, while I-70 leads east 50 miles (80 km) to Vandalia. U.S. Route 40 passes through the south side of Troy, joining I-55 and I-70 at the western edge of the city and leading east 11 miles (18 km) to Highland. Illinois Route 162 passes through the center of Troy as Center Street, Market Street, and Edwardsville Road, leading east 2.5 miles (4.0 km) to US 40 and west 4 miles (6 km) to the north part of Maryville.

According to the U.S. Census Bureau, Troy has a total area of 5.67 square miles (14.69 km2), of which 5.62 square miles (14.56 km2) are land and 0.05 square miles (0.13 km2), or 0.92%, is water.[1] Most of the city drains eastward into tributaries of Silver Creek, a south-flowing tributary of the Kaskaskia River. The westernmost part of the city drains to Canteen Creek, which flows southwest to the Mississippi River valley at East St. Louis.

Demographics

Historical population
CensusPop.Note%±
1880648—
189082627.5%
19001,08030.8%
19101,44734.0%
19201,312−9.3%
19301,122−14.5%
19401,1542.9%
19501,2609.2%
19601,77841.1%
19702,14420.6%
19803,77275.9%
19906,04660.3%
20008,52441.0%
20109,88816.0%
202010,96010.8%
U.S. Decennial Census[6]

2020 census

As of the 2020 census, Troy had a population of 10,960. The median age was 37.2 years. 25.5% of residents were under the age of 18 and 13.5% of residents were 65 years of age or older. For every 100 females there were 94.2 males, and for every 100 females age 18 and over there were 91.3 males age 18 and over.[7][8]

98.6% of residents lived in urban areas, while 1.4% lived in rural areas.[9]

There were 4,307 households in Troy, of which 35.4% had children under the age of 18 living in them. Of all households, 54.4% were married-couple households, 14.8% were households with a male householder and no spouse or partner present, and 24.3% were households with a female householder and no spouse or partner present. About 24.7% of all households were made up of individuals and 10.3% had someone living alone who was 65 years of age or older.[7]

There were 4,510 housing units, of which 4.5% were vacant. The homeowner vacancy rate was 1.0% and the rental vacancy rate was 5.4%.[7]

Racial composition as of the 2020 census[8]
Race Number Percent
White 9,711 88.6%
Black or African American 278 2.5%
American Indian and Alaska Native 30 0.3%
Asian 102 0.9%
Native Hawaiian and Other Pacific Islander 2 0.0%
Some other race 86 0.8%
Two or more races 751 6.9%
Hispanic or Latino (of any race) 357 3.3%

2000 census

At the 2000 census there were 8,524 people in 3,100 households, including 2,356 families, in the city. The population density was 2,037.6 inhabitants per square mile (786.7/km2). There were 3,201 housing units at an average density of 765.2 per square mile (295.4/km2). The racial makeup of the city was 95.48% White, 1.48% African American, 0.32% Native American, 0.70% Asian, 0.38% from other races, and 1.64% from two or more races. Hispanic or Latino of any race were 1.49%.[10]

Of the 3,100 households 45.2% had children under the age of 18 living with them, 60.1% were married couples living together, 12.5% had a female householder with no husband present, and 24.0% were non-families. 19.5% of households were one person and 6.8% were one person aged 65 or older. The average household size was 2.75 and the average family size was 3.16.

The age distribution was 30.2% under the age of 18, 8.6% from 18 to 24, 34.3% from 25 to 44, 19.2% from 45 to 64, and 7.7% 65 or older. The median age was 33 years. For every 100 females, there were 96.0 males. For every 100 females age 18 and over, there were 91.5 males.

The median household income was $53,720 and the median family income was $59,643. Males had a median income of $41,705 versus $27,542 for females. The per capita income for the city was $21,174. About 2.1% of families and 3.4% of the population were below the poverty line, including 3.4% of those under age 18 and 4.5% of those age 65 or over.

Notable people

  • Paul Simon, US senator
  • Jesse L. Simpson, Chief Justice of the Illinois Supreme Court; born in Troy
  • Bob Turley, Cy Young Award-winning pitcher for numerous teams

References

  1. ^ a b "2022 U.S. Gazetteer Files: Illinois". United States Census Bureau. Retrieved February 13, 2023.
  2. ^ a b "P1. Race – Troy city, Illinois: 2020 DEC Redistricting Data (PL 94-171)". U.S. Census Bureau. Retrieved February 13, 2023.
  3. ^ a b U.S. Geological Survey Geographic Names Information System: Troy, Illinois
  4. ^ Norton, William T. (1913). Centennial History of Madison County, Illinois, and Its People, 1812 to 1912. The Lewis Publishing Co. p. 560.
  5. ^ Troy, Illinois History and Families 1803-2002. Paducah:Turner. p. 10.{{cite book}}: CS1 maint: publisher location (link)
  6. ^ "Census of Population and Housing". Census.gov. Retrieved June 4, 2015.
  7. ^ a b c "2020 Decennial Census Demographic Profile (DP1)". United States Census Bureau. 2021. Retrieved April 23, 2026.
  8. ^ a b "2020 Decennial Census Redistricting Data (Public Law 94-171)". United States Census Bureau. 2021. Retrieved April 23, 2026.
  9. ^ "2020 Decennial Census Demographic and Housing Characteristics (DHC)". United States Census Bureau. 2023. Retrieved April 23, 2026.
  10. ^ "U.S. Census website". United States Census Bureau. Retrieved January 31, 2008.
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