Census tract · St. Clair County
Census Tract 5039.08, St. Clair County, Illinois
Census Tract 5039.08, GEOID 17163503908, in St. Clair County, Illinois, mostly within Shiloh Valley Township (81% of its census blocks). 6,774 residents in the ACS 2020-2024 5-year estimates (±522); the 2020 Census counted 6,429.
Residents, 2020-2024
6,774
±522 (90% margin)
2020 Census count: 6,429
Median household income
$106,129
±$12,832 (90% margin)
St. Clair County: $73,854
Median home value
$271,600
±$24,507 (90% margin)
St. Clair County: $180,300
Median gross rent
$1,573
±$124 (90% margin)
St. Clair County: $1,090
Where is Census Tract 5039.08?
Census Tract 5039.08 is one of 68 census tracts in St. Clair County, Illinois. It covers 14.42 square miles of land, 446 residents per square mile in 2020. Its GEOID, 17163503908, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Shiloh Valley Township | 81% |
| Shiloh | 22% |
| Belleville | 17% |
| Scott AFB | 11% |
| O'Fallon | 9% |
| O'Fallon Township | 2% |
9 census tracts border Census Tract 5039.08: Tract 5033.32, Tract 5033.34 ($81,237), Tract 5038 ($168,700), Tract 5039.03 ($162,841), Tract 5039.07 ($89,189), Tract 5043.52 ($79,112), Tract 5043.56 ($115,577), Tract 5043.57 ($84,593) and Tract 5043.58 ($81,856). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 5039.08?
The 2020-2024 American Community Survey puts Census Tract 5039.08's population at 6,774 (±522) in 1,962 households; the 2020 Census counted 6,429 residents and 2,039 housing units.
| Measure | Tract 5039.08 | Shiloh Valley Township |
|---|---|---|
| Total population | 6,774 ±522 | 12,849 |
| Households | 1,962 ±212 | 4,445 |
| Average household size | 3.24 ±0.27 | 2.79 |
| Housing units | 1,979 ±215 | 4,561 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 5039.08?
The median resident of Census Tract 5039.08 is 26.4 years old; 35.8% are under 18 and 3.4% are 65 or older. The largest group is non-Hispanic white residents at 60.8%, then non-Hispanic Black residents at 19.8%.
| Measure | Tract 5039.08 | Shiloh Valley Township |
|---|---|---|
| Median age | 26.4 ±0.8 | 32.7 |
| Under 18 years | 35.8% ±3.1 pts | 30.5% |
| 65 years and over | 3.4% ±1.7 pts | 8.3% |
| Hispanic or Latino (any race) | 11.2% ±4.5 pts | 10.1% |
| White alone, not Hispanic | 60.8% ±8.1 pts | 68.1% |
| Black or African American alone, not Hispanic | 19.8% ±7.6 pts | 14.8% |
| Asian alone, not Hispanic | 0.8% ±0.8 pts | 1.2% |
| American Indian and Alaska Native alone, not Hispanic | 0.4% ±0.7 pts | 0.2% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.6 pts | 0.0% |
| Two or more races, not Hispanic | 6.9% ±4.1 pts | 5.4% |
| Some other race alone, not Hispanic | 0.2% ±0.3 pts | 0.1% |
| Born outside the United States | 2.6% ±2.0 pts | 2.7% |
| Speak a language other than English at home (age 5+) | 5.7% ±3.1 pts | 5.8% |
| Civilian veterans (age 18+) | 15.8% ±5.2 pts | 19.3% |
| With a disability | 9.3% ±3.5 pts | 10.0% |
| No health insurance coverage | 4.8% ±3.0 pts | 5.0% |
| High school graduate or higher (age 25+) | 98.2% ±1.7 pts | 98.0% |
| Bachelor's degree or higher (age 25+) | 41.7% ±7.2 pts | 47.3% |
| Graduate or professional degree (age 25+) | 19.3% ±4.3 pts | 21.7% |
| Lived in the same house a year earlier | 75.6% ±7.3 pts | 80.1% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Census Tract 5039.08 earn?
Half of the 1,962 households in Census Tract 5039.08 earn less than $106,129 a year (±$12,832), against $73,854 across St. Clair County: 11th highest of the county's 64 tracts with a reliable estimate.
| Measure | Tract 5039.08 | Shiloh Valley Township |
|---|---|---|
| Median household income | $106,129 ±$12,832 | $104,772 |
| Mean household income | $110,059 ±$9,824 | $117,975 |
| Per capita income | $34,529 ±$3,068 | $41,588 |
| People below the poverty line | 4.7% ±4.1 pts | 4.8% |
| Children under 18 below the poverty line | 5.8% ±6.5 pts | 6.7% |
| Households receiving SNAP | 11.4% ±6.3 pts | 8.8% |
| Households with a computer | 100.0% ±1.9 pts | 98.2% |
| Households with a broadband subscription | 98.1% ±1.8 pts | 94.5% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Census Tract 5039.08?
Owners occupy 36.0% of Census Tract 5039.08's occupied homes and renters 64.0%. The median owner-occupied home is valued at $271,600 by its owner (±$24,507). The median renter pays $1,573 a month including utilities, and 34.8% of renters pay 35% or more of their income on rent.
| Measure | Tract 5039.08 | Shiloh Valley Township |
|---|---|---|
| Median home value (owner-occupied) | $271,600 ±$24,507 | $271,300 |
| Median gross rent | $1,573 ±$124 | $1,508 |
| Renters paying 35% or more of income on rent | 34.8% ±10.1 pts | 23.7% |
| Median monthly owner costs, with a mortgage | $1,974 ±$301 | $2,017 |
| Owner-occupied homes | 36.0% ±8.0 pts | 47.3% |
| Renter-occupied homes | 64.0% ±8.0 pts | 52.7% |
| Housing units | 1,979 ±215 | 4,561 |
| Single-family detached homes | 41.4% ±5.8 pts | 53.3% |
| Mobile homes | 0.0% ±1.9 pts | 4.2% |
| Built 2020 or later | 8.3% ±4.8 pts | 4.1% |
| Built 2010 to 2019 | 26.3% ±6.4 pts | 14.2% |
| Built 1939 or earlier | 1.9% ±1.6 pts | 3.5% |
| Households with no vehicle | 1.1% ±1.0 pts | 3.7% |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How do people in Census Tract 5039.08 get to work?
78.4% of Census Tract 5039.08's workers drive alone and 11.2% work from home. The average trip to work takes 16.1 minutes.
| Measure | Tract 5039.08 | Shiloh Valley Township |
|---|---|---|
| In the labor force (age 16+) | 77.3% ±4.7 pts | 74.1% |
| Unemployment rate | 1.1% ±1.3 pts | 1.5% |
| Drove alone to work | 78.4% ±5.8 pts | 78.7% |
| Carpooled | 4.0% ±2.8 pts | 5.5% |
| Public transportation | 0.5% ±0.8 pts | 0.4% |
| Walked | 5.7% ±3.9 pts | 3.9% |
| Worked from home | 11.2% ±5.6 pts | 10.7% |
| Mean travel time to work | 16.1 min ±2.1 | 19.0 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
How does Census Tract 5039.08 compare with the other tracts in St. Clair County?
Among St. Clair County's tracts with a reliable estimate, Census Tract 5039.08 ranks as shown below (1 = highest).
| Measure | In St. Clair County |
|---|---|
| Population | 4th of 68 |
| Residents per square mile | 54th of 68 |
| Median household income | 11th of 64 |
| Per capita income | 36th of 67 |
| Median home value | 7th of 61 |
| Median gross rent | 4th of 60 |
| Bachelor's degree or higher | 13th of 59 |
| Median age | 65th of 66 |
| Owner-occupied share | 65th of 67 |
The tracts next to it on St. Clair County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 5043.56 | 8th | $115,577±$21,855 · within the margin of this tract |
| Tract 5031.01 | 9th | $112,740±$25,593 · within the margin of this tract |
| Tract 5039.06 | 10th | $107,321±$20,527 · within the margin of this tract |
| Tract 5039.08 | 11th | $106,129±$12,832 |
| Tract 5040.01 | 12th | $93,958±$19,146 · within the margin of this tract |
| Tract 5039.05 | 13th | $92,344±$22,669 · within the margin of this tract |
| Tract 5033.22 | 14th | $91,765±$19,061 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 5039.08?
2 of the 18 figures for Census Tract 5039.08 on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections