Census tract · St. Clair County
Census Tract 5039.06, St. Clair County, Illinois
Census Tract 5039.06, GEOID 17163503906, in St. Clair County, Illinois, mostly within Smithton Township (62% of its census blocks). 5,211 residents in the ACS 2020-2024 5-year estimates (±312); the 2020 Census counted 5,295.
Residents, 2020-2024
5,211
±312 (90% margin)
2020 Census count: 5,295
Median household income
$107,321
±$20,527 (90% margin)
St. Clair County: $73,854
Median home value
$248,000
±$19,974 (90% margin)
St. Clair County: $180,300
Median gross rent
$936
±$71 (90% margin)
St. Clair County: $1,090
Where is Census Tract 5039.06?
Census Tract 5039.06 is one of 68 census tracts in St. Clair County, Illinois. It covers 46.09 square miles of land, 115 residents per square mile in 2020. Its GEOID, 17163503906, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Smithton Township | 62% |
| Freeburg Township | 33% |
| Smithton | 30% |
| Freeburg | 16% |
| Belleville | 5% |
6 census tracts border Census Tract 5039.06: Tract 5032.03 ($91,144), Tract 5033.04 ($66,053), Tract 5039.03 ($162,841), Tract 5039.05 ($92,344), Tract 5040.01 ($93,958) and Tract 5040.02 ($78,235). 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 5039.06?
The 2020-2024 American Community Survey puts Census Tract 5039.06's population at 5,211 (±312) in 1,984 households; the 2020 Census counted 5,295 residents and 2,195 housing units.
| Measure | Tract 5039.06 | Smithton Township |
|---|---|---|
| Total population | 5,211 ±312 | 4,102 |
| Households | 1,984 ±131 | 1,560 |
| Average household size | 2.53 ±0.14 | 2.60 |
| Housing units | 2,152 ±156 | 1,687 |
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 5039.06?
The median resident of Census Tract 5039.06 is 44.4 years old; 22.3% are under 18 and 21.7% are 65 or older. The largest group is non-Hispanic white residents at 89.0%, then non-Hispanic residents of two or more races at 6.4%.
| Measure | Tract 5039.06 | Smithton Township |
|---|---|---|
| Median age | 44.4 ±3.0 | 41.6 |
| Under 18 years | 22.3% ±2.4 pts | 25.5% |
| 65 years and over | 21.7% ±3.1 pts | 21.7% |
| Hispanic or Latino (any race) | 1.5% ±1.4 pts | 1.7% |
| White alone, not Hispanic | 89.0% ±4.5 pts | 89.9% |
| Black or African American alone, not Hispanic | 0.7% ±0.6 pts | 0.2% |
| Asian alone, not Hispanic | 2.3% ±1.8 pts | 2.1% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.7 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.7 pts | 0.0% |
| Two or more races, not Hispanic | 6.4% ±3.7 pts | 6.1% |
| Some other race alone, not Hispanic | 0.0% ±0.7 pts | 0.0% |
| Born outside the United States | 3.6% ±2.8 pts | 3.4% |
| Speak a language other than English at home (age 5+) | 3.1% ±2.0 pts | 2.9% |
| Civilian veterans (age 18+) | 10.8% ±3.5 pts | 11.8% |
| With a disability | 10.2% ±3.9 pts | 12.2% |
| No health insurance coverage | 6.2% ±4.0 pts | 2.2% |
| High school graduate or higher (age 25+) | 97.1% ±2.0 pts | 97.6% |
| Bachelor's degree or higher (age 25+) | 33.6% ±7.0 pts | 39.4% |
| Graduate or professional degree (age 25+) | 12.0% ±4.7 pts | 15.6% |
| Lived in the same house a year earlier | 96.7% ±2.0 pts | 94.7% |
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 5039.06 earn?
Half of the 1,984 households in Census Tract 5039.06 earn less than $107,321 a year (±$20,527), against $73,854 across St. Clair County: 10th highest of the county's 64 tracts with a reliable estimate. 5.3% of residents live below the poverty line.
| Measure | Tract 5039.06 | Smithton Township |
|---|---|---|
| Median household income | $107,321 ±$20,527 | $122,778 |
| Mean household income | $120,213 ±$10,653 | $126,008 |
| Per capita income | $46,357 ±$3,928 | $47,669 |
| People below the poverty line | 5.3% ±3.4 pts | 3.6% |
| Children under 18 below the poverty line | 1.9% ±3.2 pts | 2.1% |
| Households receiving SNAP | 8.8% ±5.2 pts | 6.8% |
| Households with a computer | 97.7% ±2.3 pts | 97.1% |
| Households with a broadband subscription | 94.6% ±4.0 pts | 97.0% |
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 5039.06?
Owners occupy 87.4% of Census Tract 5039.06's occupied homes and renters 12.6%. The median owner-occupied home is valued at $248,000 by its owner (±$19,974). The median renter pays $936 a month including utilities.
| Measure | Tract 5039.06 | Smithton Township |
|---|---|---|
| Median home value (owner-occupied) | $248,000 ±$19,974 | $258,800 |
| Median gross rent | $936 ±$71 | $888 |
| Renters paying 35% or more of income on rent | 46.5% ±30.7 pts | 40.0% |
| Median monthly owner costs, with a mortgage | $1,800 ±$117 | $1,973 |
| Owner-occupied homes | 87.4% ±5.3 pts | 92.0% |
| Renter-occupied homes | 12.6% ±5.3 pts | 8.0% |
| Housing units | 2,152 ±156 | 1,687 |
| Single-family detached homes | 86.0% ±5.0 pts | 87.0% |
| Mobile homes | 5.3% ±3.8 pts | 6.8% |
| Built 2020 or later | 1.8% ±2.3 pts | 6.0% |
| Built 2010 to 2019 | 4.6% ±3.7 pts | 5.1% |
| Built 1939 or earlier | 10.9% ±5.9 pts | 10.3% |
| Households with no vehicle | 1.0% ±1.6 pts | 1.2% |
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 5039.06 get to work?
79.2% of Census Tract 5039.06's workers drive alone and 15.8% work from home. The average trip to work takes 25.9 minutes. The unemployment rate in 2020-2024 averaged 7.5%.
| Measure | Tract 5039.06 | Smithton Township |
|---|---|---|
| In the labor force (age 16+) | 61.4% ±5.2 pts | 64.7% |
| Unemployment rate | 7.5% ±3.9 pts | 4.9% |
| Drove alone to work | 79.2% ±5.9 pts | 77.1% |
| Carpooled | 5.1% ±3.7 pts | 6.4% |
| Public transportation | 0.0% ±1.5 pts | 0.0% |
| Walked | 0.0% ±1.5 pts | 0.0% |
| Worked from home | 15.8% ±5.3 pts | 16.5% |
| Mean travel time to work | 25.9 min ±3.4 | 26.3 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 5039.06 compare with the other tracts in St. Clair County?
Among St. Clair County's tracts with a reliable estimate, Census Tract 5039.06 ranks as shown below (1 = highest).
| Measure | In St. Clair County |
|---|---|
| Population | 15th of 68 |
| Residents per square mile | 65th of 68 |
| Median household income | 10th of 64 |
| Per capita income | 13th of 67 |
| Median home value | 13th of 61 |
| Median gross rent | 45th of 60 |
| Poverty rate | 40th of 43 |
| Bachelor's degree or higher | 22nd of 59 |
| Median age | 24th of 66 |
| Owner-occupied share | 11th of 67 |
The tracts next to it on St. Clair County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 5043.51 | 7th | $134,650±$24,652 · within the margin of this tract |
| 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 |
| Tract 5039.08 | 11th | $106,129±$12,832 · within the margin of this tract |
| 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 |
"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 5039.06?
3 of the 18 figures for Census Tract 5039.06 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